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1 Oracle RAC 12cR1 1 Ricardo Portilho Proni [email protected] Esta obra está licenciada sob a licença Creative Commons Atribuição-SemDerivados 3.0 Brasil. Para ver uma cópia desta licença, visite http://creativecommons.org/licenses/by-nd/3.0/br/.
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Page 1: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

1

Oracle RAC 12cR1

1

Ricardo Portilho [email protected]

Esta obra está licenciada sob a licençaCreative Commons Atribuição-SemDerivados 3.0 Brasil.

Para ver uma cópia desta licença, visite http://creativecommons.org/licenses/by-nd/3.0/br/.

Page 2: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Oracle RAC: Conceitos

2

Page 3: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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● Disponibilidade● Escalabilidade● Custo Total de Propriedade (TCO)

3

Por que usar o RAC?

Page 4: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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● Custo de Equipamentos● Custo de Licenças● Custo de Conhecimento● Complexidade● Escalabilidade

4

Por que não usar o RAC?

Page 5: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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● 1 Database x N Instances• + Background Processes• + daemons• OCR• Voting Disk

5

Oracle RAC x Single Instance

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Oracle 6.0.35: VAX / VMSOracle 7: PCMOracle 8i: Cache Fusion IOracle 9i: Cache Fusion II, Oracle Cluster Management ServicesOracle 10gR1:• Oracle Cluster Management Services => Cluster Ready Services (CRS)• ASM - Automatic Storage management• FAN - Fast Application Notification• Integração com Database Services• AWR, ADDM, ASH, Scheduler, Enterprise ManagerOracle 10gR2: CRS => Oracle Clusterware. New Features incluem: cluvfy, asmcmd.Oracle 11gR1: Apenas 7 New Features.Oracle 11gR2: CRS => Grid Infrastrucutre. 32 New Features.Oracle 12cR1: 33 New Features.

6

Evolução Oracle RAC

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● Enhanced Oracle RAC Monitoring and Diagnostics in Enterprise Manager● Enhanced Oracle Real Application Clusters Configuration Assistants● OCI Runtime Connection Load Balancing● Parallel Execution for Oracle Real Application Clusters● Support for Distributed Transactions in an Oracle RAC Environment● Enhanced Oracle RAC Switchover Support for Logical Standby Databases● Enhanced Oracle RAC Monitoring and Diagnostics in Enterprise Manager

7

RAC 11gR1 New Features

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● Configuration Assistants Support New Oracle RAC Features● Enhanced Cluster Verification Utility● Integration of Cluster Verification Utility and Oracle Universal Installer● Cluster Time Service● Oracle Cluster Registry (OCR) Enhancements● Grid Plug and Play (GPnP)● Oracle Restart● Policy-Based Cluster and Capacity Management● Improved Clusterware Resource Modeling● Role-Separated Management● Agent Development Framework● Zero Downtime Patching for Oracle Clusterware and Oracle RAC● Enterprise Manager-Based Clusterware Resource Management● Enterprise Manager Provisioning for Oracle Clusterware and Oracle Real Application Clusters● Enterprise Manager Support for Grid Plug and Play● Enterprise Manager Support for Oracle Restart● Configuration Assistant Support for Removing Oracle RAC Installations

8

RAC 11gR2 New Features

Page 9: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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● Oracle Universal Installer Support for Removing Oracle RAC Installations● Improved Deinstallation Support With Oracle Universal Installer● Downgrading Database Configured With DBControl● Oracle Restart Integration with Oracle Universal Installer● Out-of-Place Oracle Clusterware Upgrade● OUI Support for Out-of-Place Oracle Clusterware Upgrade● Server Control (SRVCTL) Enhancements● Server Control (SRVCTL) Enhancements to Support Grid Plug and Play● SRVCTL Support for Single-Instance Database in a Cluster● Universal Connection Pool (UCP) Integration with Oracle Data Guard● UCP Integration With Oracle Real Application Clusters● Universal Connection Pool (UCP) for JDBC● Java API for Oracle RAC FAN High Availability Events● EMCA Supports New Oracle RAC Configuration for Enterprise Manager● Global Oracle RAC ASH Report + ADDM Backwards Compatibility

9

RAC 11gR2 New Features

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RAC 12cR1 New Features

● Oracle Flex Cluster● SRVCTL Support for Oracle Flex Cluster Implementations● Policy-Based Cluster Management and Administration● What-If Command Evaluation● Shared Grid Naming Service (GNS)● Online Resource Attribute Modification● Grid Infrastructure Script Automation for Installation and Upgrade● Multipurpose Cluster Installation Support● Support for IPv6 Based IP Addresses for Oracle RAC Client Connectivity● Message Forwarding on Oracle RAC● Sharded Queues for Performance and Scalability● Oracle Grid Infrastructure Rolling Migration for One-Off Patches

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RAC 12cR1 New Features● Oracle Flex ASM● Oracle ASM Shared Password File in a Disk Group● Oracle ASM Rebalance Enhancements● Oracle ASM Disk Resync Enhancements● Oracle ASM chown, chgrp, chmod and Open Files Support● Oracle ASM Support ALTER DISKGROUP REPLACE USER● Oracle ASM File Access Control on Windows● Oracle ASM Disk Scrubbing● Oracle Cluster Registry Backup in ASM Disk Group Support● Enterprise Manager Support for Oracle ASM Features● Oracle ACFS Support for All Oracle Database Files● Oracle ACFS and Highly Available NFS● Oracle ACFS Snapshots Enhancements● Oracle ACFS Replication Integration with Oracle ACFS Security and Encryption● Oracle ACFS Security and Encryption Features● Oracle ACFS File Tags for Grid Homes● Oracle ACFS Plug-in APIs● Oracle ACFS Replication and Tagging on AIX● Oracle ACFS Replication and Tagging on Solaris● Oracle Audit Vault Support for Oracle ACFS Security and Encryption● Enterprise Manager Support for Oracle ACFS New Features

Page 12: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Hardware

12

Page 13: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Hardware

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Sistema Operacional

14

Page 15: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Linux x64● Oracle Linux 7 / Red Hat Enterprise Linux 7● Oracle Linux 6 / Red Hat Enterprise Linux 6● Oracle Linux 5 / Red Hat Enterprise Linux 5● SUSE Linux Enterprise Server 11

Linux on System z● Red Hat Enterprise Linux 6 ● Red Hat Enterprise Linux 5● SUSE 11

Unix● Oracle Solaris 11 (SPARC) / Oracle Solaris 10 (SPARC)● Oracle Solaris 11 (x64) / Oracle Solaris 10 (x64)● HP-UX 11iV3● AIX 7.1 / AIX 6.1

Windows (x64)• Windows Server 2008 SP2 - Standard, Enterprise, DataCenter, Web.• Windows Server 2008 R2 - Foundation, Standard, Enterprise, DataCenter, Web.• Windows Server 2012 - Standard, Datacenter, Essentials, Foundation.• Windows Server 2012 R2 - Standard, Datacenter, Essentials, Foundation

15

Sistemas Operacionais homologados

Page 16: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 1 – Instalação OEL 6

Hands On !

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Lab 1.1: Instalação OEL 6

Nas máquinas nerv01 e nerv02, instale o OEL.

- 1a tela: Install or upgrade an existing system - 2a tela: Skip - 3a tela: Next - 4a tela: English (English), Next - 5a tela: Brazilian ABNT2, Next - 6a tela: Basic Storage Devices, Next - 7a tela: Fresh Installation, Next - 8a tela: nerv01.localdomain, Next - 9a tela: America/Sao Paulo, Next - 10a tela: Nerv2017, Nerv2017, Next - 11a tela: Create Custom Layout, Next

Page 18: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 1.2: Instalação OEL 6

18

- 12a tela: Crie as partições como abaixo, e em seguida, Next:sda1 1024 MB /bootsda2 100000 MB /sda3 20000 MB /homesda5 16384 MB swapsda6 10000 MB /varsda7 10000 MB /tmpsda8 Espaço restante /u01

- 13a tela: Format- 14a tela: Write changes to disk- 15a tela: Next- 16a tela: Desktop- 17a tela: Reboot- Retire o DVD.- Após o Boot: “Forward”, “Yes, I agree to the License Agrrement”, “Forward”, “No, I prefer to register at a later time”, “Forward” “No thanks, I'll connect later”, “Forward”, “Forward”, “Yes”, “Forward”, “Finish”, “Yes”, “OK”.

Page 19: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 2 – Configuração DNS

Hands On !

19

Page 20: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 2.1: Instalação OEL 6

Na máquina nerv09, instale os pacotes necessários para o DNS.# yum -y install bind bind-utils

Na máquina nerv09, deixe APENAS as seguintes linhas no arquivo /etc/named.conf.options { listen-on port 53 { 127.0.0.1; 192.168.15.201; }; directory "/var/named"; dump-file "/var/named/data/cache_dump.db"; statistics-file "/var/named/data/named_stats.txt"; // query-source address * port 53;};

zone "." in {type hint;file "/dev/null";};

zone "localdomain." IN { type master; file "localdomain.zone"; allow-update { none; };};

Page 21: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 2.2: Instalação OEL 6

Nas máquinas nerv09, deixe APENAS as seguintes linhas no arquivo /var/named/localdomain.zone.

$TTL 86400@ IN SOA localhost root.localhost ( 42 ; serial (d. adams) 3H ; refresh 15M ; retry 1W ; expiry 1D ) ; minimum IN NS localhostlocalhost IN A 127.0.0.1nerv01 IN A 192.168.15.101nerv02 IN A 192.168.15.102nerv01-vip IN A 192.168.15.111nerv02-vip IN A 192.168.15.112rac01-scan IN A 192.168.15.151rac01-scan IN A 192.168.15.152rac01-scan IN A 192.168.15.153

Page 22: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 2.3: Instalação OEL 6

Na máquina nerv09, deixe APENAS as seguintes linhas no arquivo /var/named/15.168.192.in-addr.arpa.

$ORIGIN 0.168.192.in-addr.arpa.$TTL 1H@ IN SOA nerv09.localdomain. root.nerv09.localdomain. (

2 3H 1H 1W 1H )0.168.192.in-addr.arpa. IN NS nerv09.localdomain.

101 IN PTR nerv01.localdomain.102 IN PTR nerv02.localdomain.111 IN PTR nerv01-vip.localdomain.112 IN PTR nerv02-vip.localdomain.151 IN PTR rac01-scan.localdomain.152 IN PTR rac01-scan.localdomain.153 IN PTR rac01-scan.localdomain.

Page 23: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 2.4: Instalação OEL 6

Na máquina nerv09, inicie o DNS Server, e o habilite para o início automático.# service named start# chkconfig named on

Na máquina nerv09, pare o firewall, e o desabilite para o início automático.# service iptables stop# service ip6tables stop# chkconfig iptables off# chkconfig ip6tables off

Page 24: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 3 – Configuração OEL 6

Hands On !

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Page 25: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Nas máquinas nerv01 e nerv02, configure as placas de rede pública e privada.

25

Lab 3.1 – Configuração OEL 6

Page 26: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Nas máquinas nerv01 e nerv02, atualize o sistema operacional e execute a instalação dos pré-requisitos.# service network restart# yum -y update# yum -y install oracle-rdbms-server-12cR1-preinstall# yum -y install oracleasm-support# yum -y install unzip wget iscsi-initiator-utils java-1.8.0-openjdk parted# yum -y install unixODBC unixODBC.i686 unixODBC-devel unixODBC-devel.i686

# wget http://download.oracle.com/otn_software/asmlib/oracleasmlib-2.0.4-1.el6.x86_64.rpm# rpm -ivh oracleasmlib-2.0.4-1.el6.x86_64.rpm

Nas máquinas nerv01 e nerv02, remova o DNS 8.8.8.8 da placa de rede eth0.

Nas máquinas nerv01 e nerv02, altere a seguinte linha no arquivo /etc/fstab.tmpfs /dev/shm tmpfs defaults,size=4g 0 0

26

Lab 3.2 – Configuração OEL 6

Page 27: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Nas máquinas nerv01 e nerv02, ACRESCENTAR ao arquivo /etc/hosts:# Public192.168.15.101 nerv01.localdomain nerv01192.168.15.102 nerv02.localdomain nerv02# Private192.168.1.101 nerv01-priv.localdomain nerv01-priv192.168.1.102 nerv02-priv.localdomain nerv02-priv# Virtual192.168.15.111 nerv01-vip.localdomain nerv01-vip192.168.15.112 nerv02-vip.localdomain nerv02-vip# Storage192.168.15.201 nerv09.localdomain nerv09

27

Lab 3.3 – Configuração OEL 6

Page 28: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Nas máquinas nerv01 e nerv02, executar os comandos abaixo.# groupadd oper# groupadd asmadmin# groupadd asmdba# groupadd asmoper# usermod -g oinstall -G dba,oper,asmadmin,asmdba,asmoper oracle# mkdir -p /u01/app/12.1.0.2/grid# mkdir -p /u01/app/oracle/product/12.1.0.2/db_1# chown -R oracle:oinstall /u01# chmod -R 775 /u01# passwd oracle (Coloque como senha do usuário oracle: Nerv2017)

28

Lab 3.4 – Configuração OEL 6

Page 29: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Nas máquinas nerv01 e nerv02, altere o SELinux de “enforcing” para “permissive”.# vi /etc/selinux/config

Nas máquinas nerv01 e nerv02, desabilite o firewall.# chkconfig iptables off# chkconfig ip6tables off

Nas máquinas nerv01 e nerv02, desabilite o NTP.# mv /etc/ntp.conf /etc/ntp.conf.org# reboot

29

Lab 3.5 – Configuração OEL 6

Page 30: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Nas máquinas nerv01 e nerv02 , com o usuário oracle, ACRESCENTAR NO FINAL do arquivo /home/oracle/.bash_profile as linhas abaixo.export TMP=/tmpexport TMPDIR=$TMPexport ORACLE_HOSTNAME=nerv01.localdomainexport ORACLE_UNQNAME=ORCLexport ORACLE_BASE=/u01/app/oracleexport ORACLE_HOME=$ORACLE_BASE/product/12.1.0.2/db_1export GRID_HOME=/u01/app/12.1.0.2/gridexport CRS_HOME=$GRID_HOMEexport ORACLE_SID=ORCL1export ORACLE_TERM=xtermexport PATH=/usr/sbin:$PATHexport PATH=$ORACLE_HOME/bin:$PATHexport LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/libexport CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlibif [ $USER = "oracle" ]; then if [ $SHELL = "/bin/ksh" ]; then ulimit -p 16384 ulimit -n 65536 else ulimit -u 16384 -n 65536 fifi

30

Lab 3.6 – Configuração OEL 6

Page 31: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Shared Storage

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Page 32: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Opções de Shared Storage

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Opções de Shared Storage

Page 34: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 4 – Storage

Hands On !

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Lab 4.1 – StorageNa máquinas nerv09, crie 3 partições de 5GB, e 4 de 10GB.

Na máquina nerv09, configure o iSCSI server.# yum -y install scsi-target-utils# cat /etc/tgt/targets.conf<target iqn.2010-10.com.nervinformatica:storage.asm01-01> backing-store /dev/sda5 initiator-address 192.168.15.101 initiator-address 192.168.15.102</target><target iqn.2010-10.com.nervinformatica:storage.asm01-02> backing-store /dev/sda6 initiator-address 192.168.15.101 initiator-address 192.168.15.102</target>...

# service tgtd start# chkconfig tgtd on

Page 36: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 4.2 – Storage (ASM)

Nas máquinas nerv01 e nerv02, ative o pacote iSCSI Initiator.# chkconfig iscsid on

Nas máquinas nerv01 e nerv02, verifique os Discos exportados no Storage.# iscsiadm -m discovery -t sendtargets -p 192.168.15.201 -l

Nas máquinas nerv01 e nerv02, deixe APENAS os novos discos no arquivo /etc/iscsi/initiatorname.iscsi.InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-01InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-02InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-03InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-04InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-05InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-06InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-07

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Lab 4.3 – Storage (ASM)

Nas máquinas nerv01 e nerv02 verifique se os discos foram configurados localmente.# fdisk -l

Na máquina nerv01, particione os novos discos.# fdisk /dev/sdbn <enter>p <enter>1 <enter><enter><enter>w <enter>

# fdisk /dev/sdcn <enter>p <enter>1 <enter><enter><enter>w <enter>...

Page 38: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 4.4 – Storage (ASM)

Na máquina nerv02, execute a detecção dos novos discos.# partprobe /dev/sdb# partprobe /dev/sdc# partprobe /dev/sdd# partprobe /dev/sde# partprobe /dev/sdf# partprobe /dev/sdg# partprobe /dev/sdh

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Nas máquinas nerv01 e nerv02, configure a ASMLib.# /etc/init.d/oracleasm configureoracle <enter>asmadmin <enter>y <enter>y <enter># /etc/init.d/oracleasm status

Na máquina nerv01, crie os discos do ASM.# /etc/init.d/oracleasm createdisk DISK01 /dev/sdb1# /etc/init.d/oracleasm createdisk DISK02 /dev/sdc1# /etc/init.d/oracleasm createdisk DISK03 /dev/sdd1# /etc/init.d/oracleasm createdisk DISK04 /dev/sde1# /etc/init.d/oracleasm createdisk DISK05 /dev/sdf1# /etc/init.d/oracleasm createdisk DISK06 /dev/sdg1# /etc/init.d/oracleasm createdisk DISK07 /dev/sdh1

Na máquina nerv02, execute a detecção dos discos criados.# /etc/init.d/oracleasm scandisks

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Lab 4.5 – Storage (ASM)

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Nas máquinas nerv01 e nerv02, verifique se os discos estão corretos.# /etc/init.d/oracleasm listdisks# /etc/init.d/oracleasm querydisk -v -p DISK01# /etc/init.d/oracleasm querydisk -v -p DISK02# /etc/init.d/oracleasm querydisk -v -p DISK03# /etc/init.d/oracleasm querydisk -v -p DISK04# /etc/init.d/oracleasm querydisk -v -p DISK05# /etc/init.d/oracleasm querydisk -v -p DISK06# /etc/init.d/oracleasm querydisk -v -p DISK07

Nas máquinas nerv01 e nerv02, verifique se os discos estão corretos.# ls -lh /dev/oracleasm/disks/brw-rw----. 1 oracle asmadmin 8, 17 Jan 2 13:01 DISK01brw-rw----. 1 oracle asmadmin 8, 33 Jan 2 13:01 DISK02brw-rw----. 1 oracle asmadmin 8, 49 Jan 2 13:01 DISK03brw-rw----. 1 oracle asmadmin 8, 65 Jan 2 13:01 DISK04brw-rw----. 1 oracle asmadmin 8, 81 Jan 2 13:01 DISK05brw-rw----. 1 oracle asmadmin 8, 97 Jan 2 13:01 DISK06brw-rw----. 1 oracle asmadmin 8, 113 Jan 2 13:01 DISK07

40

Lab 4.6 – Storage (ASM)

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Oracle Grid Infrastructure

41

Page 42: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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- Oracle Cluster Registry- Voting Disk (Quorum Disk)- Grid Infrastructure Management Repository (MGMTDB)- VIPs e SCAN- Utilitários: crsctl, srvctl - Daemons: ohasd, crsd, evmd, ons, evmlogger, ologgerd, cssdmonitor, cssdagent, ocssd, octssd, osysmond, mdnsd, gpnpd, gipcd, orarootagent, oraagent, scriptagent

42

Componentes

Page 43: Oracle RAC 12cR1 - Nervnervinformatica.com.br/Downloads/Materiais/ORAC-12c.pdf · ... Automatic Storage management ... Policy-Based Cluster Management and Administration ... Oracle

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Lab 5 - Grid Infraestructure

Hands On !

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44

Na máquina nerv01, com o usuário oracle, descompacte e execute o instalador do Grid Infrastructure.$ cd /home/oracle$ unzip -q linuxamd64_12102_grid_1of2.zip$ unzip -q linuxamd64_12102_grid_2of2.zip

Nas máquinas nerv01 e nerv02, instale o Cluster Verification Utility.# rpm -ivh /home/oracle/grid/rpm/cvuqdisk-1.0.9-1.rpm

Na máquina nerv01, inicie a instalação do Grid Infrastructure.$ cd grid$ ./runInstaller

44

Lab 5.1 – Grid Infrastructure

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4545

Lab 5.2 – Grid Infrastructure

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4646

Lab 5.3 – Grid Infrastructure

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4747

Lab 5.4 – Grid Infrastructure

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4848

Lab 5.5 – Grid Infrastructure

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4949

Lab 5.6 – Grid Infrastructure

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5050

Lab 5.7 – Grid Infrastructure

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5151

Lab 5.8 – Grid Infrastructure

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5252

Lab 5.9 – Grid Infrastructure

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5353

Lab 5.10 – Grid Infrastructure

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5454

Lab 5.11 – Grid Infrastructure

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5555

Lab 5.12 – Grid Infrastructure

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5656

Lab 5.13 – Grid Infrastructure

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5757

Lab 5.14 – Grid Infrastructure

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5858

Lab 5.15 – Grid Infrastructure

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5959

Lab 5.16 – Grid Infrastructure

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6060

Lab 5.17 – Grid Infrastructure

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6161

Lab 5.18 – Grid Infrastructure

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6262

Lab 5.19 – Grid Infrastructure

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6363

Lab 5.20 – Grid Infrastructure

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6464

Lab 5.21 – Grid Infrastructure

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6565

Lab 5.22 – Grid Infrastructure

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6666

Lab 5.23 – Grid Infrastructure

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6767

Lab 5.24 – Grid Infrastructure

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6868

Lab 5.26 – Grid Infrastructure

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6969

Lab 5.27 – Grid Infrastructure

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7070

Lab 5.28 – Grid Infrastructure

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7171

Lab 5.29 – Grid Infrastructure

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7272

Lab 5.30 – Grid Infrastructure

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7373

Lab 5.31 – Grid Infrastructure

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74

Lab 6 – Oracle Database Software

Hands On !

74

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75

Na máquina nerv01, com o usuário oracle, descompacte e execute o instalador do Oracle Database Software.$ cd /home/oracle$ unzip -q linuxamd64_12102_database_1of2.zip$ unzip -q linuxamd64_12102_database_2of2.zip$ cd database$ ./runInstaller

75

Lab 6.1 – Oracle Database Software

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7676

Lab 6.2 – Oracle Database Software

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7777

Lab 6.3 – Oracle Database Software

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7878

Lab 6.4 – Oracle Database Software

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7979

Lab 6.5 – Oracle Database Software

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8080

Lab 6.6 – Oracle Database Software

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8181

Lab 6.7 – Oracle Database Software

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8282

Lab 6.8 – Oracle Database Software

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8383

Lab 6.9 – Oracle Database Software

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8484

Lab 6.10 – Oracle Database Software

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8585

Lab 6.11 – Oracle Database Software

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8686

Lab 6.12 – Oracle Database Software

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8787

Lab 6.13 – Oracle Database Software

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8888

Lab 6.14 – Oracle Database Software

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8989

Lab 6.17 – Oracle Database Software

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9090

Lab 6.18 – Oracle Database Software

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91

Oracle Database

91

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92

✔ Background Process• ACMS: Atomic Controlfile to Memory Service• GTX0-j: Global Transaction Process• LMON: Global Enqueue Service Monitor• LMD: Global Enqueue Service Daemon• LMS: Global Cache Service Process• LCK0: Instance Enqueue Process• RMSn: Oracle RAC Management Processes• RSMN: Remote Slave Monitor

✔ PFILE / SPFILE (1x)✔ Control Files (1x)✔ Online Redo Log Threads (x Nodes)✔ UNDO Tablespaces / Datafiles (x Nodes)✔ Datafiles (1x)

92

RAC Database

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9393

Lab 7.1 – Oracle Database

Para efetuar logon na Instance ASM1, use o SQLPlus.$ export ORACLE_HOME=$GRID_HOME$ export ORACLE_SID=+ASM1$ sqlplus / AS SYSASMSQL> CREATE DISKGROUP DATA NORMAL REDUNDANCY DISK 'ORCL:DISK04', 'ORCL:DISK05';SQL> CREATE DISKGROUP FRA NORMAL REDUNDANCY DISK 'ORCL:DISK06', 'ORCL:DISK07';SQL> ALTER DISKGROUP DATA SET ATTRIBUTE 'compatible.asm' = '12.1.0.0.0';SQL> ALTER DISKGROUP FRA SET ATTRIBUTE 'compatible.asm' = '12.1.0.0.0';SQL> ALTER DISKGROUP DATA SET ATTRIBUTE 'compatible.rdbms' = '12.1.0.0.0';SQL> ALTER DISKGROUP FRA SET ATTRIBUTE 'compatible.rdbms' = '12.1.0.0.0';$ srvctl start diskgroup -g DATA -n nerv02$ srvctl enable diskgroup -g DATA -n nerv02$ srvctl start diskgroup -g FRA -n nerv02$ srvctl enable diskgroup -g FRA -n nerv02

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9494

Lab 7.2 – Oracle Database

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9595

Lab 7.3 – Oracle Database

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9696

Lab 7.4 – Oracle Database

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9797

Lab 7.5 – Oracle Database

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9898

Lab 7.6 – Oracle Database

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9999

Lab 7.7 – Oracle Database

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100100

Lab 7.8 – Oracle Database

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101101

Lab 7.9 – Oracle Database

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102102

Lab 7.10 – Oracle Database

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103103

Lab 7.11 – Oracle Database

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104104

Lab 7.12 – Oracle Database

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105105

Lab 7.13 – Oracle Database

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106106

Lab 7.14 – Oracle Database

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107107

Lab 7.15 – Oracle Database

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108108

Lab 7.16 – Oracle Database

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109109

Lab 7.17 – Oracle DatabasePara efetuar logon na Instance ASM1, use o SQLPlus.$ export ORACLE_SID=+ASM1$ sqlplus / as SYSDBAPor que não funcionou?

Verifique os discos existentes, e espaço disponível.SQL> SELECT NAME, TOTAL_MB, FREE_MB, HOT_USED_MB, COLD_USED_MB FROM V$ASM_DISK;SQL> SELECT NAME, TOTAL_MB, FREE_MB, HOT_USED_MB, COLD_USED_MB FROM V$ASM_DISKGROUP;

Crie uma TABLESPACE no ASM.SQL> CREATE TABLESPACE nerv DATAFILE '+DATA';Deve ser feito na Instance ASM ou na Instance Database?

Verifique o novo DATAFILE criado, e os já existentes.SQL> SELECT FILE_NAME, BYTES, MAXBYTES, AUTOEXTENSIBLE, INCREMENT_BY FROM DBA_DATA_FILES;

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110110

Lab 7.18 – Oracle Database

Execute o asmcmd, e navegue pelos diretórios do Disk Group.$ asmcmd -pASMCMD [+] > helpASMCMD [+] > lsdg

Pelo asmcmd, copie um DATAFILE do ASM para o /home/oracle de uma máquina do RAC.

Execute um Backup do Banco de Dados.$ rman target /RMAN> BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT;Por que não funcionou?

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111

Administração

111

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112112

Comandos depreciados no 11gR2

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113113

Comandos depreciados no 11gR2

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114114

Comandos depreciados no 11gR2

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115115

Comandos depreciados no 11gR2

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116116

Comandos depreciados no 11gR2

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117117

Comandos depreciados no 12cR1

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118118

Comandos depreciados no 12cR1

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119119

Comandos depreciados no 12cR1

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120120

Dificuldades

● $GRID_HOME x $ORACLE_HOME● oracle X root

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121121

Binários do GRID_HOME

Adicionar $GRID_HOME/bin no $PATH, no .bash_profile$ crsctl status res -t

OU

$ . oraenvORACLE_SID = [ORCL1] ? +ASM1 <enter>

OU

$ cd /u01/app/12.1.0.2/grid/bin/./crsctl status res -t

OU

$ /u01/app/12.1.0.2/grid/bin/crsctl status res -t

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122

Daemons

122

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123123

Daemons

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124124

Daemons

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125125

Daemons

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126126

Cluster Startup

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127127

11gR2$GRID_HOME/log/<node>/$GRID_HOME/log/<node>/alert<node>.log

12cR1$ORACLE_BASE/diag/crs/<node>/crs$ORACLE_BASE/diag/crs/<node>/crs/trace/alert.log

Logs

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128

LAB 8 – Daemons

Hands On !

128

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129

Acompanhe a execução dos daemons via top.

Desligue a máquina nerv01.Veja o que acontece no Alert Log do nerv02 enquanto o nerv01 é desligado.$ tail -f /u01/app/oracle/diag/crs/nerv02/crs/trace/alert.log

Ligue a máquina nerv01.Veja o que acontece no Alert Log do nerv02 enquanto o nerv01 é ligado.$ tail -f /u01/app/oracle/diag/crs/nerv02/crs/trace/alert.log

Familiarize-se com o diretório de Logs.

Verifique o estado dos recursos.$ /u01/app/12.1.0.2/grid/bin/crsctl status res -t

129

Lab 8.1 – Daemons

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130

Continue acompanhando os Alert Logs das duas máquinas.

Desconecte o cabo da rede do Interconnect, apenas de um nó.O que aconteceu?

Desconecte o cabo da rede do Storage, apenas de um nó.O que aconteceu?

Verifique e altere parâmetros de timeout para o mínimo possível.# /u01/app/12.1.0.2/grid/bin/crsctl get css reboottime# /u01/app/12.1.0.2/grid/bin/crsctl get css misscount# /u01/app/12.1.0.2/grid/bin/crsctl get css disktimeout# /u01/app/12.1.0.2/grid/bin/crsctl set css reboottime 1# /u01/app/12.1.0.2/grid/bin/crsctl set css misscount 2# /u01/app/12.1.0.2/grid/bin/crsctl set css disktimeout 3

Lab 8.2 – Daemons

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131

Teste de Carga

131

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132

Tipos● TPC-C: OLTP (Rede Varejista)● TPC-E: OLTP (Telefonia)● TPC-H: Data Warehouse

Ferramentas● Hammerora● Swingbench

132

Teste de Carga

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133133

Teste de Carga

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134

LAB 9 – Teste de Carga

Hands On !

134

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135

Copie o swingbench para a máquina nerv01, como usuário oracle.

Crie uma TABLESPACE com o nome SOE.

Descompacte o swingbench.zip.$ cd /home/oracle$ unzip -q swingbench261040.zip$ cd swingbench/bin

Execute a criação do SCHEMA do teste de carga:$ ./oewizard

Execute o teste de carga:$ ./charbench -cs //rac01-scan/ORCL -uc 10 -c ../configs/SOE_Server_Side_V2.xml

Lab 9.1 – Teste de Carga

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srvctl

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● A partir de qualquer Node, controla todos.● Deve ser utilizado com o usuário oracle ou com o owner do GRID_HOME.● Deve ser utilizado o srvctl do GRID_HOME.● Comando preferencial para iniciar e parar recursos do RAC.● Administra Database, Instances, ASM, Listeners e Services.● Um recurso pode ser iniciado, parado, habilitado, ou desabilitado.

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srvctl

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LAB 10 – srvctl

Hands On !

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● Execute srvctl -h e entenda as opções.● Pare o Listener de apenas um Node.● Pare a Instance de apenas um Node.● Inicie novamente o Listener que está parado.● Inicie novamente a Instance que está parada.● Pare o Database, e o inicie novamente.● Pare uma Intance com a opção ABORT.● Inicie uma Instance com a opção MOUNT.● Mate uma Instance (kill no pmon) de um dos nós, e veja o que acontece.

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Lab 10.1 – srvctl

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Coloque o banco em modo ARCHIVELOG e execute um backup.

$ srvctl stop database -d ORCL$ srvctl start instance -d ORCL -i ORCL1 -o mountSQL> ALTER DATABASE ARCHIVELOG;SQL> ALTER SYSTEM SET db_recovery_file_dest='+FRA';SQL> ALTER SYSTEM SET db_recovery_file_dest_size=10G;SQL> ALTER DATABASE OPEN;$ srvctl start instance -d ORCL -i ORCL2

RMAN> BACKUP DATABASE;

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Lab 10.2 – srvctl

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crsctl

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● A partir de qualquer Node, controla todos.● Deve ser utilizado com o usuário root.● Deve ser utilizado do GRID_HOME.● Principal comando de administração do Grid.● Um recurso pode ser iniciado, parado, habilitado, ou desabilitado.● Necessário para verificação e alteração de parâmetros.● Necessário para Troubleshooting e Debug.

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crsctl

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LAB 11 – crsctl

Hands On !

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Verifique as opções do crsctl, digitando “crsctl”, sem opções.Verifique o status dos Daemons:# /u01/app/12.1.0.2/grid/bin/crsctl check css# /u01/app/12.1.0.2/grid/bin/crsctl check evm# /u01/app/12.1.0.2/grid/bin/crsctl check crs# /u01/app/12.1.0.2/grid/bin/crsctl check ctss# /u01/app/12.1.0.2/grid/bin/crsctl check cluster# /u01/app/12.1.0.2/grid/bin/crsctl check cluster -all

Verifique a versão instalada e ativa.# /u01/app/12.1.0.2/grid/bin/crsctl query crs activeversion# /u01/app/12.1.0.2/grid/bin/crsctl query crs softwareversion# /u01/app/12.1.0.2/grid/bin/crsctl query crs releasepatch# /u01/app/12.1.0.2/grid/bin/crsctl query crs softwarepatch

Liste todos os parâmetros de um recurso.# /u01/app/12.1.0.2/grid/bin/crsctl status res ora.orcl.db -f$ srvctl modify database -db ORCL -startoption OPEN$ srvctl modify database -db ORCL -stopoption ABORT

Lab 11.1 – crsctl

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Liste os módulos do Cluster.# /u01/app/12.1.0.2/grid/bin/crsctl lsmodules crs# /u01/app/12.1.0.2/grid/bin/crsctl lsmodules css# /u01/app/12.1.0.2/grid/bin/crsctl lsmodules evm

Coloque um dos módulos informados pelo comando anterior (lsmodules), e coloque ele em modo Debug.# tail -f /u01/app/oracle/diag/crs/nerv01/crs/trace/ocssd.trc# /u01/app/12.1.0.2/grid/bin/crsctl set log css “CSSD:5”# /u01/app/12.1.0.2/grid/bin/crsctl set log css “CSSD:2”

Pare todo o Node.# /u01/app/12.1.0.2/grid/bin/crsctl stop cluster

Pare o outro Node.# /u01/app/12.1.0.2/grid/bin/crsctl stop cluster -n nerv02

Inicie todo o Cluster.# /u01/app/12.1.0.2/grid/bin/crsctl start cluster -all

Lab 11.2 – crsctl

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Voting Disks

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● É o centro do “ping” dos Nodes.● Pode ter N mirrors.● Pode ser alterado de qualquer Node.● Backups do Voting Disk são manuais.● Todas operações do Voting Disk devem ser executadas como root.● Deve ser feito backup após Adição ou Remoção de Nodes (<11gR2).● Com base nas informações nele, o Clusterware decide que Node faz parte do Cluster (Election / Eviction / Split Brain).

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Voting Disk

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LAB 11 – Voting Disk

Hands On !

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Lab 12.1 – Voting Disk

Na máquinas nerv09, crie 3 partições de 1GB (para o VD), e 3 de 2GB (para o OCR).

Na máquina nerv09, reconfigure o arquivo /etc/tgt/targets.conf iSCSI server com as novas 6 partições.<target iqn.2010-10.com.nervinformatica:storage.asm01-08> backing-store /dev/sda33 initiator-address 192.168.15.101 initiator-address 192.168.15.102</target>...

# service tgtd reload

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Lab 12.2 – Voting Disk

Nas máquinas nerv01 e nerv02, verifique os Discos exportados no Storage.# iscsiadm -m discovery -t sendtargets -p 192.168.15.201 -l

Nas máquinas nerv01 e nerv02, adicione os novos discos no arquivo /etc/iscsi/initiatorname.iscsi.InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-08InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-09InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-10InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-11InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-12InitiatorName=iqn.2010-10.com.nervinformatica:storage.asm01-13

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Lab 12.3 – Voting Disk

Nas máquinas nerv01 e nerv02 verifique se os discos foram configurados localmente.# fdisk -l

Na máquina nerv01, particione os novos discos.# fdisk /dev/sdin <enter>p <enter>1 <enter><enter><enter>w <enter>...

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Lab 12.4 – Voting DiskNa máquina nerv02, execute a detecção dos novos discos.# partprobe /dev/sdi# partprobe /dev/sdj# partprobe /dev/sdk# partprobe /dev/sdl# partprobe /dev/sdm# partprobe /dev/sdn

Na máquina nerv01, crie os discos do ASM.# /etc/init.d/oracleasm createdisk DISK08 /dev/sdi1# /etc/init.d/oracleasm createdisk DISK09 /dev/sdj1# /etc/init.d/oracleasm createdisk DISK10 /dev/sdk1# /etc/init.d/oracleasm createdisk DISK11 /dev/sdl1# /etc/init.d/oracleasm createdisk DISK12 /dev/sdm1# /etc/init.d/oracleasm createdisk DISK13 /dev/sdn1

Na máquina nerv02, execute a detecção dos discos criados.# /etc/init.d/oracleasm scandisks

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Nas máquinas nerv01 e nerv02, verifique se os discos estão corretos.# /etc/init.d/oracleasm listdisks# /etc/init.d/oracleasm querydisk -v -p DISK08# /etc/init.d/oracleasm querydisk -v -p DISK09# /etc/init.d/oracleasm querydisk -v -p DISK10# /etc/init.d/oracleasm querydisk -v -p DISK11# /etc/init.d/oracleasm querydisk -v -p DISK12# /etc/init.d/oracleasm querydisk -v -p DISK13

Nas máquinas nerv01 e nerv02, verifique se os discos estão corretos.# ls -lh /dev/oracleasm/disks/brw-rw----. 1 oracle asmadmin 8, 17 Jan 2 13:01 DISK08brw-rw----. 1 oracle asmadmin 8, 33 Jan 2 13:01 DISK09brw-rw----. 1 oracle asmadmin 8, 49 Jan 2 13:01 DISK10brw-rw----. 1 oracle asmadmin 8, 65 Jan 2 13:01 DISK11brw-rw----. 1 oracle asmadmin 8, 81 Jan 2 13:01 DISK12brw-rw----. 1 oracle asmadmin 8, 97 Jan 2 13:01 DISK13

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Lab 12.5 – Voting Disk

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Na máquina nerv01, crie os novos DISK GROUPS.$ export ORACLE_HOME=$GRID_HOME$ export ORACLE_SID=+ASM1$ sqlplus / AS SYSASMSQL> CREATE DISKGROUP VD NORMAL REDUNDANCY DISK 'ORCL:DISK08' , 'ORCL:DISK09' , 'ORCL:DISK10';SQL> CREATE DISKGROUP OCR NORMAL REDUNDANCY DISK 'ORCL:DISK11' , 'ORCL:DISK12' , 'ORCL:DISK13';

SQL> ALTER DISKGROUP OCR SET ATTRIBUTE 'compatible.asm' = '12.1.0.0.0';SQL> ALTER DISKGROUP OCR SET ATTRIBUTE 'compatible.rdbms' = '12.1.0.0.0';SQL> ALTER DISKGROUP VD SET ATTRIBUTE 'compatible.asm' = '12.1.0.0.0';SQL> ALTER DISKGROUP VD SET ATTRIBUTE 'compatible.rdbms' = '12.1.0.0.0';

$ srvctl start diskgroup -g OCR -n nerv02$ srvctl enable diskgroup -g OCR -n nerv02$ srvctl start diskgroup -g VD -n nerv02$ srvctl enable diskgroup -g VD -n nerv02

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Lab 12.6 – Voting Disk

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Verifique o status do VOTING DISK.# /u01/app/12.1.0.2/grid/bin/crsctl query css votedisk

Adicione um MIRROR ao VOTING DISK.# /u01/app/12.1.0.2/grid/bin/crsctl add css votedisk +FRAO que aconteceu?# /u01/app/12.1.0.2/grid/bin/crsctl replace votedisk +FRAO que aconteceu?

Altere a localização do VOTING DISK.# /u01/app/12.1.0.2/grid/bin/crsctl replace votedisk +VD# /u01/app/12.1.0.2/grid/bin/crsctl query css votedisk

Lab 12.7 – Voting Disk

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Na máquina nerv09, simule uma falha nos discos dos VOTING DISKs.# dd if=/dev/zero of=/dev/sda33 bs=512 count=1000000# dd if=/dev/zero of=/dev/sda34 bs=512 count=1000000# dd if=/dev/zero of=/dev/sda35 bs=512 count=1000000O que aconteceu?

Nas máquinas nerv01 e nerv02, verifique o estado do Cluster.# tail -f /u01/app/oracle/diag/crs/nerv01/crs/trace/alert.log# /u01/app/12.1.0.2/grid/bin/crsctl status res -t# /u01/app/12.1.0.2/grid/bin/crsctl check cluster -all

Nas máquinas nerv01 e nerv02, desabilite o início automático do CRS, e reinicie.# /u01/app/12.1.0.2/grid/bin/crsctl disable crs# reboot

Na máquina nerv01, inicie o CRS em modo exclusivo, e altere o VOTING DISK.# /u01/app/12.1.0.2/grid/bin/crsctl start crs -excl# /u01/app/12.1.0.2/grid/bin/crsctl replace votedisk +CONFIG

Nas máquinas nerv01 e nerv02, habilite o início automático do CRS, e reinicie.# /u01/app/12.1.0.2/grid/bin/crsctl enable crs# reboot

Lab 12.8 – Voting Disk

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Na máquina nerv01, particione novamente os discos dos VOTING DISKs.# fdisk /dev/sd?n <enter>p <enter>1 <enter><enter><enter>w <enter>...

Na máquina nerv02, execute novamente a detecção dos novos discos.# partprobe /dev/sd?# partprobe /dev/sd?# partprobe /dev/sd?

Na máquina nerv01, crie novamente os discos dos VOTING DISKs.# /etc/init.d/oracleasm createdisk DISK08 /dev/sd?1# /etc/init.d/oracleasm createdisk DISK09 /dev/sd?1# /etc/init.d/oracleasm createdisk DISK10 /dev/sd?1

Na máquina nerv02, execute a detecção dos discos criados.# /etc/init.d/oracleasm scandisks

Lab 12.9 – Voting Disk

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Na máquina nerv01, recrie o DISK GROUP dos VOTING DISKs.$ export ORACLE_HOME=$GRID_HOME$ export ORACLE_SID=+ASM1$ sqlplus / AS SYSASMSQL> CREATE DISKGROUP VD NORMAL REDUNDANCY DISK 'ORCL:DISK08' , 'ORCL:DISK09' , 'ORCL:DISK10';

SQL> ALTER DISKGROUP VD SET ATTRIBUTE 'compatible.asm' = '12.1.0.0.0';SQL> ALTER DISKGROUP VD SET ATTRIBUTE 'compatible.rdbms' = '12.1.0.0.0';

$ srvctl start diskgroup -g VD -n nerv02

Na máquina nerv01, altere a localização do VOTING DISK.# /u01/app/12.1.0.2/grid/bin/crsctl replace votedisk +VD# /u01/app/12.1.0.2/grid/bin/crsctl query css votedisk

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Lab 12.10 – Voting Disk

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OCR

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● É o centro das informações do RAC.● Deve estar em Storage compartilhado por todos Nodes.● Pode ter até 4 mirrors.● Ferramentas do OCR: ocrconfig, ocrcheck, ocrdump.● Ferramentas do OCR devem ser utilizadas como root.● Pode ser alterado de qualquer Node.● Backups do OCR são executados automaticamente.● Backups armazenados: 1 semanal, 1 diário, e 1 a cada 4 horas.● Podem ser executados backups físicos e lógicos.

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OCR – Oracle Cluster Registry

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LAB 12 – OCR

Hands On !

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Execute o ocrdump, e analise o conteúdo do dump (OCRDUMPFILE).# /u01/app/12.1.0.2/grid/bin/ocrdump# file OCRDUMPFILE# grep orcl OCRDUMPFILE

Execute o ocrcheck, e verifique o resultado.# /u01/app/12.1.0.2/grid/bin/ocrcheck# ls -lh /u01/app/oracle/diag/crs/nerv01/crs/trace/ocrcheck*

Verifique o OCR pelo Cluster Verification Utility.# /u01/app/12.1.0.2/grid/bin/cluvfy comp ocr -n nerv01,nerv02Por que não funciona?

Lab 13.1 – OCR

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Na máquina nerv01, altere a localização dos OCRs.# /u01/app/12.1.0.2/grid/bin/ocrconfig -add +CONFIG# /u01/app/12.1.0.2/grid/bin/ocrcheck# /u01/app/12.1.0.2/grid/bin/ocrconfig -add +DATA# /u01/app/12.1.0.2/grid/bin/ocrcheck# /u01/app/12.1.0.2/grid/bin/ocrconfig -add +FRA# /u01/app/12.1.0.2/grid/bin/ocrcheck# /u01/app/12.1.0.2/grid/bin/ocrconfig -delete +DATA# /u01/app/12.1.0.2/grid/bin/ocrcheck# /u01/app/12.1.0.2/grid/bin/ocrconfig -delete +FRA# /u01/app/12.1.0.2/grid/bin/ocrcheck# /u01/app/12.1.0.2/grid/bin/ocrconfig -delete +CONFIGPor que não funciona?

# /u01/app/12.1.0.2/grid/bin/ocrconfig -add +OCR# /u01/app/12.1.0.2/grid/bin/ocrcheck# /u01/app/12.1.0.2/grid/bin/ocrconfig -delete +CONFIG# /u01/app/12.1.0.2/grid/bin/ocrcheck

Lab 13.2 – OCR

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Na máquina nerv01, verifique os backups físicos existentes do OCR.# /u01/app/12.1.0.2/grid/bin/ocrconfig -showbackup# /u01/app/12.1.0.2/grid/bin/ocrconfig -manualbackup# /u01/app/12.1.0.2/grid/bin/ocrconfig -showbackup

Na máquina nerv01, altere a localização dos backups físicos do OCR.# /u01/app/12.1.0.2/grid/bin/ocrconfig -backuploc +FRA# /u01/app/12.1.0.2/grid/bin/ocrconfig -manualbackup# /u01/app/12.1.0.2/grid/bin/ocrconfig -showbackup

Na máquina nerv01, faça um backup lógico do OCR.# /u01/app/12.1.0.2/grid/bin/ocrconfig -export /home/oracle/OCR.bkp# file /home/oracle/OCR.bkp

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Lab 13.3 – OCR

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Na máquina nerv09, simule uma falha nos discos do OCR.# dd if=/dev/zero of=/dev/sda45 bs=512 count=1000000# dd if=/dev/zero of=/dev/sda46 bs=512 count=1000000# dd if=/dev/zero of=/dev/sda47 bs=512 count=1000000O que aconteceu?

Nas máquinas nerv01 e nerv02, verifique o estado do Cluster.# /u01/app/12.1.0.2/grid/bin/ocrcheck# tail -f /u01/app/oracle/diag/crs/nerv01/crs/trace/alert.log# /u01/app/12.1.0.2/grid/bin/crsctl status res -t# /u01/app/12.1.0.2/grid/bin/crsctl check cluster -all# /u01/app/12.1.0.2/grid/bin/ocrconfig -manualbackup

Nas máquinas nerv01 e nerv02, desabilite o início automático do CRS, e reinicie.# /u01/app/12.1.0.2/grid/bin/crsctl disable crs# reboot

Na máquina nerv01, inicie o CRS em modo exclusivo.# /u01/app/12.1.0.2/grid/bin/crsctl start crs -excl -nocrs

Lab 13.4 – OCR

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Na máquina nerv01, particione novamente os discos do OCR.# fdisk /dev/sd?n <enter>p <enter>1 <enter><enter><enter>w <enter>...

Na máquina nerv02, execute novamente a detecção dos novos discos.# partprobe /dev/sd?# partprobe /dev/sd?# partprobe /dev/sd?

Na máquina nerv01, crie novamente os discos do OCR.# /etc/init.d/oracleasm createdisk DISK11 /dev/sd?1# /etc/init.d/oracleasm createdisk DISK12 /dev/sd?1# /etc/init.d/oracleasm createdisk DISK13 /dev/sd?1

Na máquina nerv02, execute a detecção dos discos criados.# /etc/init.d/oracleasm scandisks

Lab 13.5 – OCR

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Na máquina nerv01, recrie o DISK GROUP do OCR.$ export ORACLE_HOME=$GRID_HOME$ export ORACLE_SID=+ASM1$ sqlplus / AS SYSASMSQL> CREATE DISKGROUP OCR NORMAL REDUNDANCY DISK 'ORCL:DISK11' , 'ORCL:DISK12' , 'ORCL:DISK13';SQL> ALTER DISKGROUP OCR SET ATTRIBUTE 'compatible.asm' = '12.1.0.0.0';SQL> ALTER DISKGROUP OCR SET ATTRIBUTE 'compatible.rdbms' = '12.1.0.0.0';

Na máquina nerv01, restaure o OCR.# /u01/app/12.1.0.2/grid/bin/ocrconfig -restore ...

Na máquina nerv01, reinicie o CRS.# /u01/app/12.1.0.2/grid/bin/crsctl enable crs# reboot

Na máquina nerv02, inicie o CRS.# /u01/app/12.1.0.2/grid/bin/crsctl enable crs# reboot

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Lab 13.6 – OCR

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oifcfg

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● A partir de qualquer Node, controla todos.● Deve ser utilizado com o usuário root.● Ferramenta para administração dos IPs Público, Interconnect, e VIPs.● Necessário para alteração de rede dos Nodes.● Hostnames não podem ser alterados (só os VIPs).

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oifcfg

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LAB 14 – oifcfg

Hands On !

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Execute um backup físico do OCR.

Verifique as Interfaces atuais, nos dois Nodes. Guarde o resultado.# /u01/app/12.1.0.2/grid/bin/oifcfg getif

Em apenas um Node, adicione a nova Interface ao Interconnect.# /u01/app/12.1.0.2/grid/bin/oifcfg setif -global eth1/192.168.3.0:cluster_interconnect

Pare o Cluster nos dois Nodes.# /u01/app/12.1.0.2/grid/bin/crsctl stop cluster -all

Logar no ambiente gráfico do nerv01 como root, e alterar o IP do Interconnect.Logar no ambiente gráfico do nerv02 como root, e alterar o IP do Interconnect.

No nerv01, alterar /etc/hosts para os novos IPs.No nerv02, alterar /etc/hosts para os novos IPs.

Reinicie a rede nos dois Nodes.# service network restart

Lab 14.1 – oifcfg

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Inicie o Cluster nos dois Nodes.# /u01/app/12.1.0.2/grid/bin/crsctl start cluster -all

Em apenas um Node, remova a antiga Interface, após o CRS iniciar.# /u01/app/12.1.0.2/grid/bin/oifcfg getif# /u01/app/12.1.0.2/grid/bin/oifcfg delif -global eth1/192.168.1.0# /u01/app/12.1.0.2/grid/bin/oifcfg getif

Execute um backup físico do OCR.

Lab 14.2 – oifcfg

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Rolling Patch

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● Permite aplicação de Patches sem indisponibilidade.● Para-se uma Instance, aplica-se o Patch, inicia a Instance, e parte para a Instance seguinte.● O Patch precisa suportar o Rolling Upgrade.● Não pode ser utilizado com HOMEs compartilhados.● Não pode ser utilizado para Patchsets.

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Rolling Patch

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LAB 15 – Rolling Patch

Hands On !

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Atualize o OPatch.$ unzip -q p6880880_121010_Linux-x86-64.zip$ mv $ORACLE_HOME/OPatch/ $ORACLE_HOME/OPatch.BACKUP$ mv /home/oracle/OPatch $ORACLE_HOME

Pare a Instance ORCL1 da máquina nerv01./u01/app/12.1.0.2/grid/bin/srvctl stop instance -d ORCL -n nerv01

Aplique o Patch a partir da máquina nerv01.$ unzip -q p19303936_121020_Linux-x86-64.zip$ cd /home/oracle/19303936/$ $ORACLE_HOME/OPatch/opatch apply

Quando a aplicação do Pacth solicitar, em outro terminal, inicie a instância da máquina nerv01 e pare a instância da máquina nerv02. Em seguida, prossiga com a aplicação do Patch./u01/app/12.1.0.2/grid/bin/srvctl start instance -d ORCL -n nerv01/u01/app/12.1.0.2/grid/bin/srvctl stop instance -d ORCL -n nerv02

Lab 15.1 – Rolling Patch

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Após a aplicação, inicie a instância da máquina nerv02./u01/app/12.1.0.2/grid/bin/srvctl start instance -d ORCL -n nerv02

Nas máquinas nerv01 e nerv02, execute a etapa de alterações de SQL do Patch, conforme README.cd $ORACLE_HOME/OPatch./datapatch -verbose

Lab 15.2 – Rolling Patch

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● Full Table Scans (Optimizer Statistics, System Statistics)● Bind Variables / Cursor Sharing● Sequences / Sequences Artificiais● Dictionary● Reverse Key Indexes● Job x Scheduler● V$SESSION● UTL_FILE● Directories / External Tables / Data Pump● Partitioning

Single Instance x RAC

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LAB 16 – Sequences

Hands On !

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Crie uma entrada no tnsnames.ora para o RAC vizinho ao seu.

Conecte no RAC vizinho como SCOTT/TIGER. Analise e execute o script create_sequence.sql.

Analise e execute o script insert_sequence_rapida.sql

Analise e execute o script insert_sequence_lenta.sql

Repita os scripts de insert algumas vezes e veja se o resultado continua similar.É possível melhorar este tempo?

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Lab 16.1 – Sequences

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Load Balance (Client)

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Client tnsnames.ora

ORCL = (DESCRIPTION= (LOAD_BALANCE=ON) →→→ Escolha Aleatória (FAILOVER=ON) →→→ Tenta acessar o 1o, depois o 2o (ADDRESS=(PROTOCOL=TCP)(HOST=nerv01-vip)(PORT=1521)) →→→ VIP (ADDRESS=(PROTOCOL=TCP)(HOST=nerv02-vip)(PORT=1521)) →→→ VIP (CONNECT_DATA= (SERVICE_NAME=ORCL) (FAILOVER_MODE= (TYPE=SELECT) →→→ SESSION ou SELECT (METHOD=BASIC) →→→ BASIC ou PRECONNECT (RETRIES=10) →→→ 10 tentativas de conexão (DELAY=1) →→→ 1 segundo para cada tentativa ) ) )

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Load Balance Client (<= 11gR1)

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Load Balance (Server)

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Load Balance (Server)

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Client tnsnames.ora:ORCL =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = rac01-scan)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = ORCL)))

Parâmetro LOCAL_LISTENER dos Nodes:(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=nerv01-vip)(PORT=1521))))

Parâmetro REMOTE_LISTENER dos Nodes:rac01-scan:1521

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Load Balance (Server)

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Services GoalGOAL_NONEGOAL_SERVICE_TIME →→→ Bom para OLTPGOAL_THROUGHPUT →→→ Bom para Batch / OLAP / DBA

Services Connection Load Balance GoalCLB_GOAL_SHORT →→→ Bom para OLTPCLB_GOAL_LONG →→→ Bom para Batch / OLAP / DBA ou OLTP Persistente

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Load Balance (Server)

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Crie uma Job Class no Scheduler para o Service DBA:BEGIN DBMS_SCHEDULER.create_job_class ( job_class_name => 'DBA_JOB_CLASS', service => 'DBA_SERVICE');END;/

Crie um Job no Scheduler para utilizar o Service DBA:BEGIN

DBMS_SCHEDULER.create_job ( job_name => 'SYS.DBA_JOB_TEST', job_type => 'PLSQL_BLOCK', job_action => 'BEGIN EXEC DBMS_STATS.GATHER_DATABASE_STATS; END;', start_date => SYSTIMESTAMP, repeat_interval => 'FREQ=DAILY;', job_class => 'SYS.DBA_JOB_CLASS', end_date => NULL, enabled => TRUE, comments => 'Job linked to the DBA_JOB_CLASS.');

END;/

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Load Balance (Server) - Scheduler

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srvctl add servicesrvctl remove servicesrvctl modify servicesrvctl relocate servicesrvctl status servicesrvctl start servicesrvctl stop servicesrvctl enable servicesrvctl disable service

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Load Balance (Server)

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LAB 17 – Load Balance (Server)

Hands On !

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Veja os Services configurados.$ srvctl config database -d ORCL

Crie Service para OLTP.

Exemplo:$ srvctl add service -db ORCL -service OLTP -preferred ORCL2 -available ORCL1 -tafpolicy PRECONNECT -policy AUTOMATIC -failovertype SELECT -failovermethod BASIC -failoverdelay 1 -failoverretry 10 -clbgoal SHORT -rlbgoal SERVICE_TIME -notification TRUE

$ srvctl add service -db ORCL -service WEB -preferred ORCL1,ORCL2 -policy AUTOMATIC -failovertype SELECT -failovermethod BASIC -failoverdelay 1 -failoverretry 10 -clbgoal SHORT -rlbgoal SERVICE_TIME -notification TRUE

Como ver detalhes de um Service já configurado?

Altere o tnsnames.ora para utilizar os novos Services e teste o Failover.

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Lab 17.1 – Load Balance (Server)

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Adicionar e Remover Nodes

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Sequência para adicionar Node:● Instalar Hardware;● Instalar e configurar Sistema Operacional;● Configurar acesso ao Storage;● Configurar ssh sem senha com os Nodes já existentes;● Instalar Grid Infraestruture a partir de um Node existente;● Instalar Oracle a partir de um Node existente;● Adicionar Instances.

Sequência para remover Node:● Remover Instance;● Remover Oracle;● Remover Clusterware.

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Adicionar e Remover Nodes

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LAB 18 – Adicionar Nodes

Hands On !

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Manter apenas 1 RAC ativo na sala.No restante das máquinas, refazer os Labs 1, 3, e 4.

Para todas as máquinas, configurar SSH sem senha para o usuário oracle.$ cd /home/oracle/grid/sshsetup./sshUserSetup.sh -user oracle -hosts "nerv01 nerv02 nerv05" -advanced -exverify -confirm -noPromptPassphrase

Instalar Grid Infraestruture nas outras máquinas, a partir de um Node existente:$ cd $GRID_HOME/addnode$ ./addnode.sh -silent “CLUSTER_NEW_NODES={nerv03,nerv04,nerv05}” “CLUSTER_NEW_VIRTUAL_HOSTNAMES={nerv03-vip,nerv04-vip,nerv05-vip}”

Nas outras máquinas, com o usuário root, execute os seguintes scripts.# /u01/app/oraInventory/orainstRoot.sh# /u01/app/12.1.0.2/grid/root.sh

Lab 18.1 – Adicionar Nodes

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Instalar Oracle Database nas outras máquinas, a partir de um Node existente:$ cd $ORACLE_HOME/addnode$ ./addnode.sh -silent "CLUSTER_NEW_NODES={nerv03}"

Nas outras máquinas, com o usuário root, execute o script abaixo.# /u01/app/oracle/product/12.1.0.2/db_1/root.sh

Na máquina nerv01, execute a adição da instância.$ $GRID_HOME/bin/srvctl add instance -d ORCL -i ORCL3 -n nerv03

Na máquina nerv01, conclua a adição do nó.SQL> ALTER SYSTEM SET INSTANCE_NUMBER=3 SID='ORCL3' SCOPE=SPFILE;SQL> ALTER SYSTEM SET thread=3 SID='ORCL3' SCOPE=SPFILE;SQL> ALTER DATABASE ADD LOGFILE THREAD 3;SQL> ALTER DATABASE ADD LOGFILE THREAD 3;SQL> ALTER DATABASE ENABLE PUBLIC THREAD 3;SQL> CREATE UNDO TABLESPACE UNDOTBS3;SQL> ALTER SYSTEM SET UNDO_TABLESPACE=UNDOTBS3 SID='ORCL3' SCOPE=SPFILE;

$ $GRID_HOME/bin/srvctl start instance -d ORCL -i ORCL3

Lab 18.2 – Adicionar Nodes

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Flex ASM

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Flex ASM

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LAB 19 – Flex ASM

Hands On !

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Na máquina nerv01, verifique a configuração atual do Cluster.$ $GRID_HOME/bin/asmcmd showclustermode$ $GRID_HOME/bin/srvctl status asm$ $GRID_HOME/bin/srvctl config asm

Na máquina nerv01, execute a alteração para Flex ASM.$ $GRID_HOME/bin/asmca -silent -convertToFlexASM -asmNetworks eth1/192.168.3.0 -asmListenerPort 1522# /u01/app/oracle/cfgtoollogs/asmca/scripts/converttoFlexASM.sh

Na máquina nerv01, verifique a configuração atual do Cluster.$ $GRID_HOME/bin/srvctl status asm$ $GRID_HOME/bin/srvctl config asm$ $GRID_HOME/bin/srvctl modify asm -count 2 $ $GRID_HOME/bin/srvctl status asm$ $GRID_HOME/bin/srvctl config asm

Lab 19.1 – Flex ASM

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Flex Cluster

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Flex Cluster

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LAB 20 – Flex Cluster

Hands On !

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Na máquina nerv01, verifique a configuração atual do Cluster.# /u01/app/12.1.0.2/grid/bin/crsctl get cluster mode status# /u01/app/12.1.0.2/grid/bin/srvctl config gns

Na máquina nerv01, altere a configuração do Cluster.# /u01/app/12.1.0.2/grid/bin/srvctl add gns -vip 192.168.15.191# /u01/app/12.1.0.2/grid/bin/srvctl start gns# /u01/app/12.1.0.2/grid/bin/crsctl set cluster mode flex

Na máquina nerv01, altere a configuração do Cluster.# /u01/app/12.1.0.2/grid/bin/crsctl get node role config -all# /u01/app/12.1.0.2/grid/bin/crsctl set node role leaf -node nerv07# /u01/app/12.1.0.2/grid/bin/crsctl set node role leaf -node nerv08# /u01/app/12.1.0.2/grid/bin/crsctl get node role config -all

Lab 20.1 – Flex Cluster

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Melhores Práticas

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- RAC de dois nós possui diversas limitações. - Utilize Hardware Certificado para sua implementação. - Elimine os POF: NICs, Switch, Storage, etc. - O Switch do Interconnect deve ser físico e exclusivo. - Utilize ASM. É a direção da Oracle. - Utilize GNS. É a direção da Oracle. - Utilize /etc/hosts, além do DNS. - No ASM, utilize DGs separados para DATA, FRA, OCR e VD. - Centralize os backups do OCR. - Utilize DATA e FRA com redundância no Storage ou ASM. - Utilize OCR e VD com redundância no Storage e ASM. - Use HOMEs locais, para GRID_HOME e ORACLE_HOME. - Logs (todos) devem ser centralizados. De nada vale um log que não existe. - Observe também os Logs do Sistema Operacional. - Utilize Jumbo Frames no Interconnect. - Utilize Huge Pages, e não utilize AMM. - O RAC torna aplicações boas em ótimas, e ruins em péssimas. - Esqueça SIDs. Aprenda Services. - Particione sua aplicação em Services. Sem Services, o RAC não é nada.

Melhores Práticas

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E agora?

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Fórum

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Alunos

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Blog

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YouTube

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Facebook / Twitter

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Obrigado!

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