CMMVC9371E The command failed because the I/O group specified is not in the same site as the storage pool.
Explanation
Creating a volume with a thin or compressed copy in a data reduction pool on a different site from the site of the I/O group is not allowed.
This message is displayed when an attempt is made to create a thin or compressed volume with a copy in a data reduction pool on a system that uses a HyperSwap® topology.
User response
Retry the command, specifying storage pools that are on the same site as the I/O group of the volume.