AMCC 9590SE-4ME User Manual
Unit Object Commands
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/c
x
/u
x
flush
This command allows you to flush the write cache on the specified unit /ux
associated with controller /cx. Note that this command does not apply to spare
unit types.
associated with controller /cx. Note that this command does not apply to spare
unit types.
/c
x
/u
x
set autoverify=on|off
This feature only applies to 9000 series controllers.
This command allows you to turn on and off the autoverify operation on a
specified unit /cx/ux during allocated schedule windows.
specified unit /cx/ux during allocated schedule windows.
You can use the show verify command to display the existing schedule
windows. By default, autoverify is off.
windows. By default, autoverify is off.
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 ony start an automatic verify task during the schedule 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 additional
information, see “Setting Up a Verify Schedule” on page 46.
hours. If verify schedule windows are set up and enabled, then the controller
will ony start an automatic verify task during the schedule 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 additional
information, see “Setting Up a Verify Schedule” on page 46.
/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
/cx/ux. This feature is supported on both 7000/8000 and 9000 models.
/cx/ux. This feature is supported on both 7000/8000 and 9000 models.
By default, cache is on.
Write cache includes the disk drive cache and controller cache. Note that for
some configuration types, there is only disk drive cache and no controller
cache (for example, JBOD).
some configuration types, there is only disk drive cache and no controller
cache (for example, JBOD).
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.
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.
The quiet attribute turns off interactive mode.
Table 8: Supported RAID Types for Caching
Model
R0
R1
R5
R10
Single
Spare
7K/8K
Yes
Yes
Yes
Yes
N/A
No
9K
Yes
Yes
Yes
Yes
Yes
No