From owner-freebsd-fs@FreeBSD.ORG  Fri Aug 26 19:28:06 2011
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Date: Fri, 26 Aug 2011 23:27:58 +0400
From: Lev Serebryakov <lev@FreeBSD.org>
Organization: FreeBSD Project
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To: Kirk McKusick <mckusick@mckusick.com>
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References: <1164434239.20110826221217@serebryakov.spb.ru>
	<201108261833.p7QIXhlZ008671@chez.mckusick.com>
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Cc: fs@freebsd.org
Subject: Re: Strange behaviour of UFS2+SU FS on FreeBSD 8-Stable: dreadful
	perofrmance for old data, excellent for new.
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Hello, Kirk.
You wrote 26 =E0=E2=E3=F3=F1=F2=E0 2011 =E3., 22:33:43:

> If your old disk was full for a long time and had a lot of activity,
> the most recently created files are likely to have poor layout.
> Copying them should give them an improved layout now that much
> more space is available. Best is to copy one, then remove the=20
> original copy. Copy the next one and remove its old copy, etc.
> Please let me know if this works, as if it does not, something
> is wrong with growfs.
 Ok, I'll write script for this monotonous work :) I could even copy
them one-by-one via other file system )copy out, delete, copy in).
Will it be better or not?

--=20
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>