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  1. X

    Connection timeout by checking "summary" of the node

    I have strange problem with our cluster. Cluster works fine, no issues, I can migrate VM between each node without issues for example. I have 5 nodes from prx01 to prx05. If I login to prx02 and try to see "Summary" page of prx05 or open console on VM running on prx05 I will get "Connection...
  2. X

    [SOLVED] Proxmox fails to boot after upgrade to version 8

    Hello, we've tried to upgrade our cluster running 7-4-15 to latest 8. Pve7to8 didn't showed any problems, upgrade was fine as well. The issue is that it does not boot anymore after reboot, neither with new 6.5 kernel nor with old 5.15.x This is what I see in IPMI console, it just stuck I've...
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    [SOLVED] Problem with backup for specific LXC container

    Hello, I have proxmox with bunch of LXC containers, I do backups of them regular using "backup" option in Proxmox to my NFS share, everything works fine except one container. I always get this message. command 'set -o pipefail && tar cpf - --totals --one-file-system -p --sparse...
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    VM disk use all ZFS storage available instead of assigned space

    Hello, I have a strange problem. My Proxmox uses ZFS Raidz2 with 68 TB usable space, and has one VM with 40TB big volume. At the moment about 30 TB are already in use on this disk according to `du` running within VM. But ZFS shows that disk uses all 68TB. How is it possible? The VM in question...
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    [SOLVED] Slow ZFS performance

    Hi, this post is part a solution and part of question to developers/community. We have some small servers with ZFS. Setup is simple, 2 SSDs with ZFS mirror for OS and VM data. zpool status pool: rpool state: ONLINE scan: scrub repaired 0B in 3h58m with 0 errors on Sun Feb 10 04:22:39...
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    Options for two-node cluster for PVE 5

    Hello, with proxmox 3.x it was possible to have two-node cluster using DRBD, since 4.x two-node HA is not possible and DRBD isn't supported anymore. I think storage replication with ZFS can replace DRBD somehow, testing this right now, but what is the status with HA? I saw on forum, that...
  7. X

    Broken cluster of 8 nodes

    Hello, we have problems with our proxmox cluster, "/etc/pve" is read-only although cluster looks ok in "pvecm status" output: Version: 6.2.0 Config Version: 26 Cluster Name: BLN Cluster Id: 494 Cluster Member: Yes Cluster Generation: 40632 Membership state: Cluster-Member Nodes: 8 Expected...
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    Right permissions to stop VM with "fence_pve"

    Hi, I'm testing "fence_pve" [1] stonith agent right now, it works fine with root@pam user, but not with dedicated one. I've created new role "Stonith-role" with "VM.PowerMgmt" and "VM.Audit" permissions and attached it to hitman@pam user, I can login with this user in Proxmox GUI and...
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    Run GUI in lxc container

    HI all, general question - is it possible to run X server in lxc container on Proxmox? Fast googling shows it certainly possible, but if I start X with "startx" in debian 8 template's container I get fatal errors since /dev/tty0 does not exist, creating the later per hand doesn't solve...
  10. X

    stonith / fencing for guest VMs

    Hi guys, we are running few pacemaker cluster setups in our VMs (KVM), the problem is, sometimes resource migration doesn't work if a node is in undefined state, stonith (kill the VM) could resolve this problem, unfortunately I can't find any info if it possible with Proxmox. I know pacemaker's...
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    what is the current state of "3.10" kernel branch?

    Hello, I mean wiki says it's for testing, but the page was last edited more than year ago and 3.10 kernel is in subscription (enterprise) repository, so is it stable now? Thanks for clarification.