Hitachi XP P9500 User Manual page 188

16 If LUN security has been set up for the storage system, delete the WWN
.
of the previous HBA from the LUN security.
17 Execute the following command to check the path information:
.
# /usr/DynamicLinkManager/bin/dlnkmgr view -path
For details about the path information, see
page
Notes
• If you replace all HBAs for a volume group without following the above
procedure when all the following conditions are satisfied
group cannot be activated after the host is restarted:
¢
¢
#
To activate a volume group, perform the following:
¢
¢
a
.
b
.
c
.
d
.
e
.
f
.
4-26
6-30.
The host was shut down while a volume group was active, and the
volume group consisted of hdisks that had paths going through the
HBAs to be replaced.
The hdisk reservation policy for the hdisks that make up the volume
group has been set to PR_exclusive.
If you replace some HBAs for the volume group, after the host is
restarted, the volume group is activated and the paths going through
the new HBAs are added. However, the paths that go through the old
HBAs remain defined, so delete such paths as necessary.
For a volume group comprising rootvg
Clear the reservation for the applicable LUs from the storage system
or other servers.
For a volume group other than rootvg
If LUN security has been set up for the storage system, add the
WWNs of the new HBAs to the LUN security.
Start the host.
Execute the following command to delete the HDLM devices on the
paths that go through the old HBAs:
# rmdev -dl hdisk-name
n indicates the instance number of the HDLM device.
If LUN security has been set up for the storage system, delete the
WWNs of the old HBAs from the LUN security.
Execute the following command to reconfigure the devices:
# cfgmgr -l fcsn
Specify the device name of the PCI slot (fcs device) where each HBA
has been replaced. n indicates the instance number of the fcs device.
Execute the following command to check path information:
# /usr/DynamicLinkManager/bin/dlnkmgr view -path
HDLM Operation
Hitachi Dynamic Link Manager User Guide (for AIX(R))
view (Displays Information) on
#
, the volume