All, While rebooting one of the Ceph cluster nodes this morning, the cluster got into an inconsistent state blocking I/O requests for some VMs. This started at around 9:20AM PDT (1620 UTC) and was resolved around 9:40AM PDT (1640). Prior to rebooting the machine I was performing an upgrade on the Ceph cluster from the Nautilus to Mimic release. The cluster seemed to be in an OK state after performing an upgrade, however after rebooting one of the nodes I ran into this issue.
I'm going to continue rebooting the remaining nodes one at a time and hopefully the same issue doesn't happen again. Sorry for any issues this may have caused. I'll send any further updates as they are needed. Thanks- -- Lance Albertson Director Oregon State University | Open Source Lab
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