Dell PowerVault MD3260 Cli Manual page 118

Parameter
userLabel
capacity
owner
cacheReadPrefetch
segmentSize
usageHint
118
Description
Name that you want to give the new virtual disk. You must
put quotation marks (" ") around the new virtual disk name.
NOTE: You can use any combination of alphanumeric
characters, hyphens, and underscores for the names.
Spaces are not allowed. Names can have a maximum
of 30 characters.
Size of the virtual disk that you are adding to the storage
array. Size is defined in units of bytes, KB, MB, GB, or TB.
NOTE: If you do not specify a capacity, all physical
disk capacity available in the disk group is used. If
you do not specify capacity units, bytes are used as
the default. A space must be added between the last
digit and the size (MB, GB, or KB) for values greater
than 9.
RAID controller module that owns the virtual disk. Valid
RAID controller module identifier values are 0 and 1. The
identifier value is 0 for the RAID controller module on the
top and 1 for the RAID controller module on the bottom
when viewed from the rear of the enclosure. If you do not
specify an owner, the RAID controller module firmware
determines the owner.
owner parameter defines which RAID
NOTE: The
controller module owns the virtual disk. The preferred
owner of a virtual disk is the RAID controller module
that currently owns the disk group.
The setting to turn on or turn off cache read prefetch. To
turn on cache read prefetch, set this parameter to TRUE.
To turn off cache read prefetch, set this parameter to
FALSE.
Amount of data (in kilobytes) that the RAID controller
module writes on a single physical disk in a virtual disk
before writing data on the next physical disk. Valid values
are 8, 16, 32, 64, 128, 256, or 512. For information
about the segmentSize parameter, see Using The Auto
Configure Command.
The settings for both the cacheReadPrefetch
parameter and the segmentSize parameter should be
the default values. The default values are based on the
typical I/O usage pattern of the application that is using
the virtual disk. Valid values are fileSystem,
dataBase, or multiMedia.