HP XP P9500 Storage - Manual (Page 56)

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A journal volume.
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A remote command device.
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A volume security volume.
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A quorum disk.
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:
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Allocate another LDEV to the alias device, and then delete the LDEV.
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Delete the LDEV first, and then allocate another LDEV to the alias device.
For information about how to delete a registered external volume, see the HP P9000 External
Storage for Open and Mainframe Systems User Guide.
Procedure 7 To delete an LDEV
1. Select one or more LDEVs to be deleted.
2. Click Delete LDEVs.
3. In the Confirm window, click Apply.
4. In the Confirm window, confirm the settings, in Task Name type a unique name for this task
or accept the default, and then click Apply.
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:
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“About formatting LDEVs” (page 56)
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“Storage system operation when LDEVs are formatted” (page 57)
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“Quick Format function” (page 57)
Formatting LDEVs includes the following tasks:
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“Formatting a specific LDEV” (page 58)
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“Formatting all LDEVs in a parity group” (page 58)
About formatting LDEVs
The LDEV Format feature includes Normal Format, Quick Format, and Write-to-Control Blocks
functions. 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.
LDEV for open systems Formatting function
Internal volume Normal Format
Virtual volume
External volume
Internal volume Quick Format
None Write To Control Blocks
56 Configuring custom-sized provisioning