[DRBD-user] "local disk flush failed with status -5" on LVM

[David Hansel]

Yes, this is kernel bug. I also have the same problem with you. Your
only choice:
1. Patch your kernel to 2.6.25
2. Don't use DRBD on top LV. ( I choose this way ).

On Wed, May 7, 2008 at 3:58 PM, Philipp Reisner
<philipp.reisner at linbit.com> wrote:
> Am Sonntag, 4. Mai 2008 02:19:12 schrieb Wolfgang Denk:
>
> > Hi,
>  >
>  > I'm trying to run DRBD on top of a LV, and get flooded with above
>  > error messages. I know this has been discussed before, see threads
>  > starting at
>  > http://lists.linbit.com/pipermail/drbd-user/2008-February/008665.html
>  > and
>  > http://lists.linbit.com/pipermail/drbd-user/2008-February/008519.html
>  >
>  > When this was discussed in February, it sounded (at least to me) as is
>  > a fix was on the way, see
>  > http://lists.linbit.com/pipermail/drbd-user/2008-February/008692.html
>  >
>  > However, even top of tree from the git repo still shows the same
>  > behaviour.
>  >
>  > Am I missing something, or is this usage mode so exotic  that  nobody
>  > cares?
>  >
>
>  Hi Wolfgang,
>
>  That is actually a kernel bug, I think in 2.6.24. Was fixed later, do not
>  know by heart with which "sucker" release. I guess it is fixed in 2.6.25.
>
>  Starting with 8.0.12 we offer a workaround for this in DRBD (and 8.2.6
>  when I finally find the time to finish it):
>
>   Add no-disk-flushes and no-md-flushes to your disk config.
>
>  -phil
>  --
>  : Dipl-Ing Philipp Reisner                      Tel +43-1-8178292-50 :
>  : LINBIT Information Technologies GmbH          Fax +43-1-8178292-82 :
>  : Vivenotgasse 48, 1120 Vienna, Austria        http://www.linbit.com :
>
>
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-- 
Best Regards,
David Hansel