RAID and SAN RAID and SAN Mylex Internal-PCI and External RAID

solutions for High Performance Servers, Clusters, and Storage Area Networks (SAN)

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Corporate SummaryCorporate Summary

Founded in 1983

Headquarters in Fremont, California

Publicly traded on NASDAQ as MYLX

#1 Supplier of RAID controllers in the worldwide non-captive marketplace

Shipped over 725,000 RAID controllers to date

$123.6M in revenue in 1997

Market cap of approx. $200M

350 employees

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Product Strength, Depth and BreadthProduct Strength, Depth and Breadth

Cost Effective PCI RAID Solutions for: Entry Level Servers Win/tel based Workstations High-end Desktop Systems

High Performance PCI RAID Solutions for: Mid-level Servers High-end Servers

External RAID Solutions for: Enterprise Class Servers Clustering and High Data Availability Applications Storage Area Networks

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Quotes from Industry LeadersQuotes from Industry Leaders

Microsoft Corporation“Windows NT Server Enterprise Edition is being used in more and more mission-critical roles. Our mutual customer base will benefit from Mylex’s technology and sophistication in this vital area of system engineering and performance optimization.”

Edmund MuthGroup Product Manager

Intel Corporation“We are excited about the ability of Intel Architecture SHV Server customers to get greater functionality out of their on-board storage devices through the integration of Mylex AcceleRAID products. Hot-Plug PCI, ECC and improved RAID management/expansion support, combined with low cost, position Mylex AcceleRAID products to meet the demands of today’s SHV Server platforms.”

John HaasEnterprise Server GroupIndustry Marketing Manager

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Market Leaders Market Leaders

Acer Amdahl Andataco Arrow ICP Artecon/Storage

Dimensions AT&T Bell Micro Bull S.A./NEC Compaq/DEC Data General Fujitsu Japan Fujitsu ICL Goldstar

Hitachi Ideal Hardware Infodip Ingram Micro Innoquest Intel Lobster Computer Lucent Micron MTI NCR NEC Japan nStor

Octel Packard Bell Procom Technologies Samsung Seachange Sequent Siemens Nixdorf Tech-Data Toshiba Tulip Computers Unisys Wyle Labs Zenith

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A host independent external RAID controller combining

Fibre Channel and Ultra2 SCSI LVD to provide

exceptionally high performance with multiple disk drive

architectures for extremely large system solutions.

DAC-FLDAC-FL

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DAC-FL: TechnologyDAC-FL: Technology

Up to 256 MB Data Cache

Dual PCI Bus design

5 1/4” form factor

2 Copper FC-AL host channels

Burst cache transfer rates: Up to

97 MB/s per host channel

4 Ultra2 SCSI LVD channels

15 devices per Ultra2 SCSI

channel - 60 devices/controller

Up to 1.08TB per controller

Sustained disk transfer rates:

over 52MB/s

Two RISC ProcessorsTwo RISC Processors

2 Fibre Channel loops2 Fibre Channel loops

Ultra2 SCSIUltra2 SCSI

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DAC-FL: HardwareDAC-FL: Hardware

2 FC-AL channels2 FC-AL channels

256 MB memory256 MB memory

Dual RISC Processors (i960RD + i960RD)Dual RISC Processors (i960RD + i960RD)

4 Ultra2 SCSI4 Ultra2 SCSI

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RAID 0, 1, 0+1, 3, 5, 10, 30, 50 and JBOD

Write Through and Write-back or Read-ahead support

Onboard Firmware

Variable Stripe size per controller

Variable Cache Line size per controller

Mirrored Cache

Clustering Support -- Windows NT, UNIX, SCO UNIX, NetWare

Designed to fit in an Industry standard 5 1/4” half-height form factor

External RAID: FeaturesExternal RAID: Features

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External RAID: FeaturesExternal RAID: Features

Network Security Levels Guest Access Admin Access

Online capacity expansion Remote Instrumentation

DMI SNMP

SMART Support SAF-TE and SES

enclosure management

Wizard Configuration Global Array Manager

(GAM)™ software Flash upgradeable F/W OS-Independent Server

API Performance Monitoring

Controller Statistics Drive Statistics Historical Statistics

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DAC-FL: Target ApplicationsDAC-FL: Target Applications Designed for $15K to $150K servers

Departmental to Enterprise NT Servers Low-end to Mid-Range UNIX Systems 3,000 to 30,000 IO’s per second 10’s of GB’s to 10’s of TB’s

Designed for Clusters NT (Microsoft Cluster Server), NetWare Wolf Mountain and UNIX

clusters Support for Storage Area Networks (SAN) Active / Active Duplex Configurations

Concurrently operation --> performance Transparent failover / failback --> non-stop operation Mirrored cache architecture --> guaranteed data integrity

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Product Line FeaturesProduct Line Features

Fibre Channel ---> Performance/Scalability Active-active ---> Performance/Fault Tolerance Failover/failback ---> Data Availability Cache mirroring ---> Data Integrity Ultra2 SCSI LVD ---> Performance/Scalability

/Legacy Support

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DAC-SF: TechnologyDAC-SF: Technology

Two RISC ProcessorsTwo RISC Processors

2 Fibre Channels loops2 Fibre Channels loops

Ultra2 SCSIUltra2 SCSI

Up to 256 MB Data Cache

Dual PCI Bus design

5 1/4” form factor

2 Copper FC-AL host channels

Sustained cache transfer rates: Up

to 97 MB/s per host channel

5 Ultra SCSI LVD channels

15 devices per Ultra2 SCSI

channel - 60 devices/controller

Up to 1.08TB per controller

Sustained disk transfer rates: over

52MB/s

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eXtremeRAID™ 1100 eXtremeRAID™ 1100 TechnologyTechnology

233 MHz SA 110233 MHz SA 110

Ultra2 SCSIUltra2 SCSI

64 bit PCI64 bit PCI

2 or 3 Ultra2 SCSI Channels

Up to 4MB Flash EEPROM

32 or 64 MB parity SDRAM +

BBU module

Up to 3 internal and 3 external

SCSI connectors

PCI 2.1 compliance

Dual Address Cycle

PCI Hot Plug

> 6000 Random I/O’s

> 75 MB/second sustained data

transfer rate

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DAC-FF: TechnologyDAC-FF: Technology

Up to 256 MB Data Cache

Dual PCI Bus design

5 1/4” form factor

2 Copper FC-AL host channels

Burst cache transfer rates: Up to

189 MB/s

4 Fibre channels to drives

125 devices per Fibre channel -

500 devices/controller

Up to 9.0TB per controller

Two RISC ProcessorsTwo RISC Processors

2 Fibre Channels to host2 Fibre Channels to host

4 Fibre Channels to drives4 Fibre Channels to drives

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Simplex Performance and CapacitySimplex Performance and Capacity

PerformanceSX SF FL FF

Burst IO’s Per Second 1,800 4,100 4,100 6,000Burst (cache) Bandwidth (MB/s) 45 97 97 194Sustained (disk) Bandwidth (MB/s) 30 52 52 125Note: Sequential read performance, small blocks, no coalescing driver.

Storage SX SF FL FF

Disks 75* 90 60 500**Terabytes (9 GB) 7 .8 .5 4.5Terabytes (18 GB) 1.4 1.6 1.0 9.0

* Single host channel **Single ported disks

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Duplex Performance and CapacityDuplex Performance and Capacity Performance

SX SF FL FF

Burst IO/s Per Second 3,600 8,200 8,200 12,000Burst (cache) Bandwidth (MB/s) 90 194 194 388Sustained (disk) Bandwidth (MB/s) 50 100 100 225Notes:

1. Sequential read performance, small blocks, no coalescing driver. 2. Burst rates are 2x simplex configuration. 3. Sustained rates are generally 1.9x simplex configuration (active-active overhead).

Storage SX SF FL FF

Disks 70* 94 56 496**Terabytes (9 GB) .6 .8 .5 4.5Terabytes (18 GB) 1.2 1.6 1.0 9.0

* One host channel ** Single ported disks

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Entry Level FiberEntry Level Fiber

Single Node, Single HBA and Host Loop, Dual FL’s

FC HBA

FL Controller 1

Port 0Active

Port 1Active

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Performance Scaling With FibrePerformance Scaling With Fibre Single Node, Dual HBAs and Host Loops, Dual FLs

FC Hub

FC HBA

FL Controller 1

Port 0Active

Port 1Active

FL Controller 0

Port 0Active

Port 1Active

FC HBA

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Fault Tolerant Fibre I/OFault Tolerant Fibre I/O

Single Node, Dual HBAs and Host Loops, Dual FLs

FC Hub

FC HBA

FL Controller 1

Port 0Active

Port 1Inactive

FL Controller 0

Port 0Active

Port 1Inactive

FC HBA

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Fault Tolerant Computing - WolfpackFault Tolerant Computing - Wolfpack

Dual Nodes, Single HBAs and Host Loops, Dual FLs

FC Hub

FC HBA

FL Controller 1

Port 0Active

Port 1Inactive

FL Controller 0

Port 0Active

Port 1Inactive

FC HBA

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Parallel App Clusters - Wolfpack-IIParallel App Clusters - Wolfpack-II N-Node, Switched Fibre, N-FFs Arrays, FCAL to Disk

FC Switch

FF Controller 1

Port 0Active

Port 1Active

FF Controller 0

Port 0Active

Port 1Active

FC HBA

FF Controller 1

Port 0Active

Port 1Active

FF Controller 0

Port 0Active

Port 1Active

FC HBAFC HBA

FC HBA

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Parallel App Clusters -- SAN / VIAParallel App Clusters -- SAN / VIA N-Node, Switched ServerNet (?), N-FFs Arrays, FCAL to Disk

SAN Switch

FF Controller 1

Port 0Active

Port 1Active

FF Controller 0

Port 0Active

Port 1Active

SAN HBA

FF Controller 1

Port 0Active

Port 1Active

FF Controller 0

Port 0Active

Port 1Active

SAN HBASAN HBA

SAN HBA

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Mylex RAID for SANMylex RAID for SAN

External: DAC-FL Fibre-to-Ultra2 SCSI2 Fibre channels to host4 Ultra2 SCSI channels to drives60 drives; 1.08 TB/ctrlr.Over 52MB/s sust. disk Xfers

External: DAC-SF Fibre-to-Ultra SCSI2 Fibre channels to host6 Ultra SCSI channels to drives90 drives; 1.62 TB/ctrlr.Over ??MB/s sust. disk Xfers

Internal: eXtremeRAID 1100 PCI-Ultra2 SCSIUpto 3 Int.+3 ext connectors3 Ultra2 SCSI chnls to drives45 drives; 810 TB/ctrlr.Over 80MB/s sust. disk Xfers

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Mylex RAID for SANMylex RAID for SAN

External: DAC-FF Fibre-to-Fibre2 Fibre channels to host4 Fibre channels to drives500+ drives; 9.0 TB/ctrlr.Over 189MB/s Xfers

MYLEX: SAN solutions for all your platforms fromTHE RAID COMPANY!