Dr Operation Of Iou Hot Remove - Fujitsu PRIMEQUEST 2000 Series Administration Manual

CHAPTER 7 PCI Card Hot Maintenance in SUSE Linux Enterprise Server 12
7.6 IOU hot remove
¥_ 3:0:0:0 sdb 8:16
¥_ 4:0:0:0 sdc 8:32
Example of DM-MP display after disconnecting path
# /sbin/multipath -ll
mpath1 (36000b5d0006a0000006a104900000000) dm-0
FUJITSU,ETERNUS_DX400
[size=50G][features=0][hwhandler=0][rw]
¥_ round-robin 0 [prio=1][enabled]
¥_ 3:0:0:0 sdb 8:16
*2: See the ETERNUS Multipath Driver User's Guide (For Linux).
FC card
1. Stop the access to FC card on IOU by such a way as stopping application.

7.6.2 DR operation of IOU hot remove

This section describes DR operation for executing IOU hot remove.
1. Execute the /opt/FJSVdr-util/sbin/dr rm IOU command from the operating system shell. The IOU to be
removal will be powered off.
Example：To power off IOU3.
# /opt/FJSVdr-util/sbin/dr rm IOU3
#
2. Execute "/opt/FJSVdr-util/sbin/dr rm IOU" command on the shell of OS.
A list of IOU included in the partition is shown. Check that IOU which is cut off is displayed as 'offline'.
Example: Cutting off the IOU 3
# /opt/FJSVdr-util/sbin/dr stat IOU
IOU0: empty
IOU1: empty
IOU2: empty
IOU3: offline
3. Log into the MMB Web-UI using Administrator privileges.
4. Execute hotremove command.
Example：When removing IOU3 from partition1
Administrator > hotremove partition 1 IOU 3
Are you sure to continue removing IOU#3 from Partition#1?
[Y/N]: Y
DR operation start (1/3)
Remove IOU#3 (2/3)
IOU#3 power-off (3/3)
Removing IOU#3 from partition#1 has been completed
successfully.
Administrator >
5. See Operation Log window or perform "show dynamic_reconfiguration status" command and confirm
below messages.
Example: When removing IOU3 from partition 1.
Operation Log window:
"I_10110 Partition1 : Hot-remove IOU#3 Completed."
show dynamic_reconfiguration status:
"Removing IOU#3 from Partition#1, completed"
7.6.3 Operation after IOU hot remove
This section describes the process and operation after IOU hot remove.
Note
[active][ready]
[active][ready]
[active][ready]
260
CA92344-0537-08