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Split parity reports lack of space, but there's plenty of space available

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Ren
2019-06-29
2019-06-29
  • Ren

    Ren - 2019-06-29

    Hi,

    Having some issues setting up split parity. here's my hardware config:

    data drives: 2x 10TB drives formatted with BTRFS
    parity drives 4x 3TB drives formatted with BTRFS

    when running sync, it runs for a fair while then throws an error:

    > snapraid sync
    Self test...
    Loading state from /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEJ2PV9N-part1/snapraid.content...
    Scanning disk Data_1...
    Scanning disk Data_2...
    Using 3854 MiB of memory for the file-system.
    Initializing...
    Resizing...
    Saving state to /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEx1-part1/snapraid.content...
    Saving state to /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEx2-part1/snapraid.content...
    Verifying /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEx1-part1/snapraid.content...
    Verifying /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEx2-part1/snapraid.content...
    Syncing...
    Using 24 MiB of memory for 32 cached blocks.
    Failed to grow parity file '/srv/dev-disk-by-label-SnapRAID1/snapraid-part1.parity' using write due lack of space.
    WARNING! Unexpected write error in the Parity disk, it isn't possible to sync.
    Ensure that disk 'parity' has some free space available.
    Stopping at block 2059492
    

    there is plenty of space available on the third and fourth drives.

    This is my config file:

    block_size 256
    autosave 0
    
    disk Data_1 /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEx1-part1
    content /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEx1-part1/snapraid.content
    
    
    disk Data_2 /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEx2-part1
    content /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEx2-part1/snapraid.content
    
    parity /srv/dev-disk-by-label-SnapRAID1/snapraid-part1.parity,/srv/dev-disk-by-label-SnapRAID2/snapraid-part2.parity,/srv/dev-disk-by-label-SnapRAID3/snapraid-part3.parity,/srv/dev-disk-by-label-SnapRAID4/snapraid-part4.parity
    

    any help would be much appreciated.

    edit: additional info:

    > df -h
    Filesystem                 Size  Used Avail Use% Mounted on
    udev                       7.8G     0  7.8G   0% /dev
    /dev/sdg1                   21G   12G  8.7G  57% /
    /dev/sde1                  2.8T   17M  2.8T   1% /srv/dev-disk-by-label-SnapRAID4
    /dev/sdd1                  2.8T  239G  2.5T   9% /srv/dev-disk-by-label-SnapRAID3
    /dev/sdc1                  2.8T  2.8T  128K 100% /srv/dev-disk-by-label-SnapRAID2
    /dev/sdb1                  2.8T  2.8T  448K 100% /srv/dev-disk-by-label-SnapRAID1
    /dev/sdf1                  9.1T  4.9T  4.3T  54% /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEx1-part1
    /dev/sda1                  9.1T  5.4T  3.8T  60% /srv/dev-disk-by-id-ata-WDC_WD100EZAZ-11TDBA0_JEx2-part1
    

    running on Debian Stretch

     

    Last edit: Ren 2019-06-29
  • Walter Tuppa

    Walter Tuppa - 2019-06-29

    BRTFS ist nicht wirklich unterstützt von SnapRAID. Vor allem bringt es keinen Vorteil bei einer Parity Disk. Einfach für diese EXT4 oder XFS verwenden.

     

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