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
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