HP Surestore Disk Array 12h and FC60 - Manual (Page 299)

Managing the Disk Array Using Array Manager 60 299
M
a
na
ging
the
Di
sk
Array
on HP-UX
Note
After executing the above command, the disk array controllers must be
manually reset or power cycled before the new setting will be invoked. When
the power on completes, execute the following commands:
ioscan
insf -e
amdsp -R
Disabling the UTM
Although it possible to disable the UTM, it is not recommended that you do so. The benefits
provided by the UTM, such as major event logging, are not realized when the UTM is
disabled. If you want to disable major event logging, you can do so by disable the UTM.
Note
It is necessary to disable the UTM LUN before converting from firmware HP08
to ealier versions of firmware.
To disable use of the UTM, type:
ammgr -u
Note After executing the above command, the disk array controllers must be
manually reset or power cycled before the new setting will be invoked. When
the power on completes, execute the following commands:
ioscan
insf -e
amdsp -R
Managing Cache Parameters
Several cache parameters control how the disk array manages controller cache memory.
These setting have a direct influence on I/O performance. Before altering these settings,