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5-36 Performing Universal Volume Manager Operations
Hitachi Universal Storage Platform V/VM Universal Volume Manager User’s Guide
Cautions: 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
Storage Navigator main window to update the information, and check the
current progress status.
• 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 Storage Navigator, and open the Volume Operation window.
2. Make sure that Storage Navigator is in Modify mode.
3. Right-click the product name that you want to disconnect in the Volume
Operation tree.
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.
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: If you want 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 Storage Navigator, and open the Volume Operation window.
2. Make sure that Storage Navigator is in Modify mode.