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15 Intel® RAID Controller SRCSAS144E Hardware Guide

Array Performance Features

Table 3 shows the RAID Controller SRCSAS144E array performance features.

Redundant

Configuration

32 Kb NVRAM and config on disk (COD) store RAID configuration.

Enclosure

Management

C out-of-band, SES2 in-band, SAF-TE (LEDs)

Table 2. Specifications

Specification Intel

RAID Controller SRCSAS144E

Table 3. Array Performance Features

Specification Intel

RAID Controller SRCSAS144E

PCI Express* Host

Data Transfer Rate

2.5 Gigabit/s per lane

Drive Data Transfer

Rate

3 Gigabit/s per lane

Maximum

Scatter/Gathers

26 elements

Maximum Size of I/O

Requests

6.4 Mbytes in 64 Kbyte stripes

Maximum Queue

Tags per Drive

As many as the drive can accept

Stripe Sizes 8, 16, 32, 64, or 128 Kbyte

Maximum Number

of Concurrent

Commands

255

Support for Multiple

Initiators

Yes

Flexibility Drive migration, RAID level migration; drive roaming online capacity

expansion, without reboot

Background Services Rebuild, consistency check, initialization, migration, OCE, and patrol read

Cache Options Write-back or write-through, read ahead, adaptive read ahead, non-read

ahead, cache I/O or direct I/O

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