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203
Troubleshooting
Pegasus3 Product Manual
Disk Array Offline / Logical Drive Offline
Disk arrays are made up of physical drives. Logical drives are created on the disk array. When a disk
array and its logical drives go
Offline
, the data stored in the logical drives is no longer accessible.
RAID 0 logical drives go
Offline
when ONE physical drive is removed or fails. RAID 1, 1E, 5, and 10
logical drives go
Offline
when TWO physical drives are removed or fail.
RAID 6 logical drives go
Offline
when THREE physical drives are removed or fail.
The Pegasus Utility reports these conditions in the following places:
•
Dashboard
icon
– A red X icon appears beside the disk arrays, logical drives, and physical
drives under System Status.
•
Physical Drive
icon – Physical drives are shown Dead, Offline, or Missing.
•
Logical Drive
icon – Disk Array and Logical Drives are marked with a red X icon.
•
Event
icon – Major event for the logical drive and a Warning event for the physical drive. Under
Background Activities, no Rebuild takes place. See Repairing, below.
Repairing an Offline Disk Array or Logical Drive
RAID 1, 1E, 5, 6, and 10 Logical Drives
If a fault-tolerant logical drive, RAID 1, 1E, 5, 6, and 10, goes
Offline
, it may be possible to recover your
data.
RAID 0 Logical Drives
If a logical drive based on a non-fault-tolerant disk array, RAID 0, goes offline, all of the data on the
logical drive is lost.
WARNING
WARNING
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 ...