zfs

  1. No email notification for zfs status degraded

    Hello, I installed zfs-zed via # apt-get install zfs-zed and edited /etc/zfs/zed.d/zed.rc to uncomment ZED_EMAIL_ADDR="root" as described here: https://pve.proxmox.com/wiki/ZFS_on_Linux#_activate_e_mail_notification zpool status is degraded, but I do not get an E-Mail. Other notifications from...
  2. How to back up a folder only

    Hello there! I'm currently in the process of planning out a system for a new setup I'm working on. This will, of course, include PVE to be the host of some Windows VMs and other smaller stuff. Also, I want to host some sort of NAS (samba-only is enough) from that same host/server machine. So...
  3. Understand LXC container's storage size

    Hi, I have an LXC container that has a big storage defined in the web UI ("900G") but the filesystem seems not to have taken the last resizes commands into account. Here is the current state of the storage: On the container: #df -h Filesystem Size Used Avail Use% Mounted...
  4. ZFS: Failed to replace failing disk

    Hi, one of my disks reported a SMART-error, so I set out to replace the failed disk - but failed. Here's what I did, as reported by zpool history, with some remark indented: 2021-04-12.09:48:43 zpool offline rpool sdc2 I removed the failed disk and shut down the system, replacing the drive...
  5. [SOLVED] ZFS performance on hypervisor vs VM

    Hello everyone, I am getting strange disk write benchmakrs compared Proxmox directly vs a Ubuntu 20.04 VM. General: 4x Non-Enterprise SATA "Seagate BarraCuda Compute 2TB, 2.5" running as ZFS RAID10. Write tests using sync; dd if=/dev/zero of=tempfile bs=1M count=20480; sync If I run this...
  6. Backup jobs over NFS - Out of options?

    Hey guys, I'm in a bit of a pickle. I'll start by going over my setup: - Storage server running TrueNas with 10Gb networking - ZFS pools - One pool with 12x 2TB drives in raidz2 (storage B) - Another pool with 3x 400GB ssds in stripe (storage A) - Single hypervisor - Boot disk is 400GB NVMe...
  7. Resource allocation for Proxmox running Ubuntu Server VM on ZFS

    I'm setting up a Proxmox VE server primarily for running an Ubuntu Server VM with several Docker services / containers for file-/media-hosting, but having the added flexibility of begin able to run additional VMs / LXC containers if required. The thought is to install Proxmox on two regular...
  8. Help expanding root ZFS rpool partition (self.Proxmox)

    One of my the drives in my mirrored root ZFS rpool died on me. I have swapped both of original drives with new larger ones. Everything went smoothly and things are running great however I am struggling with expanding the partition to utilize the space of the larger drives. I used "zpool set...
  9. mount storage in vm

    Hello everyone, I'm sure this question has been answered before but I couldn't find a solution so far. I'd be very thankful for help in form of a link to a thread that answeres my question or an answer. I created a zfs dataset which I added as storage via datacenter -> storage -> add ->...
  10. 24x2TB ZFS - Is this right?

    Hello, I am looking to setup a 24x2TB ZFS RaidZ2 array for maximum capacity. Performance is of minimal concern. I have done a decent amount of research but I just want to make sure I have optimal settings. In the Proxmox interface I have block size set to 16K as I noticed the default 8K was...
  11. [SOLVED] Apt upgrade - zfs packages kept back

    Hi, First of all thank you for that awesome piece of software! I have an issue with using apt upgrade. It says The following packages have been kept back: zfs-initramfs zfs-zed zfsutils-linux 0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded. How can I install those anyways...
  12. ZFS non-native block size after Update

    Hello, i have a zfs pool (ashift=9) and two different disks, one Seagate 4K (512e) and a Toshiba 4K (512e) My zfs setup was running about 5 months with 6.3 and after the latest proxmox update yesterday my check_mk put a warning about my zfs pool. So i looked into pve and zfs status says...
  13. ZFS pool disappeared after upgrade from 1.0.8 to 1.0.11

    I had a pool in a degraded state on a server with the following config : root@tremoctopus:~# zpool status pool: rpool state: ONLINE scan: scrub repaired 0B in 0 days 00:00:04 with 0 errors on Sun Mar 14 00:24:05 2021 config: NAME STATE...
  14. How to encrypt an existing dataset (vm disk)

    If I understand correct it is not possible to encrypt an existing dataset? What other options are there to change a vm on an unencrypted dataset to encrypted? Is it possible to create an encrypted dataset and copy the vm disk - without down time? Maybe by using snapshots?
  15. ZFS-RAID10 vs Software RAID10 in a RAM limited environment

    Hello, I'm deploying a new cluster with 3 machines, each one having 64GB RAM + 2x512GB NVMe SSD. The VMs that will run on the cluster will use about 70-80% of available RAM, so there will be little spare RAM left (4-8 GB). I would like to use ZFS, as it's supported by Proxmox, but I'm afraid...
  16. VM Disk zerstört kurz nach PBS Backup

    Liebe Proxmox Community heute Nacht lief eine VM nach dem täglichen PBS Backup nicht mehr. Setup: PVE 6.3-2 PBS 1.0-1 betroffene Windows Server 2016 VM 2 virtuelle Disks auf ZFS Storage OS Disk 40GB Data Disk 1.5TB Backup mittels PBS incremental Snapshot QEMU Bitmap Meine Diagnose ergab...
  17. Need storage advice for new setup

    Hi guys, I am new to Proxmox, coming from Unraid. I switched mostly because I need to study setting up VMs using packer, terraform, ansible etc ... to make a long story short, I did some research on the right storage layout for me. I started to learn zfs, barely scratching the surface. Here is...
  18. Bran-Ko

    Backup server installed on ZFS

    I installed backup server on 2x SATA 1TB disk. How I can move this installation to another 2x SATA 4TB. And after that I wan to replace old 2pcs 1TB HDD with another 2pcs 4TB. Finally I want to use 4pcs SATA 4TB with RAIDZ ZFS (RAID5). I thought that only things what I need to do is - add disk...
  19. Config for better performance and backups (ZFS to VM)

    I have secondary NVME disk (A) for VM install and a 50TB RaidZ1 ZFS pool with 6 drives in my proxmox host (beside OS disk and ISO storage). To create nextcloud VM or Alpine-portainer, what is recommended way if I need my ZFS pool only for nextcloud and nothing else? Option 1) Create ZFS on...
  20. Pull files from ZFS store

    Hello, I have a ProxMox server that has gone belly up, the install was done with ZFS. I have the disks hooked up to another machine to extract data out of them. The ZFS shows degraded but I am able to pull the VM disks off them using qemu-img convert. However I also had a backup store on...

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