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Proxmox 7 - VM TrueNAS Core vs Scale #108

@sonapsent

Description

I have two Proxmox servers and have been using your deb install for a few months now. All TrueNAS installs are VMs on each Proxmox host with HBA passthrough. On the new second server I thought I would try the Scale RC1 as it would behave better as a VM being Linux and with QEMU guest agent. Below are the errors I received while cloning a random VM to the new Scale with ZFS over ISCSI. I shutdown the Scale VM and created a 2nd TrueNAS Core VM, after importing the zfs pool and settings it worked with no errors. For now I will continue using TrueNAS Core. Let me know if you need more info or would like me to try something as I can switch back fairly easy.

Notes:

  • Blocksize warning even though the ZFS pool has ashift 12
  • The first disk seems to have be created as pool/dataset/zvol when viewed on TrueNAS Scale, but is not found, and fails before cloning the second disk
  • Output:
    create full clone of drive sata0 (zScuzzy:vm-106-disk-0)
    Warning: volblocksize (4096) is less than the default minimum block size (8192).
    To reduce wasted space a volblocksize of 16384 is recommended.
    iscsiadm: No session found.
    iscsiadm: No session found.
    transferred 0.0 B of 52.0 MiB (0.00%)
    transferred 52.0 MiB of 52.0 MiB (100.00%)
    cannot open 'OmegaPool-oscuzzy/vm-113-disk-0': dataset does not exist
    create full clone of drive sata1 (zScuzzy:vm-106-disk-1)
    cannot open 'OmegaPool-oscuzzy': no such pool
    Could not find lu_name for zvol vm-113-disk-0 at /usr/share/perl5/PVE/Storage/ZFSPlugin.pm line 118.
    TASK ERROR: clone failed: command '/usr/bin/ssh -o 'BatchMode=yes' -i /etc/pve/priv/zfs/192.168.XX.XX_id_rsa [email protected] zfs create -s -b 4k -V 8388608k OmegaPool-oscuzzy/vm-113-disk-0' failed: exit code 1