HP Array Configuration Utility 65
<target> modify [preferredpathmode=automatic|manual|?]
where <target> is a redundant controller.
Example command:
controller ch="lab 3" modify ppm=manual
Assigning a redundant controller to a logical drive
When you have set the preferred path mode ("Setting the preferred path mode" on page 64) in a redundant
system to Manual, you must use the chassisslot command to assign each logical drive in the system to
one of the redundant controllers.
Syntax:
<target> modify [chassisslot=#|?]
where <target> is a valid logical drive on a controller that is in an active/active configuration and #
denotes the chassis slot number of the redundant controller. (To obtain the chassis slot number, use the show
command on the controller.)
Example command:
controller ch="lab 3" ld 1 modify chs=2
Disabling a redundant controller
This command disables a redundant controller that is in an Active-Standby configuration.
IMPORTANT: The redundant controller cannot be re-enabled after you have disabled it.
Syntax:
<target> modify redundantcontroller=disable
where <target> is a controller that has an enabled redundant controller.
Example command:
=> ctrl ch="redundant Lab4" modify rc=disable
Changing the Rebuild Priority setting
The Rebuild Priority setting determines the urgency with which the controller treats an internal command to
rebuild a failed logical drive.
• At the low setting, normal system operations take priority over a rebuild.
• At the medium setting, rebuilding occurs for half of the time, and normal system operations occur for the
rest of the time.
• At the high setting, the rebuild takes precedence over all other system operations.
If the logical drive is part of an array that has an online spare, rebuilding begins automatically when drive
failure occurs. If the array does not have an online spare, rebuilding begins when the failed physical drive
is replaced.
Syntax:
<target> modify rp=high|medium|low|?
where <target> is a controller.
Example command:
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