zfs

  1. [SOLVED] Should you use compressed ZFS Pools?

    Hello, I was wondering if using the compression feature on ZFS Pools is worth it. The press release of PBS states the following: And in Proxmox you can enable ZSTD compression. Usually compressing already compressed data doesn't really work that well and just creates overhead, has someone done...
  2. Migration issue - storage 'zfs1-vps1' is not available on node

    In cluster I've got two hosts. - vps1 - vps2 Each host got it local storage. - VPS1 got zfspool named zfs1-vps1 - VPS2 got zfspool named zfs1-vps2 On host VPS1 I click "Migrate" on some turned off VM/CT and click OK. There is always an error: Task viewer: CT 31337 - Migrate 2020-10-24...
  3. Proxmox ZFS SSD Disks

    Hello One of our Proxmox dont see what disk type our ssds are they are in a ZFS (Raid1 conf)
  4. r720xd. h310 passthrough failure

    Hey guys, Thought I would come on here to ask this question. Just got a new r720xd, and installed proxmox on it. I am trying to passthrough my h310 (it mode) raid card through to a freenas machine. I followed all steps in the documentation to passthrough my raid controller. Everytime I...
  5. [SOLVED] ZFS - Belegter Speicherplatz größer als tatsächlich verwendet

    Hallo zusammen. Aus 4x 3TB HDDs habe ich einen RAIDz1 Pool erstellt, wodurch 7.7 TiB verfügbar sind. Den Pool nutze ich u.a. als Storage für zusätzliche Festplatten in den VMs (aktuell nur Dateien von der NAS-VM). Ein df -h innerhalb der NAS-VM zeigt eine Belegung von knapp 3 TB. Die Proxmox...
  6. How proxmox makes zfs snapshots on vm with several disks ?

    Hello. pve-manager/6.2-4/9824574a (running kernel: 5.4.34-1-pve) I have VM with 2 disks: mega/vm-101-disk-0 mega/vm-101-disk-1 ZFS docs says: "Recursive snapshots are created quickly as one atomic operation. The snapshots are created together (all at once) or not created at all. The benefit of...
  7. Is it possible to compile pve-kernel without the ZFS module?

    Hello. I've been using ProxMox compiled from source for a while now, and wanted to know if it is possible to compile pve-kernel without ZFS on Linux. That is, completely remove ZoL from the compilation process, and use the native/default file system solution instead. I'm asking because I've...
  8. how do I improve my zfs random 4k performance?

    Hi, I installed proxmox using ZFS RAID0 on my nvme. root@pve:~# zpool get all NAME PROPERTY VALUE SOURCE rpool size 464G - rpool capacity 0%...
  9. Proxmox installation choices for storage

    Hello, I am planning a migration of our infrastructure to Proxmox asap. I am having some difficulty choosing how to store VMs and application's data. So I am writing this post to have some advices from your part. What I would like is the possibility of having a cluster, as online/redondant as...
  10. NVME over Fabric

    Hi We are using our Proxmox with a storage that connects over fabric using Mellanox driver We also use Nvmesh as our storage management software therefore we can see the volume as local and we are using it as a LOCAL ZFS file system , the problem is that proxmox doesn't see it as shared...
  11. Help deciding how to share ZFS pools across my home network?

    I have two ZFS pools with multiple mount points for various datasets. I want to share those across my home network. In reading around there seem to be a lot of ways to do that and no consensus so I thought I'd try to explain my use case and get advice. I mainly run linux machines, but I do...
  12. Raid and OS disk.

    Hi, I am quite new to Proxmox and can't find the best solutions for my installation. I'm running FreeNAS today on an old server with 3x RAIDZ-1. This will I import to Proxmox. My server is Supermicro X9DRi-F, 2x E5-2620 v2 128GB RAM. I will import 2x 8x2TB RAIDZ-1 and 1x 4TB RAIDZ-1 I have...
  13. Error COMRESET failed (errno=-16) when installing Proxmox

    Hi everyone ! I made a fresh Proxmox install yesterday. The system is installed on a SSD, no issue here. After that i created a mirrored Zpool (Raid1) with 2x 1To HDD (a Toshiba and a brand new WD). When creating the zpool, it failed and the error ata6: COMRESET failed (errno=-16) appears. The...
  14. Best practice Boot drive ZFS replication

    Hi, I have installed proxmox on a dell r320 with zfs raid-1. this seems fine, and i am able to remove a drive and everything works fine. doing further tests it doesn't wo work to simply insert a blank drive and attach it to the zfs pool - boot partition is not synced in this case. cloning the...
  15. ZFS pools not mounting correctly

    Hello, after changing the physical case of my ProxmoxVE Server (due to upgrade reasons), my ZFS pools arent mounted properly. I have two pools, rpool and data as seen here NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT data 3.62T 211G 3.42T -...
  16. [SOLVED] How to migrate container from one node to another, each with it's local storage

    So here's the setup in a nutshell: two nodes: node1, node2 in a cluster cluster is healthy and running the latest version of PVE, all updates applied node1 storages: local, local-zfs, pool1 node2 storages: local, local-zfs, pool2 The question is: how do I move a container that runs on node1...
  17. Accessing ZFS pool in VM

    Hi! I'm quite new to Proxmox, although I have some Linux experience previously, and I haven't found any working way to access my existing ZFS pool from an OpenMediaVault VM. Ideally, I'd like OMV to get access to the disk space directly without having to do a network share; this is purely based...
  18. [SOLVED] Moved Datastore to remote PBS server via ZFS Pool Split

    Hi Everyone, I just wanted to let everyone know about the method I used to seed the Datastore on a remote Server. Overview of setup 1. Local Server has 2 ZFS Datapools - Data Pool (dpool) and the Backup Pool (bpool) 2. bpool is made up of a mirrored pair of drives. 3. The BPS datastore is on...
  19. Move storage with CT without restore backup

    Hi, I'm planning to replace hardware of my Proxmox node. Currently multiple Containers with total of few TB are located on 2x 6TB HDD with ZFS storage called just "local4". I know that safest way will be create full Container Backup, shutdown node, move my disk to new machine and then restore...
  20. Lost data restoring CT backup, trying to recover. Please help.

    Took a backup of a container in PVE, changed a few configs on the original but they didn't work out. Did a restore from the backup which only restored the system vdisk, but erased the mounted data vdisk. Apparently the backup process didn't backup the /data mount. The system vdisk was mounted /...

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