Intel® RAID Controller SRCSASJV Hardware User’s Guide
12
Array Performance Features
Fault Tolerance
Multiple initiators
Yes
Maximum scatter / gather
26 elements
Maximum size of I/O requests
6.4 Mbytes in 64 Kbyte stripes
Max queue tags per drive
As many as the drive can accept
Stripe sizes
8, 16, 32, 64, 128, 256, 512, or 1024 KB
Max concurrent commands
255
Support for multiple initiators
Yes
Performance
Native command queuing
Flexibility
Drive migration, RAID level migration, Drive Roaming, Online
Capacity Expansion - without reboot
Background services
Rebuild, Consistency Check, Migration, OCE, and Patrol Read
Cache options
Write-back or Write-through Read Ahead, Adaptive Read
Ahead, NonRead Ahead, Cache I/O or Direct I/O
Self Monitoring Analysis and
Reporting Technology (SMART)
support
Detects up to 70% of predictable disk drive failures and
monitors the internal performance of all motors, heads,
and drive electronics.
Optional Battery Backup
Intel
®
RAID Smart Battery cache backup. Up to 72 hours
of data retention. If use 72b configuration (3) 64Mx16 or
(3) 128Mx16 “Gas Gauge".
Drive Replacement
Auto detection of failure, hot plug, hot swap.
Drive Rebuild Using Hot Spares
Automatic at fail: Dedicated per Array; Global for any
array; Auto-resume of initialization or rebuild on reboot
Error Checking and Indication
Parity generation and checking, automatic consistency
checking; patrol reads; activity and fault LEDs, alarm;
multiple retries; logs in NVRAM, event log, CIM, Smart,
Intel
®
RAID Web Console 2
