Hardware User's Guide

Intel® Integrated RAID Module RMS25PB0x0 and RMS25CB0x0 Hardware User’s Guide 31
Fault Tolerance
Table 9. Fault Tolerance Features
Maximum concurrent
commands
255
Support for multiple initiators Ye s
Performance Native command queuing
Flexibility • Drive migration
• RAID level migration
• Drive Roaming
• Online Capacity Expansion - without reboot
Background services • Rebuild
• Consistency Check
• Migration
• OCE
• 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 RMS25PB080,
RMS25PB040, RMS25CB080 and RMS25CB040
Specification
Intel
®
Integrated RAID Module RMS25PB080,
RMS25PB040, RMS25CB080 and RMS25CB040
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 Cache Memory Backup • Intel
®
RAID Smart Battery AXXRSBBU9 cache backup
up to 48 hours of data retention, ‘Gas Gauge’
• Intel
®
RAID Maintenance Free Backup Unit
AXXRMFBU2
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