Unit Object Commands
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/cx/ux set name=
string
This command allows you to name the unit with an arbitrary name. You can
use this name in conjunction with the unit serial number to cross-reference
with the unit. The system does not check to ensure uniqueness of names, so be
careful to assign different names to each unit.
Note:
The unit’s serial number is automatically assigned when the unit is
created and is not changeable.
/cx/ux set qpolicy=on|off
This command applies only to 9550SX controllers.
This command sets the queue policy of the firmware. If the queue policy is
on
, the firmware utilizes the drive queueing policy. If some of the drives in
the unit do not support any queueing policy, this policy will have no effect on
those drives.
By default, qpolicy is
on
.
Example:
//localhost> /c0/u5 set qpolicy = on
Setting Command Queuing Policy for unit /c0/u5 to [on] ... Done.
/cx/ux set storsave=protect|balance|perform
This command applies only to 9550SX model controllers.
This command sets the storsave policy to be either
protect
,
balance,
or
perform
when the unit write cache is enabled. The default setting is
protect
.
The storsave policy adjusts several factors that control the balance between
protection and performance on a unit. There is a trade-off among the available
settings. The following description about the settings should help you to
decide which one is suitable to you and your application. You will find further
discussion of this setting under “StorSave Profiles” on page 16.
protect
provides the maximum data protection among the controller settings.
When storsave is set to
protect
mode, it means:
When the unit becomes degraded, the write cache will be disabled.
Write journaling is enabled. All data flushing from controller cache will
be flushed to media.
Incoming FUA (Force Unit Access) host requests will be honored unless a
BBU is installed and enabled, in which case, they will be ignored.
perform
provides the maximum performance and least data protection of the
three controller settings. When storsave is set to
perform
mode, it means:
When the unit becomes degraded, the write cache will not be disabled.
