Deleting A Path To An Existing Lu - Hitachi XP P9500 User Manual
Command suite for linux(r)
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Make sure that all the SCSI device names corresponding to the LU for
which path allocations were cancelled in step 2 are represented with a
hyphen (-) (optional).
The following is an example of executing the dlmcfgmgr utility with the -v
option:
# /sbin/dlmcfgmgr -v
The following is an example of executing the view operation with the -drv
option:
# /opt/DynamicLinkManager/bin/dlnkmgr view -drv
8
Execute the dlmcfgmgr utility (dlmcfgmgr -
.
ulogical_device_file_name_of_HDLM_device ) on all the HDLM devices
corresponding to the LU for which path allocations were cancelled in step
2 to unregister the HDLM devices.
Path information on the relevant HDLM device is deleted.
The following is an example of executing the dlmcfgmgr utility:
# /sbin/dlmcfgmgr -u logical_device_file_name_of_HDLM_device
9
Check /var/opt/DynamicLinkManager/log/dlmcfgmgr1.log or execute
.
the dlmcfgmgr utility (dlmcfgmgr -v) to make sure that the HDLM device
that corresponds to the deleted LU was deleted.
The following is an example of executing the dlmcfgmgr utility:
# /sbin/dlmcfgmgr -v
Deleting a Path to an Existing LU
To delete a path to an existing LU (HDLM device):
1
Stop all accesses to the relevant LU.
.
2
Use the management program of the storage system to delete a path to
.
the relevant LU.
For more information on deleting a path, see the manual provided with
the storage system.
3
When you want to delete a path to the LU without restarting the host, go
.
to step 4. When you want to delete a path while restarting the host, go to
step 5.
4
Delete the SCSI device for the path that was deleted in step 2.
.
Since the host has not been restarted, the SCSI device for the path that
was deleted in step 2 was not deleted. Execute the command for deleting
the device shown in
4-34
5
Restart the host on which the HDLM is installed.
.
4-38
Table 4-3 Adding or Deleting a SCSI Device on page
to manually delete the SCSI device.
HDLM Operation
Hitachi Dynamic Link Manager User Guide (for Linux(R))
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