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Media errors and predicted failure counters
SAS address
Physical drive state, which can be:
– Unconfigured Good
– Unconfigured Bad
– Online
– Offline
– Failed
– Missing
– Global or Dedicated Hotspare
– Rebuild
Coerced size
Physical drive states introduction
The bottom area has settings you can use depending on the state of the physical
disk. You can also manage the disk through the drive states:
Unconfigured Good
This is a disk that is accessible to the RAID controller but not configured as a part
of a virtual disk or as a hot spare. See Figure 3-67.
Figure 3-67 Physical drives: unconfigured good drive state
Select one of the following settings:
Make Global HSP: Set the selected disk to a global hotspare which is
assigned to all defined virtual disks. A reconstruction process starts
immediately, if any degraded virtual drive has been found.
Make Dedicated HSP: Set the selected disk to a dedicated hotspare for a
specific selected virtual disk only. A reconstruction process starts
immediately, if any other physical disk is failed or missed in this virtual disk.
Prepare for Removal: The firmware spins down this disk drive and the disk
drive state is set to unaffiliated, which marks it as offline even though it is not
a part of configuration.
Undo Prepare for Removal: This undoes this operation. If you select undo, the
firmware marks this physical disk as unconfigured good.
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Planning, Installing, and Managing the IBM System x3950 M2
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