Intel RS2WC040 Hardware User Guide - Page 25
Fault Tolerance, Table 4. Fault Tolerance Features
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Specification Intel® RAID Controller RS2WC040 Maximum size of I/O requests 6.4 Mbytes in 64 Kbyte stripes Maximum queue tags per drive Strip sizes As many as the drive can accept 8, 16, 32, or 64 KB Maximum concurrent commands 1024-16 Support for multiple initiators Performance Flexibility Background services Cache options Yes Native command queuing • Drive migration • RAID level migration • Drive Roaming • Online Capacity Expansion - without reboot • Rebuild • Consistency Check • Migration • OCE • Patrol Read • Write-through • Normal Read • Direct I/O Fault Tolerance Table 4. Fault Tolerance Features Specification Self Monitoring Analysis and Reporting Technology (SMART) support Drive Replacement Drive Rebuild Using Hot Spares Intel® RAID Controller RS2WC040 • Detects up to 70% of predictable disk drive failures • Monitors the internal performance of all motors, heads, and drive electronics. • Auto detection of failure • Hot plug • Hot swap • Automatic at fail • Dedicated per array • Global for any array • Auto-resume of initialization or rebuild on reboot Intel® RAID Controller RS2WC040 Hardware User's Guide 15