Re: assertion failures

Mike Fedyk
2010-02-26T19:11:07Z

On Fri, Feb 26, 2010 at 10:11 AM, Bill Pemberton
<wfp5p@viridian.itc.virginia.edu> wrote:
>>
>> Does the array have any kind of writeback cache?
>>
>
> Yes, the array has a writeback cache.
>
>>
>> Are all of the filesystems spread across all of the drives? =C2=A0Or=
do some
>> filesystems use some drives only?
>>
>
> In all cases the array is presenting 1 physical volume to the host
> system (which is RAID 6 on the array itself). =C2=A0That physical vol=
ume is
> made into a volume group and the filesystems are on logical volumes i=
n
> that volume group.
>

I wonder if the barrier messages are making it to this write back
cache. Do you see any messages about barriers in your kernel logs?
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