RESOLVED: Simple single-disk ZFS volumes not showing up in Shared Folders

    ZFS filesystems are not showing up for me both in Shared Folders and in SnapRaid in OMV (+ OMV-Extras).


    Using ZFS on single disks for a SnapRAID + MergeFS scenario. This, for me, adds both compression + wide accessibility of drives since we use ZFS a good bit. Further I'm not using raidz(1|2|3) for flexibility purposes which I'm sure are clear.


    6 drives were prepared directly from the shell so as to implement certain additional features and alignment sanity:

    Code
    sgdisk --zap-all /dev/disk/by-id/ata-MFG_MODEL_SERIAL_X

sgdisk --new=1:1M:-8M --typecode=1:BF01 /dev/disk/by-id/ata-MFG_MODEL_SERIAL_X

zpool create -f -d -m none -o ashift=12 -o feature@zstd_compress=enabled -O casesensitivity=insensitive -O atime=off -O normalization=formD bay_x-MFG_MODEL_SERIAL_X /dev/disk/by-id/ata-MFG_MODEL_SERIAL_X-part1

    Creating these ZFS volumes without the intermediate sgdisk --new step results in no difference.


    All drives formatted properly and zpool list reports:

    Code
    NAME                                                   SIZE  ALLOC   FREE  CKPOINT  EXPANDSZ   FRAG    CAP  DEDUP    HEALTH  ALTROOT
bay_1-MFG_MODEL_SERIAL_X                 5.45T   896K  5.45T        -         -      -     0%  1.00x    ONLINE  -
bay_2-MFG_MODEL_SERIAL_X                 5.45T   896K  5.45T        -         -      -     0%  1.00x    ONLINE  -
bay_3-MFG_MODEL_SERIAL_X                 5.45T   896K  5.45T        -         -      -     0%  1.00x    ONLINE  -
bay_4-MFG_MODEL_SERIAL_X                 5.45T   896K  5.45T        -         -      -     0%  1.00x    ONLINE  -
bay_5-MFG_MODEL_SERIAL_X                 5.45T   896K  5.45T        -         -      -     0%  1.00x    ONLINE  -
bay_6-MFG_MODEL_SERIAL_X                 5.45T   896K  5.45T        -         -      -     0%  1.00x    ONLINE  -

    To be clear, these do show up within Storage > Disks & File Systems & ZFS (from the plugin).


    As a sanity check I destroyed all of these volumes (zpool export -a; sgdisk --zap-all <each drive>) and then tried to create "Basic" zpool with the Create ZFS Pool GUI and found none of my drives within this Devices listing:


    d0f1d986-b85e-4179-97f0-c1e979ec0000.png?v=d1c89a559d2c607f691a0b005893eef5


    Any thoughts on why these may not be showing up?

  • KM0201

    Hat das Thema freigeschaltet.

    SOLVED: the problem turned out as per feedback from Volker was that the mountpoint was not defined. Unfortunately I was under the impression that zpool was handling this, and while it apparently does, it needs to be defined during creation, so adding that is important:

    Code
    zpool create -f -d -m /mnt/bay_x -o ashift=12 -o feature@zstd_compress=enabled -O casesensitivity=insensitive -O atime=off -O normalization=formD bay_x-MFG_MODEL_SERIAL_X /dev/disk/by-id/ata-MFG_MODEL_SERIAL_X-part1

  • ylluminate

    Hat das Label OMV 5.x hinzugefügt.

  • ylluminate

    Hat das Label gelöst hinzugefügt.

  • ylluminate

    Hat den Titel des Themas von „Simple single-disk ZFS volumes not showing up in Shared Folders“ zu „RESOLVED: Simple single-disk ZFS volumes not showing up in Shared Folders“ geändert.

  • crashtest

    Hat das Thema freigeschaltet.

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