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Aha! I was able to recover a single node and its monitor! Back to needing to recover from a single monitor. Any assistance greatly appreciated!

I have lost all monitors at this point (2 nodes have failed). How would I go about recovering from a loss of all monitors? Thanks for your help @AlexLup

Hi all, Today out of the blue my ceph cluster had all clients disconnected. Ceph dashboard still shows healthy (lies), but proxmox shows both my vm storage (based on rdb) and cephfs as in an "unknown state". When I started to dive in further, I found that on every node, ceph health hangs. osd's...

I hit this again the other day, which resulted in me regretting not writing down clearly what I did to resolve it. To reproduce this issue: 1. Add a new proxmox node, but before adding it to the cluster, install and configure ceph (the key part here is that you completed the configuration) 2...

I saw this behavior after a node crashed and needed to be completely replaced (somewhat of a long story that is not fully relevant). When bringing up the new proxmox replacement node, I noticed the following: The systemd service for the nodes monitor was enabled and running but intermittently...

Thanks @Stoiko Ivanov for the documentation reference!

@sg90 this is exactly what I ended up doing. Thanks! @dietmar unfortunatly I did not have a backup and only had the vm disk in ceph rbd storage.

I lost a node that contained all of my vm templates. Unfortunately, vm templates are tied to a node, so though the underlying images still exist in my ceph pool, I can no longer use them from the proxmox ui (they can be seen with rbd ls -p <pool>. What is the recommended approach to resolving...

I found out the answer to my issue on my own, but I thought I'd post it for others. I was editing the wrong corosync.conf file. I needed to edit the cluster synced version in /etc/pve/corosync.conf. Once I did this and restarted corosync, pveproxy, and pve-cluster, the cluster appeared again in...

I have a 3 node hobby cluster running on lenovo rd330's with ceph across all three nodes. I recently had disk failures in one of the nodes that required it be completely replaced. I reinstalled the node and went to add it to the cluster, however the old node was still being shown in the cluster...