Adaptec 131CA - AAA RAID Controller Manuel d'utilisateur télécharger pdf (Page 2)

Hot swap. If the server storage enclo-

sure supports the hot swapping of

drives, so does the AAA-130 series. In

environments where hot swap is not

supported, the warm-swap utility of

the AAA-130 array adapter permits

I/O to be paused temporarily while a

drive is replaced — no power-off and

rebooting required.

Hot-spare standby. The AAA-130

series takes the crisis out of drive fail-

ure by supporting hot spares. Up to

two hot-spare drives can be configured

per array or a pool of up to eight spares

can be established for all arrays to draw

upon. Failover to a hot-spare drive is

automatic. Data is reconstructed auto-

matically in real-time without interrupt-

ing network users, and the priority of

drive reconstruction can be defined.

Boot from an array. With the AAA-130

series, systems can be set up to boot from

a disk array. This means the network

operating system itself can be protected.

Extended parity protection. The

AAA-130 series features a parity-

protected RAID coprocessor, which

maintains data integrity from the stor-

age media to the host system.

Dynamic sector repairing. In addition

to providing fault tolerance against

disk drive crashes, the AAA-130 array

adapter series protects against soft

media errors (i.e. latent defects) by

repairing damaged disk sectors on the

fly. If data cannot be retrieved from a

damaged sector, the adapter recovers

automatically and transparently by

assigning the data block to a spare sec-

tor on the disk (except RAID 0). Access

is uninterrupted and no data is lost.

Scalability for growth

Adaptec solutions are known for scala-

bility and the Adaptec family of array

products is no exception. The entire

family of array solutions, including

the AAA-130 series, leverages the

same underlying high-performance

architecture. Across the series and the

entire Adaptec array family, Adaptec

CI/O Array Management software

provides cost-effective incremental

growth in capacity and a seamless user

interface that reduces the cost and

effort of managing growing systems.

The AAA-130 series accommodates

growing storage capacity requirements.

Storage systems can be configured ini-

tially with disk mirroring. Then, when

rising storage requirements make mir-

roring too costly, systems can easily

be reconfigured to RAID 5.

Choice of RAID levels

An AAA-130 series array adapter

supports up to four arrays in any

combination of RAID 0, 1 (mirroring),

0/1, or 5 to meet the availability and

performance requirements of different

network applications.

RAID 0 stripes data across multiple disks

without redundancy, speeding data

access when performance is the top

priority. RAID 1 mirrors data, providing

full data redundancy but doubling the

storage requirements. RAID 5 is an

economical solution for protecting data

at a much lower storage cost than

mirroring. It provides the best overall

balance of fault tolerance, performance,

and storage cost for most transaction-

oriented networks.

Broad compatibility

Extensively tested in the Adaptec com-

patibility lab, the AAA-130 series sup-

ports Fast/Wide SCSI, UltraSCSI, and

Wide UltraSCSI drives and other SCSI

devices from all major vendors. The

AAA-130 series is also compatible with

all the most popular network operating

systems. This extensive compatibility

provides more choice in systems and

peripherals while protecting company

hardware and software investments.

Simple installation

Simplicity is a hallmark of Adaptec

array solutions. Just plug an AAA-130

series adapter into a PCI slot, run

Adaptec ArrayConfig software, and

follow simple menu-driven steps to con-

figure the adapter. Adaptec ArrayConfig

software enhances fault tolerance by

allowing an initial array configuration

to be set up before installation of the

operating system.

Convenient array management

The same array management software

supports all Adaptec array products,

providing seamless scalability and a

built-in upgrade path. Adaptec CI/O

Array Management software takes the

complexity out of array management.

It is the network managers’ control

center for monitoring and managing

disk storage for the entire network.

Keep track of everything that happens

Pick and click to reconfigure arrays

Zero-in on individual servers and arrays

Adaptec CI/O Array Management Software

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Adaptec 131CA - AAA RAID Controller Manuel d'utilisateur Page 2

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