Array Performance Features
Host data transfer rate | 2.5 Gigabit/s per PCI Express* lane |
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Drive data transfer rate | 3 Gigabit/s per lane |
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Maximum scatter / gather | 26 elements |
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Maximum size of I/O requests | 6.4 Mbytes in 64 Kbyte stripes |
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Max queue tags per drive | As many as the drive can accept |
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Stripe sizes | 8, 16, 32, 64, 128, 256, 512 or 1024 KB |
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Max concurrent commands | 255 |
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Support for multiple initiators | Yes |
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Performance | Native command queuing |
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Flexibility | Drive migration, RAID level migration, Drive Roaming, Online |
| Capacity Expansion - without reboot |
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Background services | Rebuild, Consistency Check, Migration, OCE, and Patrol Read |
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Cache options | |
| Ahead, NonRead Ahead, Cache I/O or Direct I/O |
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Fault Tolerance
Self Monitoring Analysis and | Detects up to 70% of predictable disk drive failures and |
Reporting Technology (SMART) | monitors the internal performance of all motors, heads, |
support | and drive electronics. |
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Optional Battery Backup | Intel® RAID Smart Battery AXXRSBBU4 cache backup. |
| Up to 72 hours of data retention. “Gas Gauge". |
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Drive Replacement | Auto detection of failure, hot plug, hot swap. |
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Drive Rebuild Using Hot Spares | Automatic at fail: Dedicated per Array; Global for any |
| array; |
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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 |
Intel® RAID Controller SRCSATAWB Hardware User’s Guide | 12 |