Interesting, as writes don't go to the vSAN Witness Host. Only changes to metadata. Powering on VM's, powering them off, taking snapshots, etc.
Have you reached out to GSS to open a ticket?
I'd like to know more. Curious what type of hardware your vSAN Witness Appliance is running on.
Also, can you send me a private message with your email?
just wanna make sure there's no VMs deployed on the witness right? I mean, in that 2-node cluster, you only have two physical hosts and the witness is not in the cluster?
how many vms you deployed? whats the data disk number/size? whats the workload look like?
I deleted all disk groups and recreated them, and I haven't seen the same failure since. However, now I have a new issue, which is one that I've seen in previous testing. I'm unable to create more than three disk groups. When I create a fourth disk group, the disk group shows no disk format version and I get an Operation Health warning for that disk group. I have tested with numerous different drives, both NVMe and SATA, and it always does the same thing. I will create a separate discussion for that matter.