Hello,
You mention you have a support case open. Please do continue to work through the Support case since you have a disk-group that is quarantineed and offline. The Support team will be able to access your system and assist with de-quarantining the disk-group if that is the corrective action needed.
Cheers,
Shawn
I work for Hewlett Packard Enterprise. The comments in this post are my own and do not represent an official reply from HPE. No warranty or guarantees of any kind are expressed in my reply.