2.4.18 Virtual Drive States; Drive States - Lenovo ThinkServer RD240 Software User's Manual

2.4.18 Virtual Drive States

Table 2.3 Drive States (Cont.)
State
Hot Spare
Failed
Rebuild
Unconfigured
Bad
Missing
Offline
The virtual drive states are described in
Table 2.4 Virtual Drive States
State Description
Optimal The virtual drive operating condition is good. All configured
drives are online.
Degraded The virtual drive operating condition is not optimal. One of
the configured drives has failed or is offline.
Partial The operating condition in a RAID 6 virtual drive is not
Degraded optimal. One of the configured drives has failed or is offline.
RAID 6 can tolerate up to two drive failures.
Failed The virtual drive has failed.
Offline The virtual drive is not available to the RAID controller.
Components and Features
Description
A drive that is powered up and ready for use as a spare
in case an online drive fails.
A drive that was originally configured as Online or Hot
Spare, but on which the firmware detects an
unrecoverable error.
A drive to which data is being written to restore full
redundancy for a virtual drive.
A drive on which the firmware detects an unrecoverable
error; the drive was Unconfigured Good or the drive could
not be initialized.
A drive that was Online but which has been removed from
its location.
A drive that is part of a virtual drive but which has invalid
data as far as the RAID configuration is concerned.
Note: When a virtual drive with cached data goes offline,
the cache for the virtual drive is discarded. Because
the virtual drive is offline, the cache cannot be
saved.
Table 2.4.
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