Re: background fsck can be dangerous!

From: JM (jmartin37_at_speakeasy.net)
Date: 06/30/05

  • Next message: Igor Robul: "Re: NVIDIA TNT2 woes" 
    Date: Thu, 30 Jun 2005 09:47:31 -0400
To: Brian Fundakowski Feldman <green@freebsd.org>

    Brian Fundakowski Feldman wrote:

    >On Wed, Jun 29, 2005 at 03:12:37PM +0100, Steven Hartland wrote:
    >
    >
    >>I've not had a single crash / power outage that background fsck has
    >>been able to deal with. 90% of the time the machine will fail to even
    >>boot to single user mode :(
    >>
    >>
    >
    >You should turn write caching off on your drives.
    >
    >
    and in addition to that... you can enable a foreground fsck at boot
    which might be the better option if boot times aren't an issue.

    >
    >
    >> Steve
    >>----- Original Message -----
    >>From: "Niki Denev" <ndenev@icdsoft.com>
    >>
    >>
    >>
    >>>I want just to share my last experience with the combination of
    >>>power failure + background fsck. After the power returned and the
    >>>machine booted, it sheduled background fsck after 60 seconds, but
    >>>at this point most of the services were already started, and some of them
    >>>seemed to rely on files that were probably in unclean state before the
    >>>check.
    >>>This unfortunately leaded to some lost email...after the fsck completed,
    >>>everything runs ok, but i have now set background_fsck to NO in rc.conf.
    >>>
    >>>Here is a sad sample from my qmail log file :
    >>>@4000000042c1badc24fc21cc delivery 1:
    >>>success:
    >>>/libexec/ld-elf.so.1:_Shared_object_"libpq.so.3"_not_found,_required_by_"dspam"/did_0+0+1/
    >>>@4000000042c1badc24fff25c status: local 2/30 remote 0/20
    >>>@4000000042c1badc250151ec delivery 4:
    >>>success:
    >>>/libexec/ld-elf.so.1:_Shared_object_"libpq.so.3"_not_found,_required_by_"dspam"/did_0+0+1/
    >>>@4000000042c1badc2502bd34 status: local 1/30 remote 0/20
    >>>@4000000042c1badc25050ef4 end msg 23982
    >>>@4000000042c1badc2508b0a4 delivery 2:
    >>>success:
    >>>/libexec/ld-elf.so.1:_Shared_object_"libpq.so.3"_not_found,_required_by_"dspam"/did_0+0+1/
    >>>@4000000042c1badc250a9cd4 status: local 0/30 remote 0/20
    >>>@4000000042c1badc250c7d4c end msg 24087
    >>>@4000000042c1badc2510942c end msg 24040
    >>>
    >>>
    >
    >The filesystem looks the same before, during, and after background
    >fsck runs, other than the free space information.
    >
    >
    >

    _______________________________________________
    freebsd-stable@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-stable
    To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"

  • Next message: Igor Robul: "Re: NVIDIA TNT2 woes"

    Relevant Pages