<size> Size of the IM volume in Mbytes or “MAX” for the maximum size available.
[qsync] Quick synchronization of the volume created.
[noprompt] Eliminates warnings and prompts.
Operation
Once a disk has been added to an IM volume, all of its storage capacity may or may not be used
depending on drive capacity and volume capacity. For example, if you add a 36 GB disk drive
to a volume that only uses 9 GB of capacity on each disk drive, the remaining 27 GB of capacity
on the disk drive is unusable.
The disk identified by the first SCSI ID on the command line is assigned as the primary disk drive
when creating an IM volume. If the SAS controller is allowed to resync the disk drives, the data
on the primary disk drive is available by accessing the newly created volume.
Using the AUTO Command
The AUTO command automatically creates an IM volume on the SAS controllers. The volume is
created with the maximum number of disks available for use in the specified volume type. The
main difference from the CREATE command is that with AUTO command user does not specify
SCSI ID values for disks to use in the volume. The cfggen utility automatically uses the first disks
it finds that are usable in the IM volume. Firmware and hardware limitations for the family of
controllers limit the number of configurations that are possible.
Syntax
cfggen <controller #> auto <volume type> <size> [qsync] [noprompt]
Parameters
<volume type> Volume type for the volume to be created. Valid value is IM.
<size> Size of the RAID volume in Mbytes or “MAX” for the maximum size available.
[qsync] Quick synchronization of the volume created.
[noprompt] Eliminates warnings and prompts.
Operation
When AUTO creates an IM volume, the first disk found is assigned as the primary disk drive. If the
controller is allowed to resync the disk drives, the data on the primary disk drive is available by
accessing the newly created volume. ReplyYesif you want to complete the creation.
HOTSPARE
The HOTSPARE command creates a hot spare disk drive. The hot spare drive is added to hot spare
pool 0.
Syntax
cfggen <controller #> HOTSPARE [DELETE] <Encl:Bay>
Parameters
<controller #> A SAS controller number between 0 and 255.
[DELETE] Specifies that the hot-spare is to be deleted (Omit the DELETE keyword to
specify hot-spare creation).
<Encl>:<Bay> Enclosure number and Bay number that identifying the disk drive that will
become the hot spare.
Operation
The number of disk drives in an IM array plus the hot spare disk cannot exceed three. You can
create only one hot spare disk. You must make sure the capacity of the hot spare disk is greater
HP 8 Internal Port SAS HBA (SAS Controller) 295
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