FMM18121E IBM Storage Protect Snapshot adapter for the XIV Storage System was not able to unmap the vol_name volume from the host_name host. The following error message was was generated by the IBM XIV Storage System: xiv_errmsg.
Explanation
IBM Storage Protect Snapshot cannot execute the XCLI command to unmap the volume from the host.
Operator response
Evaluate the IBM XIV Storage System specific error message to resolve the problem.