POWER7 information

cleandisk command

Purpose

Removes any storage pool or cluster signatures that are on the physical volume.

Syntax

Description

The cleandisk command removes any storage pool or cluster signatures that were detected on the physical volume. The physical volume specified by the -s flag has the storage pool signature removed. The physical volume specified by the -r flag has the cluster signature removed. Both the -s and -r flags are destructive to any data that exists on the physical volume.

Note: Ensure that you pass the correct hdisk. Commands are destructive to the data on the hdisk.

Flags

Flag name	Description
-r hdiskX	Specifies the logical device to be cleared of any cluster signature.
-s hdiskX	Specifies the logical device to be cleared of any storage pool signature.
-help	Displays the help text for this command and exit program.

Exit Status

See Exit status for Virtual I/O Server commands.

Examples

To clear the cluster signature from hdisk5 and to use it as a paging space device by a shared memory partition, type the command as follows:
```
 cleandisk -r hdisk5 
```
To clear the storage pool signature from hdisk6 and to use it as a paging space device by a shared memory partition, type the command as follows:
```
 cleandisk -s hdisk6 
```
To display the help text for the cleandisk command, type the command as follows:
```
 cleandisk -help 
```

Related Information

The lspv command and prepdev command.

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Last updated: Wed, June 03, 2015