Before deleting the volume, delete the relationships for which it is the destination endpoint, and release the source information for relationships for which it is the source endpoint using 'snapmirro...Before deleting the volume, delete the relationships for which it is the destination endpoint, and release the source information for relationships for which it is the source endpoint using 'snapmirror release'." Before deleting the volume, delete the relationships for which it is the destination endpoint, and release the source information for relationships for which it is the source endpoint using 'snapmirror release'.