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    Archive for February 28th, 2015

    My smartd.conf, explained

    28th February 2015

    After fixing offline uncorrectable sector warning email, I have taken a closer look at my /etc/smartd.conf, and now it looks like this:

    DEFAULT -d sat -H -f -p -t -W 0,40,45 -n standby -S on -m example@example.com
    # Attributes 1, 230, and 231 are very important (-r 1! -r 230! -R 230! -r 231! -R 231!), but likely covered by -t.
    /dev/sda -s (S/../../6/01|L/../(01|02|03|04|05|06|07)/7/00) -C 0 -I 189 -I 194
    # -a implies -f and -p (through -t)
    DEFAULT -d sat -a -I 194 -W 0,40,45 -n standby -o on -S on -m example@example.com
    /dev/sdb -s (S/../../6/02|L/../(01|02|03|04|05|06|07)/7/02)
    # This drive does not decrement Offline_Uncorrectable (198) after re-allocation,
    # so only monitoring for increase, not for non-zero value.
    /dev/sdc -s (S/../../6/03|L/../(01|02|03|04|05|06|07)/7/04) -U 198+
    # This drive has 40 “normally”.
    /dev/sdd -s (S/../../6/04|L/../(01|02|03|04|05|06|07)/7/06) -W 0,42,45

    Note: explanations below are intentionally simplified; please consult man smartd.conf for more precise, complete, and up-to-date information.

    Ok, so what do these settings mean, and how is this different from default settings?
    Read the rest of this entry »

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    Posted in *nix, how-to, Notepad, Software | No Comments »