Updating The Path Information After The Host Is Restarted - Hitachi XP P9500 User Manual

8 Execute the dlmcfgmgr utility (dlmcfgmgr -u) to delete the information
.
about the old paths and SCSI devices.
In the -u parameter, specify an HDevName device for which old SCSI
device information is displayed in step 9. Note that you need to execute
the utility for each HDevName device that contains old SCSI device
information.
The following shows an example of the command you execute if the
HDevName value is /dev/sddlmaa:
# dlmcfgmgr -u /dev/sddlmaa
9 Execute the view operation of the dlnkmgr command (dlnkmgr view -
.
path -hbaportwwn) to confirm that all the old information for the paths
that were placed in Offline(C) status has been deleted.
# /opt/DynamicLinkManager/bin/dlnkmgr view -path -hbaportwwn
10 Execute the dlmcfgmgr utility (dlmcfgmgr -v) to confirm that all the old
.
SCSI device information has been deleted.
# dlmcfgmgr -v
HBA replacement has been completed.
If you have restarted the host after HBA replacement, update the path
information as described in
restarted on page

Updating the path information after the host is restarted

When the host is restarted after HBA replacement, the host port numbers in
the HCTL information are set again. As a result, the information about the
paths that existed when HBAs were replaced is now old, causing the old paths
to remain in Offline(E) status. To correct this, use the following procedure
to delete the old path information:
1 Execute the view operation of the dlnkmgr command (dlnkmgr view -
.
path -hbaportwwn) to check the path status.
4-26
4-26.
HDLM Operation
Hitachi Dynamic Link Manager User Guide (for Linux(R))
Updating the path information after the host is