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Re: Default mount options (that suck less).

To: Niv Sardi <xaiki@xxxxxxx>
Subject: Re: Default mount options (that suck less).
From: David Chinner <dgc@xxxxxxx>
Date: Tue, 30 Oct 2007 10:48:43 +1100
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20071029075657.GA84369978@xxxxxxxxxxxxxxxxx>
References: <20071029075657.GA84369978@xxxxxxxxxxxxxxxxx>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/
On Mon, Oct 29, 2007 at 06:56:57PM +1100, Niv Sardi wrote:
> Hello,
> XFS's default mount options are in most cases sub-optimal, we should try
> to have more sensible defaults, so far I'm following some quick dave-powered
> recomendations:
> - version 2 logs
> - attr2
> - lazy superblock counters
> - less allocation groups for single disk configs
> - imaxpct default can be reduced
> it is currently 25, what would be reasonable ?
> - dropping the ability to turn unwritten extents off completely
> please submit your pet-idea for better defaults here.

Another one for you - make the log larger. The kernel code supports
a log of up to 2GB, so mkfs could making a larger log without
requiring changes elsewhere.


Dave Chinner
Principal Engineer
SGI Australian Software Group

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