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Compaq HSZ80 Array Controller ACS Version 8.3 Configuration and CLI Reference Guide
To create a partition, specify a percentage of the container’s total capacity. The entire
container is then divided into segments equal to the percentage specified. For
example, if SIZE=20, the container is divided into five (1.0/0.2=5) equal segments.
The resulting partition is slightly smaller than the size specified because metadata
also occupies some of partition’s allocated space.
Specify LARGEST in the following situations:
■ To have the controller create the largest partition possible from unused space on
the disk or storageset.
■ To create the last partition on a container. Because the remaining space is not
equal to an exact percentage value, specifying LARGEST allows you to optimize
use of the remaining space.
CAPACITY=
CYLINDERS=
HEADS=
SECTORS_PER_TRACK=
CAPACITY may be specified 1 to the maximum container size (in blocks);
CYLINDERS may be specified 1 to16,777,215; HEADS may be specified 1 to 255;
and SECTORS_PER_TRACK may be specified 1 to 255.
NOTE: These are used to set the SCSI parameters reported to the host. They
should not be used unless there is a compatibility problem with the existing
defaults.
The geometry parameter switches for the INITIALIZE command are ignored when
you create partitions. The parameters supplied with the CREATE_PARTITION
command are used by the unit.