Unit Object Commands
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For all 9000 series controllers running pre-9.5.1 firmware, auto-verify allows
the controller to run the verify function once every 24 hours. If verify
schedule windows are set up and enabled, then the controller will only start an
automatic verify task during the scheduled time slots. If the verify takes
longer than the schedule window, the verify process will be paused and
restarted during the next verify schedule window.
For more about setting up verify schedules, see “Setting Up a Verify
Schedule” on page 63.
/c
x
/u
x
set cache=on|off [quiet]
This command allows you to turn
on
or
off
the write cache for a specified unit
/c
x
/u
x
. This feature is supported on all controllers.
By default, cache is
on
.
Write cache includes the disk drive cache and controller cache.
The following table shows the supported RAID types for caching as a
function of controller model and logical unit type. N/A (Not Applicable)
refers to cases where the given logical unit type is not supported on a
particular controller model.
Table 11: Autoverify Behavior (when enabled)
9650SE and
9690SA with
9.5.1 or later
9650SE and
9690SA with
firmware 9.5 or
9.5.0.1
9550SX and
earlier
Basic Verify Schedule
(verify=basic)
Runs at weekly
day and time
N/A
N/A
Advanced Verify
Schedule
(verify=advanced)
Follows
Advanced Verify
Schedule
N/A
N/A
Verify Schedule is
Disabled
(verify=disable)
Runs at weekly
day and time
(Same as Basic)
Runs at any
time, as
determined by
firmware
Runs at any
time, as
determined by
firmware
Verify Schedule is
Enabled
(verify=enable)
Follows
Advanced Verify
Schedule
Follows verify
schedule
Follows verify
schedule
