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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: Mon, 29 Oct 2007 19:55:02 +1100
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20071029075657.GA84369978@xxxxxxxxxxxxxxxxx>
References: <20071029075657.GA84369978@xxxxxxxxxxxxxxxxx>
Sender: xfs-bounce@xxxxxxxxxxx
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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

Mkfs options ;)

> 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 ?

Given that 25% on a 4GB filesystem will allow about 5million inodes,
I think it's probably reasonable to bring it down to 5% by the time we
pass 1TB and 1% by 50TB.....

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group


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