1.
In the Remote Web Console main window, in the
Storage Systems
tree, select
Logical Devices
.
The following is another way to select LDEVs.
1.
In the Remote Web Console main window, in the
Storage Systems
tree, select
Pool
.
The pool name appears below
Pool
.
2.
Select the pool associated with the THP V-VOL that has pages you want to release.
3.
Select the
Virtual Volumes
tab.
2.
From the table, select the THP V-VOL that has pages you want to release.
3.
Click
More Actions
, then select
Reclaim Zero Pages
.
The
Reclaim Zero Pages
window opens.
You cannot release pages in a THP V-VOL when the THP V-VOL is not in a normal status or
the THP V-VOL is in the process of reclaiming zero pages.
4.
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.
After the operation to reclaim zero pages is complete, refresh the display to update the
Page Status
.
If the
Page Status
is not immediately updated, wait a while, then refresh the display again.
NOTE:
Completed
is displayed as the
Page Status
even when no pages can be reclaimed.
If you have started the reclaiming zero pages operation, and the storage system is powered off
the reclaiming zero pages operation will not automatically continue after the storage system restarts.
In any of the following cases, the reclaiming zero pages will stop, and THP V-VOL pages will not
be released:
•
LDEV formatting was performed while reclaiming zero pages.
•
The pool-VOL that is being accessed by the target THP V-VOL was blocked.
•
The pool associated with the target THP V-VOL was blocked while reclaiming zero pages.
•
Cache memory failure occurred while reclaiming zero pages.
•
The THP V-VOL was deleted when zero pages were reclaimed.
•
The initial copy operation between the Continuous Access Synchronous pair or the Continuous
Access Journal pair was performed on the THP V-VOL in which zero pages were being
reclaimed.
Stopping the release of pages in a THP V-VOL
The Storage Administrator (Provisioning) role is required to perform this task.
1.
In the Remote Web Console main window, in the
Storage Systems
tree, select
Logical Devices
.
The following is another way to select LDEVs.
1.
In the Remote Web Console main window, in the
Storage Systems
tree, select
Pool
.
The pool name appears below
Pool
.
2.
Select the pool associated with the THP V-VOL that has pages you want to release.
3.
Select the
Virtual Volumes
tab.
2.
From the table, select the THP V-VOL that you want to stop from releasing pages.
3.
Click
More Actions
, then select
Stop Reclaiming Zero Pages
.
The
Stop Reclaiming Zero Pages
window opens.
You cannot stop releasing the pages in a THP V-VOL where zero pages are not being
reclaimed.
Managing pools and THP V-VOLs
155