Compaq HSZ80 manual Capacity= Cylinders= Heads= Sectorspertrack=

5–49

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.

Compaq HSZ80 Array Controller ACS Version 8.3 Configuration and CLI Reference Guide