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  1. V

    VM restarting when no quorum

    Hi all ! I have a 2-node setup, and I discovered slowness in the VM:s on the other node. During the initial tests I realized that there was a network speed issue which mirrored to all the VM:s in the current node. I then migrated all VM:s to the other node and shut down the faulty node for...
  2. V

    Resetting CEPH warnings

    Hi all! I recently updated my cluster to 6.1 and did a CEPH update at the same time. Everything went smoothly, but one monitor crashed during the setup. It was nothing special, and everything works perfectly. Anyhow, since that my cluster has been "Health_warn" state because of an error "1...
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    I broke my quorum, mis-configured corosync.conf

    Hi! I am upgrading from corosync 2 to corosync 3. I used the script to check that my settings are OK. I have a 2-ring corosync setup, and 2 of my older nodes were having the corosync ring addresses in the host file, and in the corosync.conf the host name was in use. All had worked ok, but the...
  4. V

    Cluster slowing down and cutting connection - pvesr cpu 100%

    Hi! I just updated a 3-node cluster to the latest. I'm using community support, so it's 5.4-5. Detailed info below. Quickly after updating, I found out that I cannot start a container in one of the nodes. I was migrating the vm's off from the nodes prior to restarting, and found out when I...
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    Long IOwait on CEPH, rbd device stuck on 100%

    Hi there! I think I am having a configuration issue on my cluster. It is a 3-node system with 12 OSDs and a separate DB SSD per node. The iowait on one of the hosts is way up, to 15%, while the others have around 2%. Using iostat -x, I see 5 additional devices on that node, which are "rbd0-4"...
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    Unable to start VM:s

    Hi all! I recently had a problem starting up a VM on an updated cluster (4.4 to 5.1). I did everything according to the guides, first updating and rebalancing the ceph pool and then doing a dist-upgrade one node at a time. Everything is documented very well and the process is straightforward...

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