Epairing An D Isk A Aa - Promise Pegasus2 R6 Product Manual

Pegasus2 R4/R6/R8 Product Manual
d A o
isk rrAy ffline
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 PROMISE Utility reports these conditions in the following places:
• Dashboard icon – A red X
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
• 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.
r o
ePAiring An ffline
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.
WARNING WARNING
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.
/ l d o
ogiCAl rive
icon appears beside the disk arrays, logical drives, and physical
D A l
iSK rrAy or ogicAl
ffline
D
rive
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icon.