CMMVC5974E The operation did not complete because one or more volumes in the consistency group are offline or inaccessible.
Explanation
This error can occur because one or more of the source or target volumes for relationships within the consistency group is offline. The error can also be caused if one or more of the source or target volumes are inaccessible because it is participating in a FlashCopy® mapping that is prepared or incomplete.
User response
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