Product manual

Chapter 8: Troubleshooting
317
Disk Array and Logical Drive Problems
Disk array and logical drive problems include:
• Disk Array Degraded/Logical Drive Critical (page 317)
• Disk Array Offline/Logical Drive Offline (page 318)
• Repairing an Offline Disk Array or Logical Drive (page 319)
• Rebuilding a Disk Array (page 319)
• Incomplete Array (page 320)
Disk array problems typically result from a physical drive failure. The most
common problem is a degraded disk array. The RAID controller can rebuild a
degraded disk array. See “Rebuilding a Disk Array” on page 319.
Disk Array Degraded/Logical Drive Critical
Disk arrays are made up of physical drives. Logical drives are created on the disk
array.
When one of the physical drives in a disk array fails:
• The operational status of the disk array becomes Degraded.
• The operational status of the logical drives becomes Critical.
• The operational status of the physical drive becomes Dead or Offline.
WebPAM PROe reports these conditions in the following places:
• Dashboard Tab
A yellow ! icon beside the disk arrays, logical drives, and physical drives
under System Status.
Major event for the logical drive under Event Information
Warning event for the physical drive under Event Information.
•Device Tab
Front View, physical drive shown dead, offline and marked with a red X
icon; or missing.
Physical Drive View, physical drive shown dead or offline and marked with a
red X icon; or missing.
•Storage Tab
Disk Array and Logical Drive are marked with a yellow ! icon.