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smar's avatar
smar
Tutor
Aug 09, 2018
Solved

ReadyNAS Pro 6 Checking root FS

Hi   My ReadyNAS Pro 6, running firmware 6.7.5 was working fine for many months. However, a few days ago, it became inaccessible from web gui and ssh (did not reply to pings) and appeared hung. A...
  • mdgm-ntgr's avatar
    Aug 09, 2018

    Yes that's possible. It should only be considered though if confident that the disks are healthy (you've checked SMART stats) and that the data volume RAID and filesystem are in a good state.

     

    Formatting the root volume wipes the logs etc. off it.

     

    After trying to mount md0 you should check what the error message is by doing e.g.

    # dmesg | tail

     

    Depending on what the error is it might be fixable (with a small amount of data loss) without resorting to the drastic step of formatting md0. Greater care needs to be taken with the data volume if that fails to mount.

     

    A read-only btrfsck can provide useful information.

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