Intel RAID Basic Troubleshooting Guide
IntelĀ® RAID Basic Troubleshooting Guide Troubleshooting
Revision 2.0
15
4.3 Questions and Answers
Table 1. Common Problems and Solutions
Problem Possible Causes Action
RAID controller is not seated
properly.
Reseat controller.
Bad memory on controller. Replace memory (if configurable).
RAID controller not detected
by the OS management Utility
or detected during POST
Bad controller. Replace controller.
Check cables for proper installation,
type, and length. Check cable
routing, reseat cable connectors.
Update hard disk drive firmware.
Update enclosure firmware.
Physical drive marked failed.
Update RAID controller firmware.
Virtual Disk Drive Degraded
Physical drive failed. Replace failed drive.
Check cables for proper installation,
type, and length. Check cable
routing, reseat cable connectors.
Check drive power.
Check enclosure, reseat drives.
Multiple drives marked failed.
Caution: It may not be possible to
recover from this condition. Contact
Intel Support or try to mark drives
online and replace failed drives one
at a time.
Virtual Disk Drive Offline
Multiple Physical Drives failed. Caution: It may not be possible to
recover from this condition. Contact
Intel Support or try to mark drives
online and replace failed drives one
at a time.
Power failure. Check power supply and power
connections.
Bus Noise. Check cables for proper installation,
type, and length. Check cable
routing, reseat cable connectors.
Physical Drive Failed
Physical Drive Failed. Replace failed drive.
Cable improperly seated or pins are
bent.
Check SAS/SATA cable for proper
installation, type, and length. Check
cable routing, reseat cable
connectors, and check cable for bent
pins. Replace if faulty.
Data bus or device timeout
error
Cables are not speed compatible or
do not meet signal integrity
specifications.
Replace cables.
Failing Controller. Replace controller.
Failing Hard drive. Replace hard drive.
Cabling problem. Review cabling type and layout,
check for bent pins, and reseat
cables.
Write Compare Errors
Firmware problem. Review the firmware versions for the
RAID controller, hard drive set,