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  1. Z

    Proxmox cluster in limbo

    Hi all - I have a Proxmox 7 cluster in a state that has me concerned. Everything on them was running. Then I couldn't access the web interface. So I tried restarting pveproxy. The restart command hangs. Anything I do with qm hangs. pvecm status shows all nodes are up and I have quorum. I...
  2. Z

    Proxmox CT on zfs?

    When I go to create a CT it doesn't give me the option to use the zfs store, only the local dir. Is this expected behavior?
  3. Z

    Removing a stale virtual disk

    I have a detached disk I cant' get rid of. In my storage view for ceph I see vm-100-disk-0. I click remove and it refuses because vm 100 exists. I go to the hardware tab, and the only disk is local-zfs:vm-100-disk-0 (which is what I want, as I'm moving things off of ceph to reconfigure my...
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    Moving a disk using wrong network device

    I'm moving virtual disks from a FreeNAS box to local-zfs storage. The freeNAS machine I'm migrating from is on 10.0.1.108/24 (storage network) The machine I'm migrating to has: vmbr0: 10.0.0.111/24 (management network) vmbr1: (public ip + gateway) bond0: 10.0.1.111/24 (storage network) In my...
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    Hyperconverged setup advice

    I have a 2U rack server with 4 nodes. Each node has: 2 CPUs, 6 cores, hyperthreaded (24 total) 128GB RAM 2x 1GB + 1x 10GB NIC 3x 4TB WD Gold 2 NVMe slots I'm migrating from an old cluster involving multiple FreeNAS boxes and a big mess. Currently I have set up a couple nodes with a 3 way...
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    Wrong disk size inside VM

    I had an issue growing a disk. It is on LVM. I tried increasing the disk from 300GB to 400 via GUI. I got permission denied. After trying a few things, I found I was missing quorum. Fixed that. Increased disk size via GUI. Now it reported 700GB. Ugh. Ok. It's because I ran the command to...
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    Running postgres and reducing I/O overhead

    I'm wondering what the best way to virtualize database (specifically postgres) loads is. The use case in question requires as few I/O bottlenecks as possible. I'm using local ZFS storage on the host and understand if I tune it to 8k records as well as setting Postgres to 8k records you can...
  8. Z

    Mounting zfs backups

    I have some VMs running with disks on zvol in Proxmox. I am using sanoid/syncoid to push zfs snapshots to a FreeNAS box as backup - but I'm curious if I can mount the snapshot read only and extract single files. The filesystem on the VM is ext4 if that matters. Purely educational at this point...
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    Rate limit storage migration

    I'm wanting to move some VM HDDs between local and network storage but doing so causes the storage network to saturate and VMs to crash. Can I live migrate but limit it to say 50MB/s? Does rate limiting the drive accomplish this?
  10. Z

    Safely move HDDs live [Proxmox 3]

    I've had issues in the past moving HDDs from one storage to another. If the HDD is large (say 200GB), it seems to be an issue of saturating the network connection for a long period can cause issues with other VMs going read only (or worse). Is there a sane way to rate limit these operations...
  11. Z

    Designing my network(s)

    Hi all, I'm doing some upgrades to my network. I've got my servers ready but not sure what/how much traffic goes through for each piece of the puzzle. I have 4 Proxmox boxes and 2 FreeNAS boxes. On the Proxmox boxes I was thinking of setting up with (all GbE): (When I say +x it indicates...
  12. Z

    Can't keep cluster together after removing node

    I have a cluster of 4 machines that is temporarily 1 short due to needing to test the RAM on it. After shutting it down and removing it from the cluster using instructions from the wiki, my cluster splits. Node 1 is by itself (no quorum, expected 3 quorum 2 total 1) Node 2 was removed...
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    Hard drives blank after migration

    I added a new server to my cluster today. It went from 2 nodes to 3, with a few hiccups but overall it seemed ok at first. One of my nodes was having random reboots so I wanted to be able to pull it and do RAM tests. I moved a couple hard drives that were on local storage to an NFS volume. I...
  14. Z

    401 Errors on enterprise repos with active registration

    Hi there, My server is running Proxmox 3.1-3, recently upgraded from 2.x. I am unable to do apt-get update without receiving a 401 from the enterprise repos. I have other machines in the same cluster that work fine. Is somehing wrong or perhaps there's a time delay? Ive tried rebooting to no...