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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
I
2
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