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QuickSpecs

MSA1000 Components

With the following components, your storage capacity and performance can be scaled to new levels

Modular SAN Array 1000

msa1000 Controller

msa Fibre Channel I/O Module

DA-11621

Canada — Version 2 — April 15, 2003

The 4U cabinet houses up to fourteen 1" Universal hot pluggable Ultra2, Ultra3, and/or Ultra320 drives. Each

msa1000 includes the following standard components: (1) msa1000 Controller, (1) msa Fibre Channel I/O Module

with a single SFP, dual hot pluggable fans/power supplies and power cables, (2) 3' VHDCI to VHDCI SCSI cables

to connect expansion enclosures, documentation and a CD Kit containing firmware upgrade code for Tru64 and

OpenVMS and a support software CD.

The modular design of the msa1000 makes it possible to add redundant controllers, redundant single port Fibre

Channel I/O Modules, 3-port hub, or msa SAN switch 2/8 and storage expansion enclosures.

The msa1000 Controller is an integrated RAID controller with an integrated LCD/LED status display and 256 MB

read/write battery-backed cache (expandable to 512 MB per controller). One msa1000 Controller is included with

the msa1000; a redundant msa1000Controller is an option.

Key Features

msa1000 Controller

Management Features

Several fault tolerant configurations, which keep data available and servers

Fault Tolerance

running while drives are being replaced, are supported including:

Fault Recovery

Provides a single 2 Gb Fibre Channel connection per controller from the host side into the msa1000. The msa

Fibre Channel I/O Module includes one 2 Gb, Short Wave, Small-Form-Factor-Pluggable Transceiver (SFP). A

second msa Fibre Channel I/O Module can be installed for redundancy when a redundant controller is used.

specific for Tru64 UNIX and OpenVMS only

Redundant controller support with mirrored cache

Fabric, Private Loop & Public Loop Support

Auto Negotiated F, FL & L Port Login

RAID 0, 1, 1+0, 5 and ADG

2 Gb/1 Gb Frequency Agile

Primary & Secondary Inter-Controller Link (ICL)

configurable with Command Line Interface (CLI)

Online RAID Level Migration: allows for online post-configuration change to

RAID level without destroying data or volume information.

Online Capacity Expansion: lets you add storage to an operational

msa1000—reducing expensive server downtime.

Global Online Spare: reduces the risk of data loss by facilitating automatic

rebuilds after a drive failure

Advanced Data Guarding (RAID ADG): Allocates the equivalence of two

parity drives across multiple drives and allows simultaneous write

operations.

Distributed Data Guarding (RAID 5): Allocates parity data across multiple

drives and allows simultaneous write operations.

Drive Mirroring (RAID 1, (1+0 Striped Mirroring)): Allocates half of the drive

array to data and the other half to mirrored data, providing two copies of

every file.

Minimizes downtime, reconstructs data, and facilitates a quick recovery

from drive failure

Online Spares: If a failure occurs, recovery begins with an online spare and

data is reconstructed automatically. Multiple online spares can be

assigned per array and used across multiple arrays. It is also possible to

assign different online spares across different arrays.

Array Accelerator: Onboard, battery-backed cache memory protects data in

the event of a power failure. In the unlikely event of a controller failure, the

battery-backed cache will save critical user data for up to three days

hp StorageWorks

modular SAN array 1000