Fujitsu PRIMEQUEST 1000 Series User Manual page 156

Not in the Mirror configuration in PRIMECLUSTER GDS:
o
Unmount all the disk partitions mounted on the disk to be replaced.
# umount /dev/sdc1
# umount /dev/sdc2
.
.
.
Remarks
You need not unmount any partition operating as a raw or swap device.
5. Use the disk management command to stop the disk rotation. Stop the
disk rotation by specifying the slot confirmed in step 3.
# /opt/fujitsu/SVmco/bin/diskctrl -e ioc0/2
6. Replace the hard disk at the location indicated by the Fault LED (amber)
that is on.
7. From the above example, you can confirm that the Fault LED of slot 2 of
ioc0 is on, so the inserted hard disk is in that slot.
Turn off the Fault LED by executing the following disk management
command.
# /opt/fujitsu/SVmco/bin/diskctrl -c ioc0/2
SVmco User Guidel
148