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    Archive for February 26th, 2015

    How to fix Offline Uncorrectable sector outside of a partition

    26th February 2015

    A few days ago my smartd daemon (from the smartmontools package) notified me about a +1 increase in Current_Pending_Sector (197) and Offline_Uncorrectable (198) SMART attributes. The 2.5″ Fujitsu laptop hard-drive these appeared on is very old, and it also has been working 24/365 since a little over a year.

    Running a short SMART self-test (sudo smartctl -t short /dev/sdc) produced a read error at sector 1289:

    Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
    1 Short offline Completed: read failure 80% 22339 1289

    Looking at the partition table of /dev/sdc, we see that this sector is outside of the only RAID partition on the disk, which starts at sector 2048:

    Device Boot Start End Blocks Id System
    /dev/sdc1 2048 117209087 58605088 fd Lnx RAID auto

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    Posted in *nix, how-to, Software | 1 Comment »