From: Eric Sandeen <sandeen@sandeen.net>
To: David Chinner <dgc@sgi.com>
Cc: Niv Sardi <xaiki@sgi.com>, xfs@oss.sgi.com
Subject: Re: Default mount options (that suck less).
Date: Mon, 29 Oct 2007 09:01:52 -0500 [thread overview]
Message-ID: <4725E7D0.8090400@sandeen.net> (raw)
In-Reply-To: <20071029085502.GI995458@sgi.com>
David Chinner wrote:
> 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.....
But what does this affect? It's a cap, but it doesn't affect allocation
policy or anything does it? What's the downside to 25%?
-Eric
next prev parent reply other threads:[~2007-10-29 14:01 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-29 7:56 Default mount options (that suck less) Niv Sardi
2007-10-29 8:55 ` David Chinner
2007-10-29 10:44 ` nscott
2007-10-29 14:01 ` Eric Sandeen [this message]
2007-10-29 21:26 ` David Chinner
2007-10-29 14:03 ` Eric Sandeen
2007-10-29 15:05 ` Hannes Dorbath
2007-10-29 15:07 ` Eric Sandeen
2007-10-30 8:40 ` Stewart Smith
2007-10-31 4:11 ` Nathan Scott
2007-10-31 4:13 ` Eric Sandeen
2007-10-29 21:05 ` David Chinner
2007-10-29 15:26 ` Eric Sandeen
2007-10-29 15:44 ` Chris Wedgwood
2007-10-29 15:51 ` Eric Sandeen
2007-10-30 0:45 ` Timothy Shimmin
2007-10-31 11:05 ` James Braid
2007-10-31 11:27 ` Justin Piszcz
2007-11-01 0:47 ` James Braid
2007-10-31 15:21 ` Eric Sandeen
2007-10-31 15:41 ` Chris Wedgwood
2007-11-01 0:32 ` James Braid
2007-10-29 23:48 ` David Chinner
2007-10-31 23:35 ` Niv Sardi
2007-10-31 23:40 ` Niv Sardi
2007-11-01 1:17 ` Niv Sardi
2007-11-01 2:27 ` Eric Sandeen
2007-11-12 2:28 ` Niv Sardi
2007-11-12 3:10 ` David Chinner
2007-11-12 3:48 ` [[PATCH, RESEND]] Default to log version 2 xaiki
2007-11-12 3:48 ` [[PATCH, RESEND]] Default to version 2 attributes xaiki
2007-11-12 3:48 ` [[PATCH, RESEND]] Drop the ability to turn unwritten extents off completly xaiki
2007-11-12 3:48 ` [[PATCH, RESEND]] V2 inodes per default, and move DFL bits to XFS_DFL_SB_VERSION_BITS, xaiki
2007-11-12 3:48 ` [[PATCH, RESEND]] reduce imaxpct for big filesystems, xaiki
2007-11-12 3:48 ` [[PATCH, RESEND]] less AGs for single disks configs xaiki
2007-11-12 9:01 ` David Chinner
2007-11-12 14:57 ` Justin Piszcz
2007-11-12 20:31 ` David Chinner
2007-11-12 6:33 ` [[PATCH, RESEND]] reduce imaxpct for big filesystems, David Chinner
2007-11-12 6:31 ` [[PATCH, RESEND]] V2 inodes per default, and move DFL bits to XFS_DFL_SB_VERSION_BITS, David Chinner
2007-11-13 0:51 ` Niv Sardi
2007-11-12 6:27 ` [[PATCH, RESEND]] Drop the ability to turn unwritten extents off completly David Chinner
2007-11-12 6:24 ` [[PATCH, RESEND]] Default to version 2 attributes David Chinner
2007-11-12 6:23 ` [[PATCH, RESEND]] Default to log version 2 David Chinner
2007-11-13 4:10 ` RESEND(2) xaiki
2007-11-13 4:10 ` [PATCH TAKE 2 1/6] Default to log version 2 xaiki
2007-11-13 4:10 ` [PATCH TAKE 2 2/6] Default to version 2 attributes xaiki
2007-11-13 4:10 ` [PATCH TAKE 2 3/6] Drop the ability to turn unwritten extents off completly xaiki
2007-11-13 4:10 ` [PATCH TAKE 2 4/6] V2 inodes per default, and move DFL bits to XFS_DFL_SB_VERSION_BITS, xaiki
2007-11-13 4:10 ` [PATCH TAKE 2 5/6] reduce imaxpct for big filesystems, xaiki
2007-11-13 4:10 ` [PATCH TAKE 2 6/6] less AGs for single disks configs xaiki
2007-11-13 4:47 ` RESEND(2) David Chinner
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