Syntax Applicable to Only One Logical Drive
set (logicaldrive ["logicaldriveName"] | logicaldrive <wwID>)
addCapacity=logicaldriveCapacity
[addDrives=(enclosureID1,drawerID1,slotID1 ... enclosureIDn,drawerIDn,slotIDn)]
redundancyCheckEnabled=(TRUE | FALSE)
segmentSize=segmentSizeValue
userLabel=logicaldriveName
preReadRedundancyCheck=(TRUE | FALSE)
Parameters
Parameter Description
allLogicalDrives The properties for all logical drives in the storage
subsystem.
logicaldrive or logicaldrives The name of the specific logical drive for which you
want to define properties. (You can enter more than one
logical drive name if you use the logicaldrives
parameter.) Enclose the logical drive name in double
quotation marks (" ") inside of square brackets ([ ]).
logicaldrive The World Wide Identifier (WWID) of the logical drive
for which you are setting properties. You can use the
WWID instead of the logical drive name to identify the
logical drive. Enclose the WWID in angle brackets (< >).
cacheFlushModifier The maximum amount of time that data for the logical
drive stays in cache before the data is flushed to physical
storage. Valid values are listed in the Notes section.
cacheWithoutBatteryEnabled The setting to turn on or turn off caching without
batteries. To turn on caching without batteries, set this
parameter to TRUE. To turn off caching without batteries,
set this parameter to FALSE.
mediaScanEnabled The setting to turn on or turn off media scan for the
logical drive. To turn on media scan, set this parameter to
TRUE. To turn off media scan, set this parameter to FALSE.
(If media scan is disabled at the storage subsystem level,
this parameter has no effect.)
mirrorCacheEnabled The setting to turn on or turn off the mirror cache. To
turn on the mirror cache, set this parameter to TRUE.To
turn off the mirror cache, set this parameter to FALSE.
modificationPriority The priority for logical drive modifications while the
storage subsystem is operational. Valid values are
highest, high, medium, low, or lowest.
owner The controller that owns the logical drive. Valid
controller identifiers are a or b, where a is the controller
in slot A, and b is the controller in slot B. Use this
parameter only if you want to change the logical drive
owner.
preReadRedundancyCheck The setting to turn on or turn off pre-read redundancy
checking. Turning on pre-read redundancy checking
verifies the consistency of RAID redundancy data for the
stripes containing the read data. Pre-read redundancy
checking is performed on read operations only. To turn
on pre-read redundancy checking, set this parameter to
TRUE. To turn off pre-read redundancy checking, set this
parameter to FALSE.
Note: Do not use this parameter on non-redundant
logical drives, such as RAID 0 logical drives.
Chapter 3. Script Commands 3-223
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