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

CHAPTER 4 PCI Card Hot Maintenance in Red Hat Enterprise Linux 6
4.5 IOU hot remove
[size=50G][features=0][hwhandler=0][rw]
¥_ round-robin 0 [prio=2][active]
¥_ 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.

4.5.2 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. Log into the MMB Web-UI using Administrator privileges.
3. 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 >
4. Perform "show dynamic_reconfiguration status" command and confirm below messages.
Example: When removing IOU3 from partition 1.
"Removing IOU#3 from Partition#1 completed." or "not executed."

4.5.3 Operation after IOU hot remove

This section describes the process and operation after IOU hot remove.
Note
If SVAgent is installed in the partition, perform below command with root privilege.
# /usr/sbin/srvmagt restart
IOU removed from the partition has become "free state" where it does not belong to any partition. You can
perform below operations:
- Pull up the IOU from the cabinet physically.
- Integrate the IOU into other inactive partition.
- Hot add the IOU into other active partition.
Perform the necessary post processing (such as re-starting an application) for the operations performed for
the higher-level applications in
[active][ready]
[active][ready]
[active][ready]
4.5.1 Preparation for IOU hot
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remove.
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