Intel RS2WC040 Hardware User Guide - Page 25

Fault Tolerance, Table 4. Fault Tolerance Features

Page 25 highlights

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

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Intel® RAID Controller RS2WC040 Hardware User’s Guide
15
Fault Tolerance
Table 4. Fault Tolerance Features
Maximum size of I/O requests
6.4 Mbytes in 64 Kbyte stripes
Maximum queue tags per
drive
As many as the drive can accept
Strip sizes
8, 16, 32, or 64 KB
Maximum concurrent
commands
1024-16
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
Patrol Read
Cache options
Write-through
Normal Read
Direct I/O
Specification
Intel
®
RAID Controller RS2WC040
Specification
Intel
®
RAID Controller RS2WC040
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.
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