CLI Guide

Parameter Description
owner, the RAID controller module firmware determines the
owner.
cacheReadPrefetch
The setting to turn on or turn off cache read prefetch. To turn off
cache read prefetch, set this parameter to FALSE. To turn on
cache read prefetch, set this parameter to TRUE.
segmentSize
The amount of data (in KB) 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.
usageHint
The setting for both the cacheReadPrefetch parameter and
the segmentSize parameter to be 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.
enclosureLossProtect
The setting to enforce enclosure loss protection when you create
the disk group. To enforce enclosure loss protection, set this
parameter to TRUE. The default value is FALSE.
drawerLossProtect
The setting to enforce drawer loss protection when you create
the disk group. To enforce drawer loss protection, set this
parameter to TRUE. The default value is FALSE.
securityType
The setting to specify the security level when creating the disk
groups and all associated virtual disks.
• none—The disk group and virtual disks are not secure.
• capable—The disk group and virtual disks are capable of
having security set, but security has not been enabled.
• enabled—The disk group and virtual disks have security
enabled.
dataAssurance
The setting to specify that a disk group, and the virtual disks
within the disk group, has data assurance protection to make
sure that the data maintains its integrity. When you use this
parameter, only protected physical disks can be used for the disk
group. These settings are valid:
• none - The disk group does not have data assurance
protection.
• enabled - The disk group has data assurance protection. The
disk group supports protected information and is formatted
with protection information enabled.
NOTE: This option is only valid for enablement, if the
drives support DA.
Additional Information
Cache Read Prefetch
166