SYMMETRIX DMX-3 & 4

ByRajesh Para

EMC Storage Arrays

Symmetrix 3 & 4

DMX3/4 Scalability

DMX-3 & 4 Hardware Layout

System Bay

Storage Bay

Director Layout

Architecture

Terminology

Few Commands need to know before we proceed1) SYMCFG2) SYMCONFIGURE3) SYMDEV4) SYMDISK5) SYMMASK6) SYMMASKDB

Discover and Verify(symcfg discover)• Build, Update and verify the SYMAPI database

Listing Attached Symmetrix (symcfg list)

Environment Data

List All Directors

List All Disks (symdisk list)

Physical disk drive details

Data Protection and Sparing

Hot spare Info

PROVISIONING

1) Device Creation2) Mapping3) Masking

Symmetrix Logical Volumes

Volume Geometry

Symmetrix Device Types

1) Standard Devices (Thick Devices)2) GateKeeper Devices3) Meta Devices4) BCV Devices5) SRDF Devices6) Dynamic RDF Devices7) Virtual Devices8) Save Devices9) Thin Devices10) Data Devices

Data Protection Options

Device Configuration

Symconfigure Architecture

Symconfigure (cont..)

Different input methods to Symconfigure

Identify Free Space in Physical Disks

Creating New Devices

Device Creation Examples- RAID5 and RAID6

And now the device is created Actually

Listing Devices

Device Details

Device Details (cont..)

Device Details (cont..)

Device Groups

Device Group Examples

Meta Devices

Data Layout in Meta Devices

Creating Meta Devices

Expanding Meta Devices

Removing Members and Dissolving Meta Devices

PROVISIONING

2) Mapping

Verify the connectivity

Front End Port Characteristics

Setting Front-End Port Flags

Heterogeneous Env

Mapping

Mapping Requirements

Mapping-Identify Free Devices

Mapping-Identify Available Channel Address

Mapping Device to Port

Displaying Device Mapping

PROVISIONING

3) Masking

Why Masking?

Add Deviced to Masking DataBase

Dynamic Addressing

Check The Masking

Virtual Provisioning

Virtual Provisioning

Host or Application View

Over Subscription

Virtual Provisioning - Components

Thin Device (TDEV)

Data Device

Thin Pool

Implementing Virtual Provisioning

Creating Thin Device

Display Thin Devices

Creating Data Device

Display Data Devices

Creating Thin Pools

Add Data Devices to Thin Pool

Display Thin Pool

Display Pool Info

Bind TDEV to Thin Pool

Display TDEVs – Bound Devices

Thin Pool After adding DATA devices and TDEVs