Managing LU paths
You can modify the LU paths configuration with LUN Manager when the system is in operation,
but not when host I/O is in progress. Managing LU paths includes the following tasks:
•
“Deleting LU paths” (page 182)
•
“Clearing a UUID setting” (page 182)
•
“Viewing LU path settings” (page 183)
Deleting LU paths
The Storage Administrator (Provisioning) role is required to perform this task.
CAUTION:
Do not delete LU paths when host I/O is in progress.
1.
In the Remote Web Console main window, in the
Storage Systems
tree, select LDEVs using
either of the following methods.
•
Select
Logical Devices
, then select the
LDEVs
tab.
•
Select
Pools
, select a pool, then select the
Virtual Volumes
tab.
Or, select logical units using the following method.
•
Select
Ports/Host Groups
, select a port, select a host group, then select the
LUNs
tab.
CAUTION:
When an LDEV is selected and
Delete LUN Paths
is performed, all LUN paths of
the selected LDEV are deleted by default.
2.
Click
More Actions
and select
Delete LUN Paths
.
3.
In the
Delete LUN Paths
window, confirm that the LU paths that you want to delete are listed
in
Selected LUN Paths
.
If LU paths that you do not want to delete are listed, select the LU path you do not want to
delete, then click
Remove from Delete process
.
4.
If necessary, check the
Delete all defined LUN paths to above LDEVs
checkbox. When checked,
all additional LU paths on the selected LDEVs will be deleted.
5.
Click
Finish
to open the
Confirm
window.
If you want to start shredding operations to delete the data of the volume, click
Next
. For
detailed information about shredding operations, see the HP XP7 Volume Shredder for Open
and Mainframe Systems User Guide.
6.
In the
Confirm
window, confirm the settings, in
Task Name
type a unique name for this task
or accept the default, then click
Apply
.
If
Go to tasks window for status
is checked, the
Tasks
window opens.
If you delete many paths at one time, the deletion process may take time and the dialog box may
seem to hang temporarily.
Clearing a UUID setting
The Storage Administrator (Provisioning) role is required to perform this task.
You can clear the UUID setting that has been set to identify a logical volume from the host.
1.
In the Remote Web Console main window, in the
Storage Systems
tree, click
Logical Devices
,
then select the
LDEVs
tab.
2.
Select the LDEVs for which you want to clear the UUID setting.
3.
Select
Delete UUIDs
. The
Delete UUIDs
window opens.
182
Managing logical volumes