Deleting a Metro Mirror relationship using DS CLI

Complete this task to delete the Metro Mirror relationship between a source and target volume.

You can use this task to delete the relationship between a Metro Mirror volume pair. The source and target volumes are removed from the configuration when this process runs.

The rmpprc command removes a remote mirror and copy (formerly PPRC) volume pair relationship.

Perform the following steps to delete the Metro Mirror relationship with DS CLI commands. The example commands in this task are shown in two formats. The first format shows the type of information that the command requires. The second format provides the command with declared values for the variables.

Issue the lspprc command to generate a report of Metro Mirror relationships. This can help you determine which Metro Mirror relationship that you want to delete. Enter the lspprc command at the dscli command prompt with the following parameters and variables:
dscli>lspprc -dev storage_image_ID -state -remotedev storage_image_ID SourceVolumeID:TargetVolumeID

Example
```
dscli>lspprc -dev IBM.1750-68FA120 -l -remotedev IBM.1750-68FA150 0100:0100
0101:0101  
```
Issue the rmpprc command to delete the Metro Mirror relationship between the source and target volume. Enter the rmpprc command at the dscli command prompt with the following parameters and variables:
dscli>rmpprc -dev storage_image_ID -remotedev SourceVolumeID:TargetVolumeID

Example
```
dscli>rmpprc -dev IBM.1750-68FA120 -remotedev IBM.1750-68FA150 0100:0100
```
Notes:
1. If you delete a Metro Mirror volume pair with the source LSS and the process runs successfully, the source and the target volume go into the simplex state.
2. If you delete a Metro Mirror volume pair with the target LSS and the process runs successfully, the source volume is in the suspended state, and the target volume is in the simplex state. This option is useful in a disaster situation when the source (local) site has failed.