Disconnecting an, Individual external, Volume (disconnect – HP XP External Storage Software User Manual
Page 90: Volume)
Caution:
The cautions on the Disconnect Subsystem command and the Disconnect Volume command are
as follows:
•
After you have executed the Disconnect Subsystem command or the Disconnect Volume command,
click the Refresh command ( ) on the Remote Web Console main window to update the
information, and check the current progress status.
•
If you execute the Disconnect Subsystem command or the Disconnect Volume command when
I/Os from the open system host are in progress, the host I/Os to the specified volume are forcibly
stopped. When you execute the Disconnect Subsystem command or the Disconnect Volume
command, stop the host I/Os and unmount from the host.
•
If the volume is online from the mainframe host, the Disconnect Subsystem command or the
Disconnect Volume command cannot be executed. Stop the host I/Os to the volume and perform
the Vary Offline operation.
•
The Disconnect Subsystem command or the Disconnect Volume command cannot be executed
for external volumes that are set as the pair of Business Copy, ShadowImage for Mainframe,
Continuous Access Journal, Universal Replicator for Mainframe, Continuous Access, TrueCopy
for Mainframe, or XP Snapshot. However, if the pair status is PSUE, these commands can be
executed. When the external volume is set as a pool volume (pool-VOL) and the status of that
XP Snapshot pair is PAIR, these commands can be executed.
•
The Disconnect Subsystem command or the Disconnect Volume command cannot be executed
for external volumes including the LDEVs for which the migration processing of Auto LUN is in
progress.
•
When the Disconnect Subsystem command or the Disconnect Volume command is executed, the
displayed information for Ext. VOL Status in the Volume Operation window becomes Cache
Destage. Even if there is no data left in the cache memory, the displayed status remains as
Cache Destage, until the processing of the Disconnect Subsystem command or the Disconnect
Volume command has been completed.
•
When the Disconnect Subsystem command or the Disconnect Volume command is executed and
all the data in the cache memory is written to the external volume, the displayed information for
Ext. VOL Status in the Volume Operation window becomes Disconnect.
Disconnecting All External Volumes (Disconnect Subsystem)
To disconnect all the external volumes in the external storage system at once:
1.
Start Remote Web Console, and open the Volume Operation window.
2.
Make sure that Remote Web Console is in Modify mode.
3.
Right-click the product name that you want to disconnect in the Volume Operation tree.
A pop-up menu is displayed.
4.
Click Disconnect Subsystem in the pop-up menu.
The settings are displayed in blue and italics.
5.
Verify the settings in the Preview dialog box (see “
6.
Click Apply in the Volume Operation window.
The settings are applied to the local storage system and the Volume Operation window is
displayed normally. When an error occurs, an error message is displayed. Verify the details
in the Preview dialog box.
Caution:
To access the external storage system after you have executed the Disconnect Subsystem
command, you need to execute the Check Paths & Restore Volume command.
Disconnecting an Individual External Volume (Disconnect Volume)
To disconnect an individual external volume:
1.
Start Remote Web Console, and open the Volume Operation window.
2.
Make sure that Remote Web Console is in Modify mode.
3.
Click the product name in the Volume Operation tree.
4.
Right-click the external volume that you want to change in the Volume Operation list.
90
Performing External Storage Operations