# [OmniOS-discuss] Overheating faults with ST4000NM0023

Thibault VINCENT thibault.vincent at smartjog.com
Mon Aug 5 12:57:58 UTC 2013

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    Hello,

    In a server with lots of disks, I kept getting FMA faults about
    excessive temperature (DISK-8000-12) of almost every drive and it
    triggered retirements each time. First I tried cooling down the JBOD but
    some drives were still beeing retired, and I ended up disabling the
    io-retire.so plugin of fmd (crappy workaround).

    Later I found that our Seagate ST4000NM0023 drives had a suprisingly low
    "trip temperature" and now I'm pretty sure that's the value interpreted
    by fmd. The trip is at 40°C and is indeed exceeded sometimes.

    So I have two questions :

      * how would you disable disk retirement in FMA without crippling
    modules ? or maybe enforce the temperature threshold ?

      * is anyone working with ST4000NM0023 or have a clue about fixing the
    trip temperature in smart ?

    Thanks a lot,

    --
    Thibault VINCENT - Infrastructure Engineer
    SmartJog | T: +33 1 5868 6238
    27 Blvd Hippolyte Marquès, 94200 Ivry-sur-Seine, France
    www.smartjog.com | a TDF Group company

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