16 Intel® RAID Controller RS2BL080 Hardware User’s Guide
Fault Tolerance
Table 4. Fault Tolerance Features
Specification Intel
®
RAID Controller RS2BL080
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 AXXRSBBU7 cache
backup
• Up to 72 hours of data retention, “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
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