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Re: Xfs delaylog hanged up

To: xfs@xxxxxxxxxxx
Subject: Re: Xfs delaylog hanged up
From: Richard Scobie <r.scobie@xxxxxxxxxxxx>
Date: Wed, 24 Nov 2010 17:03:45 +1300
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.8.1.13) Gecko/20080313 SeaMonkey/1.1.9
Spelic wrote:

> Yep, because I know MD better, I can see the code, it's more flexible > and customizable, can be controlled with scripts more easily... Also > parameters to the underlying drives can be controlled if I use MD, and > it's easier to align filesystem to stripes. Also my time is better

Slightly off topic, but your previously mentioned xfs_info shows sunit and swidth values of zero, so your filesystem is not aligned to stripes.

/# xfs_info /perftest/xfs/
> meta-data=/dev/mapper/perftestvg-xfslv isize=256    agcount=16,
> agsize=50331648 blks
>          =                       sectsz=512   attr=2
> data     =                       bsize=4096   blocks=805306368, imaxpct=5
>          =                       sunit=0      swidth=0 blks

Regards,

Richard

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