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202
Promise
Technology
Pegasus3 R4/R6/R8
Disk Array and Logical Drive Problems
Disk array and logical drive troubleshooting includes:
•
“Disk Array Degraded / Logical Drive Critical”
• “Disk Array Offline / Logical Drive Offline”
• “Repairing an Offline Disk Array or Logical Drive”
•
•
•
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
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
Critical
.
•
The operational status of the logical drives becomes
Critical
or
Degraded
.
•
The operational status of the physical drive becomes
Dead
or
Offline
. The Pegasus Utility reports
these conditions in the following places:
•
Dashboard icon – A yellow !
icon beside the disk arrays, logical drives, and physical drives
under System Status.
• Physical Drive icon – Physical drives are shown Dead or Offline and marked with a red X
icon,
or Missing.
•
Logical Drive icon – Disk Array and Logical Drive are marked Critical with a yellow ! icon.
RAID 6 logical drives are marked:
•
Degraded with a yellow !
icon when ONE physical drive is offline.
•
Critical with a yellow !
icon when TWO physical drives are offline. RAID 0 logical
drives show Offline status and a red X
icon.
•
Events icon – Logs a Major event for the logical drives and a Warning event for the physical drive.
If there is no spare drive in the Pegasus unit, you must provide the replacement drive. See “Replacing a
Summary of Contents for Pegasus3 R4
Page 4: ...iv Promise Technology Pegasus3 R4 R6 R8 VCCI KCC FCC ...
Page 5: ...v About this guide Pegasus3 Product Manual WARNING WARNING WARNING WARNING ...
Page 80: ...67 Managing the Pegasus3 Pegasus3 Product Manual Controller Settings ...
Page 207: ...194 Promise Technology Pegasus3 R4 R6 R8 View NVRAM Events ...