VxVM vxdg ERROR V-5-1-2356 Disk group copy_oradg: upgrade failed:
DG version needs CVM protocol version upgrade
Upgrade to 5.1SP1 without upgrading the disk group protocol version. As a result, disk group version upgrade will fail.
In order to upgrade the disk group version to 160 (the default disk group version of 5.1SP1), the protocol version needs to be upgraded to 100.
vxdctl protocolversion shows the current protocol version is 90 which is version 5.1 protocol version.
Once the protocol version is upgraded to 100, the disk group version of the shared disk group can be upgraded to 160 by running vxdg upgrade command (Please refer to vxdg command manpage for command syntax).