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Forum Discussion

mangrove's avatar
mangrove
Apprentice
Apr 09, 2017

Something seems broken with iSCSI since 6.7.0

Upgraded from 6.6.1 stable to 6.7.0 stable yesterday. Since then I can no longer mount my TrueCrypt containers residing on Readynas iSCSI volumes. Or, they mount after several minutes, but I can no l...
iSCSI
mdgm-ntgr's avatar
mdgm-ntgr
NETGEAR Employee Retired
Apr 10, 2017

Your data volume is 98% full. We don't recommend filling a volume that full especially when using iSCSI.

Do you have data in ordinary shares? If so, can you backup some of those files and free up some space and see if that helps?

mangrove's avatar
mangrove
Apprentice
Apr 10, 2017

The device has only ever been used as an iSCSI drive. As such, it is created with the maximum LUN size allowed by NTGR, which for my unit is 7.354 TB according to the GUI. Only one LUN. There is nothing else in /data (verified with WinSCP) but a couple of NTGR settings files in /data/.apps etc. Only two apps are installed, smbplus and phpr6.

 

The GUI says "217.29 GB free of 8.17 TB" which indeed is a discrepancy, but that discrepancy seems to be precisely because of the upgrade from 6.6.1 to 6.7.0. New version of BTRFS acting up?

  • mangrove's avatar
    mangrove
    Apprentice
    Apr 10, 2017

    root@link:~# btrfs fi df /data
    Data, single: total=7.97TiB, used=7.96TiB
    System, DUP: total=32.00MiB, used=992.00KiB
    Metadata, DUP: total=512.00MiB, used=262.50MiB
    GlobalReserve, single: total=96.00MiB, used=0.00B

     

    root@link:/data# du -sh *
    7.4T    8TB
    0       Documents
    0       home
    0       Music
    0       Pictures
    0       Videos

    • mangrove's avatar
      mangrove
      Apprentice
      Apr 10, 2017

      As you can see from initrd.log the device was factory defaulted in 2015/02/15 with 6.2.2 and the iSCSI volume was created and has been in use since then.

      • mdgm-ntgr's avatar
        mdgm-ntgr
        NETGEAR Employee Retired
        Apr 10, 2017

        Do/did you have Bit-rot protection or snapshots enabled on the LUN?

  • mangrove's avatar
    mangrove
    Apprentice
    May 26, 2017

    Now the free space is down to 210.09 GB, and the only thing done is upgrading to 6.7.3 and my normal iSCSI traffic.

    • mdgm-ntgr's avatar
      mdgm-ntgr
      NETGEAR Employee Retired
      May 27, 2017

      I would run 6.7.4 rather than 6.7.3.


      • mangrove's avatar
        mangrove
        Apprentice
        May 27, 2017

        Updated to 6.7.4. Ran a balance for good measure. 210.02 GB free.

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