zfs

  1. M

    ZFS Storage Size Reported in GUI & CLI

    I have a freshly formatted set of 4 1TB disks in RaidZ2. the GUI under node->Disks->ZFS shows 4.09TB, while the node->local-zfs->Summary shows 1.92TB. Here's output of zpool list #zpool list NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT...
  2. P

    PVE limitations with encrypted ZFS datasets

    Hi all, I recently stumbled when trying to migrate a VM from a node with an encrypted ZFS dataset to a node without encryption: ``` cannot send nvmepool/vm-310-disk-0@__migration__: encrypted dataset nvmepool/vm-310-disk-0 may not be sent with properties without the raw flag ``` It's not a...
  3. P

    I/O errors in LXC containers on ZFS. Backups fail, requiring restore.

    I've been chasing a ghost since upgrading to proxmox 8.3 (correlation is not causation, so I can't point to 8.3 just yet). Random LXC containers start to exhibit i/o errors. This is only "noticed" when a nightly backup runs as it then errors, but fails on those specific LXC's. The storage is...
  4. G

    Damaged SSD after installing Proxmox with ZFS?

    So I have this weird behavior after installing Proxmox 8.3.0 in two ThinkCentre M910Q's that are equipped with a 4TB SSD each. The machines came with a Windows pre installed which seemed to be working fine. I booted into the install ISO and installed Proxmox 8.3.0 (latest ISO download as per...
  5. A

    Panic - Error 61 from traverse dataset destroyed

    I tried to delete an unused container volume from a degraded zfs pool last night and rebooted the server afterwards. On boot the server is hanging with the following error "Panic: Error 61 from traverse_dataset_destroyed" I can get back into the server if I either disable the ZFS pool or...
  6. D

    Two+1 nodes setup

    I have a minsoforum ms-01 i9-13th gen and I plan to get another ms-01 but i9-12th gen as a secondary node. I use ZFS and I am trying to achieve extra head room along with zfs replicaton/HA. I know I need a third node to achieve quorum. So... I have another mini pc N5105 laying around but...
  7. A

    ZFS dataset empty after reboot

    Hello, I've updated to Proxmox 8.0.3 some days ago and yesterday after rebooting the server using the reboot command, one of my zfs datasets is now empty (the other dataset on the same pool are fine). NAME USED AVAIL REFER MOUNTPOINT ssd-raid/storage 705G 732G 704G...
  8. F

    abnormal (17GB!) RAM usage on idle (ZFS ARC capped at 2GB)

    Hi everyone, i'm having issues with abnormally high RAM usage from boot. My server has 32GB of total memory and i'm autostarting 4 lxcs with about 2.5Gb of total ram use. ZFS arc is configured to 2GB as per: options zfs zfs_arc_max=2147483648 and is verified by issuing root@neuromancer:~#...
  9. M

    Upgrade eines ZFS Mirrors: Welche Methode ist effizienter?

    Hi, ich betreibe privat einen Proxmox Cluster mit 2 Nodes, jeweils AMD CPU (4vCPU), 32GB RAM, 1 NVMe SSD für OS, 2x HDD als ZFS Mirror für Daten / VMs. Die Nodes sind weitestgehend identisch mit Ausnahme der Festplatten: In der "guten" Node arbeiten 2x 4TB WD RED 3,5" HDDS, in der "schlechten"...
  10. D

    PVE installation not bootable anymore, recover of ZFS based VM possible?

    Hi, after some broken apt upgrades the installation is not bootable anymore (8.0). Is there any way to rescue a ZFS based VM stored on a local ssd? I fear a reinstallation cause this will erase the ssd fully a repair installation also didn't succeed (unable to find the existing installation)...
  11. S

    ZFS ARC in memory usage graph.

    Hi there. Some time ago, I read that if someone wants better monitoring, then they need to set up specialized monitoring software and not rely on PVE graphs. Nevertheless, I do believe that ZFS users without monitoring software (like me) could benefit from showing ARC size in a memory usage...
  12. C

    no free space available

    I have an issue were the server keeps using all available space. How do i found out what is taking up the space? Also, were are backups stored, local backups. i backed i a number of vms locally but i do not know where those backups are. I want to copy those backup off the server.
  13. J

    ZFS nightmare

    Precursor My cluster consisting of 2 PVE hosts and a qdevice have been happily running for months, no issues. Last weekend I saw there were updates (it's my homelab, so pve-no-subscription updates), I ran them on both hosts, rebooted and everything seemed fine. Then I tried to use an USB...
  14. M

    [SOLVED] ZFS Suspended

    Hello I have an issue with my Proxmox Backup Server. When I boot the PBS normally, the ZFS status shows "Suspended". However, if I boot the PBS in recovery mode and then proceed with "CTRL D," everything works fine, and the ZFS is online. What could be causing this? This is the current...
  15. 3

    Discard and SSD emulation on internal ZFS-pools

    Hello I want to open this thread because all other threads, that I found, did not mention my use-case. Again, it is about the discard and ssd-emulation option because I don't get it. My current setup hast two internal zfs pools. Created with Disks -> ZFS -> create: ZFS One is SSD and the...
  16. B

    ZFS RAIDZ1 erweitern

    Hallo Zusammen, ich betreibe aktuell Proxmox 8.2.6 auf einem Mini-PC mit einem AMD Ryzen und 64GB RAM und einer 1TB NVMe. An diesem Mini-PC ist ein USB-Dock mit 4 HDD-Slots via USB3 angeschlossen. Ich konnte die Festplatten auch im Proxmox einrichten, jedoch hatte ich zum testen erst mal ein...
  17. CH.illig

    AULTING_MODULE: fffff80133220000 vioscsi

    I have a Windows Server that crash every view weeks Virtio Guest agent and driver was installed with 0.1.252 and now 0.1.262 (in this Log) on the memory dump, i got the following error: 9: kd> !analyze -v ******************************************************************************* *...
  18. P

    Clone of virtual machine snapshot fails due to UEFI disk and TPM state

    Good morning dear Proxmox community, unfortunately I am facing an issue. I have a Windows 11 machine with of course an EFI and a TPM disk. I just tried to clone the latest snapshot via the GUI so that I can fiddle around without risking my running VM. Unfortunately this clone fails with the...
  19. J

    Proxmox raid 1 ZFS

    Hello, I would like to know the recommended default block size for the local-zfs storage when installing Proxmox in RAID 1. Could you please provide me with this information? Thank you in advance for your assistance.
  20. T

    When zfs-2.2.6 in Proxmox Backup?

    Hi, Is there any information about implementing a newer version of ZFS, specifically at least zfs-2.2.6, in Proxmox Backup Server? In Proxmox Virtual Environment there is zfs-2.2.6 [11-11-2024]. I mean the "RAIDZ Expansion" function that allows you to expand the "tank" with another disk, the...

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