From owner-freebsd-arch  Fri Nov  3  2:31:14 2000
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To: Dag-Erling Smorgrav <des@ofug.org>
Cc: Matt Dillon <dillon@earth.backplane.com>,
	Marius Bendiksen <mbendiks@eunet.no>,
	Randell Jesup <rjesup@wgate.com>, arch@FreeBSD.ORG
Subject: Re: Like to commit my diskprep 
In-Reply-To: Your message of "03 Nov 2000 11:28:41 +0100."
             <xzphf5pl57q.fsf@flood.ping.uio.no> 
Date: Fri, 03 Nov 2000 11:31:02 +0100
Message-ID: <4559.973247462@critter>
From: Poul-Henning Kamp <phk@critter.freebsd.dk>
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In message <xzphf5pl57q.fsf@flood.ping.uio.no>, Dag-Erling Smorgrav writes:
>Matt Dillon <dillon@earth.backplane.com> writes:
>>     Yes.  Increasing the number of bytes per inode will reduce the number
>>     of inodes and thus reduce fsck time.  Increasing the number of cylinders
>>     in a group will localize inodes into bigger chunks, reducing seeking
>>     and also thus reduce fsck time.
>
>That was what I hoped - thanks!

...and setting your fragment size to 4k has a surprisingly small positive
effect on your performance.

--
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.


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