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Date:      Thu, 3 Apr 2003 11:34:24 +0100 (BST)
From:      Jan Grant <Jan.Grant@bristol.ac.uk>
To:        Heinrich Rebehn <rebehn@ant.uni-bremen.de>
Cc:        questions@freebsd.org
Subject:   Re: newfs parameters for a 500 GB volume ?
Message-ID:  <Pine.GSO.4.44.0304031132360.22089-100000@mail.ilrt.bris.ac.uk>
In-Reply-To: <3E8C094B.6030503@ant.uni-bremen.de>

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On Thu, 3 Apr 2003, Heinrich Rebehn wrote:

> Thank you for your reply. I have reread the manpage and would go for:
> - blocksize   => 64 kB
> - fragsize        => 64/8 => 8 kB
> - bytes/inode   => 16 kB
>
> Are these values reasonable or should i use higher values (because the
> disk is so large?)

I'd turn bytes per inode up to 200k or so - there's a paragraph in "man
7 tuning" on this.

If the application is critical then benchmarking "real use" as closely
as possible will enable you to find optimal sizes for stripes, and is
probably time well spent.


-- 
jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/
Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/
User interface? I hardly know 'er!



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