Prerequisite requirements
Before disconnecting volumes or systems, processes must be resolved or stopped, as described in the following table.
|
Activity in the external volume |
Required operation |
|---|---|
|
I/O to the external volume from the host is in progress. |
Stop I/O to the volume and un-mount the volume from the host. Host I/O is forcibly stopped if you disconnect when I/O is in progress. |
|
The external volume includes LDEVs used in a copy pair* |
Delete the pair. You can disconnect without deleting a ShadowImage pair when pair status is PSUE or Suspend/SUSPER. |
|
The external volume includes LDEVs registered to a Thin Image data pool. |
Delete Thin Image data pool. |
|
The external volume includes LDEVs registered to a Dynamic Provisioning pool volume (DP-VOL). |
Perform the following operations on DP-VOLs associated with the external volume:
|
|
The external volume includes LDEVs for which Volume Migration processing is in progress. |
Delete the migration plans. |
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* Copy software products are: ShadowImage, Universal Replicator, TrueCopy, and Thin Image. |
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