Intel AXXROMBSASMR, Hardware User'S Manual

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Intel® Integrated RAID Module SROMBSASMR Hardware User’s Guide 15
Fault Tolerance
Table 4.
Specification Intel
®
Integrated RAID Module SROMBSASMR
Self Monitoring Analysis and
Reporting Technology (SMART)
support
•
Detects up to 70% of predictable disk drive failures
•
Monitors the internal performance of all motors, heads,
and drive electronics.
Optional Battery Backup
•
Intel
®
RAID Smart Battery AXXRSBBU3 cache backup
•
Up to 72 hours of data retention
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
•
Multiple retries
•
Logs in NVRAM, event log, CIM, Smart, Intel
®
RAID
Web Console 2
Fault Tolerance Features
Maximum queue tags per
drive
As many as the drive can accept
Stripe sizes 8, 16, 32, 64, 128, 256, 512, or 1024 KB
Maximum 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, Non Read Ahead; Cache I/O or Direct I/O; Disk Cache
Specification Intel
®
Integrated RAID Module SROMBSASMR
Host data transfer rate 2.5 Gigabit/sec per PCI Express* lane