zfs as root fs

  1. N

    Installing Proxmox on Minipc: Partitioning and ZFS Configuration Tips

    Hey everyone, I'm hoping someone can help me out here. I'm looking to install Proxmox on my Minipc for the first time. My hardware specs are 16 GB RAM and a 512 GB NVME drive. I plan to use Proxmox for Plex (in LXC containers), a few other LXC containers, and 2-3 virtual machines...
  2. Denny Fuchs

    PVE7: VMs stopping, because Host ZFS is full (rpool/ROOT/pve-1)

    Hello, since a few days, we have on a PVE7 - standalone - host the strange issue, that VMs stuck and not responding (host unreachable) anymore. The root cause seems to be, that the host "/" is getting full: Some envs: Debian Bullseye pve-manager/7.4-17/513c62be Filesystem Size...
  3. M

    ZFS & proxmox-boot-tool

    I installed Proxmox 7.x through the ISO on a Hetzner test server on ZFS with 4 HDDs. When upgrading to Proxmox 8, I encountered the documentation on switching to proxmox-boot-tool again (https://pve.proxmox.com/wiki/ZFS:_Switch_Legacy-Boot_to_Proxmox_Boot_Tool) but I'm not sure if I'm...
  4. I

    Proxmox ZFS on Root Problems

    Hey so thank you ahead of time for reading this. So in my homelab I run a 3 node Proxmox and Ceph cluster with all 3 nodes each running on a 2 SSD drive ZFS mirror. About a week ago one of my nodes had a kernel panic, I'm kicking myself that I didn't take a screen shot but I rebooted and haven't...
  5. A

    [SOLVED] Replace ZFS root disk

    I am running zfs raid6 in proxmox 6 x 4TB drive 2nvme, 1 for cache, 1 for logs 2 of the hard drives failed at the same time, I am trying to follow the steps here, https://forum.proxmox.com/threads/best-practice-for-local-zfs-disk-replacement.112188/ but I think my syntax is wrong, or doing...
  6. S

    zfs legacy filesystems

    I noticed a somewhat strange pattern on my PBS-server (v3.0) the other day: zfs listreturn over 150 variations of this: rpool/ROOT/pbs-1/dd00953160cdccc801ea28c2002435b20d374a61f0710ccbf87932b9609fe8db 148K 202G 202M legacy Not a big problem, but is it supposed to be like this...
  7. B

    ZFS on root pve works but with error

    Hi, I got a proxmox baremetal with rpool on a mirror-0 and cache. I got some error I did a scrub but there are still there. Can i fix it or I must reinstall everything ? # zpool status rpool -v pool: rpool state: ONLINE status: One or more devices has experienced an error resulting in data...
  8. D

    [SOLVED] rescue mode with root on zfs trouble

    TL;DR update. I used the ubuntu 22.04.1 ISO and things worked out great. end TL;DR update. I am running a fresh install of pve-manager/7.1-11/8d529482 (running kernel: 5.13.19-6-pve) on bare metal using a zfs mirrored root pool: rpool state: ONLINE scan: scrub repaired 0B in 00:00:02 with...
  9. I

    LVM Thin vs ZFS root pool

    I have a 2U server with a rear drive caddy that supports 2x2.5" drives. I also have 2x 500GB HDDs that I sourced from older laptops. So I thought I'd setup a ZFS mirror as my boot pool and also use the remaining space for my VMs as they would be faster since they would be local. Secondly I can...
  10. G

    local-lvm - no such logical volume pve/data

    I just installed PVE onto a new server using ZFS and added it to a cluster. I cannot use the local-lvm storage location on my new host as it shows this error: no such logical volume pve/data at /usr/share/perl5/PVE/Storage/LvmThinPlugin.pm line 219. (500) Here is the output of some of the...
  11. K

    root on zfs overlayfs issue with docker (RENAME_WHITEOUT)

    Hello, I have some LXC containers with docker running inside them. Those work well with root-on-ext4, with the required changes in the .conf files. When I do the same on root-on-zfs, I get the following messages in the console: overlayfs: upper fs does not support RENAME_WHITEOUT. overlayfs...
  12. K

    cluster with zfs and ext4 root

    I have a cluster with all nodes on ext4 root. I would like to add a few (new) nodes with zfs raid1 root. I found out that there are some issues, and I would like to know what's the best way to proceed: - The local-lvm storage shows up with a "?" on the machine with zfs root, which is...
  13. G

    ZFS root fs and special device for separate hdd

    Hello, having this hardware setup for Proxmox VE: 32GB RAM 2 x 500GB SSD 2 x 6TB HDD I want PVE to be installed on a SSD RAID1 with ZFS. LXC system files shall be stored also on that SSD RAID1. LXC data shall be stored on a HDD RAID1 with ZFS. To make use of the benefits of special devices I...


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