An LDEV cannot be deleted successfully if it is:
•
In the defined path (including the pair volumes of Continuous Access Synchronous, High
Availability, and Continuous Access Journal).
•
A pool-VOL.
•
A journal volume.
•
A remote command device.
•
A volume security volume.
•
A quorum disk used by High Availability.
•
An LDEV that has the Read/Write access attribute.
When you delete an LDEV, the alias information contained in the LDEV is also deleted. Therefore,
if you delete an LDEV related to an alias device, you should do one of the following:
•
Allocate another LDEV to the alias device, then delete the LDEV.
•
Delete the LDEV first, then allocate another LDEV to the alias device.
For information about how to delete a registered external volume, see the HP XP7 External Storage
for Open and Mainframe Systems User Guide.
To delete an LDEV:
1.
Select one or more LDEVs to be deleted.
2.
Click
More Actions
and select
Delete LDEVs
.
3.
In the
Confirm
window, confirm the settings, in
Task Name
type a unique name for this task
or accept the default, then click
Apply
.
The LDEV is deleted.
If
Go to tasks window for status
is checked, the
Tasks
window opens.
Formatting LDEVs
If you initialize LDEVs that are being used, you will need to format the LDEVs. Read the following
topics before formatting LDEVs:
•
“About formatting LDEVs” (page 57)
•
“Storage system operation when LDEVs are formatted” (page 58)
•
“Quick Format function” (page 58)
Formatting LDEVs includes the following tasks:
•
“Formatting a specific LDEV” (page 59)
•
“Formatting all LDEVs in a parity group” (page 60)
About formatting LDEVs
The LDEV Format function, which includes Normal Format, and Quick Format. These functions
format volumes, including external volumes. Before formatting volumes, ensure that the volumes
are in blocked status.
The following table lists which formatting functions can be used on which LDEV types.
Corresponding volume
Formatting function
Internal volume
Normal Format
Virtual volume
Formatting LDEVs
57