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From: Julian Elischer <julian@ref.tfs.com>
Message-Id: <199506192324.QAA04958@ref.tfs.com>
Subject: Re: How does the disk IO clustering work?
To: peter@haywire.DIALix.COM (Peter Wemm)
Date: Mon, 19 Jun 1995 16:24:23 -0700 (PDT)
Cc: hackers@freebsd.org
In-Reply-To: <Pine.SV4.3.91.950610135321.14840F-100000@haywire.DIALix.COM> from "Peter Wemm" at Jun 19, 95 02:22:59 am
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> jhome # tunefs -p /dev/rsd0h
> tunefs: maximum contiguous block count: (-a)               1
> tunefs: rotational delay between contiguous blocks: (-d)   4 ms
> tunefs: maximum blocks per file in a cylinder group: (-e)  1024
> tunefs: minimum percentage of free space: (-m)             10%
> tunefs: optimization preference: (-o)                      time
> jhome # 
> 
> I dont know how it was built - but it would either have been made by 
> 2.0R, or converted via fsck -c2 from a 1.x file system. (Julian?)
ah I think it was a 386bsd 0.1 pl23 system actually..
(not totally sure) :)
I find -a 64 -d 0  works real well. :)

> 
> Thoughts?
> 
> -Peter
> 
> 
>