Oracle X6-2-HA Deployment And User's Manual page 362

oakcli diskwritecache
Use the oakcli diskwritecache command to locate disks with write cache enabled
and to disable disk write cache for those disks.
Enabled write caches should be disabled as soon as downtime for Oracle Database
Appliance can be scheduled. During the downtime, use this command with the
disable option for each disk, in turn, that has an enabled write cache.
Syntax
oakcli diskwritecache [disable disk_name | enable disk_name | status ] [-h]
Parameters
Parameter
disable disk_name
enable disk_name
status
-h
Example 14-12
Show the write cache status of all disks:
oakcli diskwritecache status
oakcli locate disk
Use the oakcli locate disk command to locate the physical disk that is associated
with a named Oracle ASM disk by turning the disk's LED light on or off.
Syntax
oakcli locate disk diskname [on|off][-h]
Parameters
Parameter
diskname
on
off
-h
Description
(Optional) Disable disk write cache for named disk.
(Optional) Enable disk write cache for named disk.
(Optional) Show the write cache status of all disks.
(Optional) Display help for using the command.
Displaying the Write Cache Status of Disks
Description
Name of the Oracle ASM disk to locate
(Optional) Turns on the LED of the named disk
(Optional) Turns off the LED of the named disk
(Optional) Display help for using the command.
Chapter 14
oakcli diskwritecache
14-27