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List:       linux-xfs
Subject:    Re: Anyone using XFS in production on > 20TiB volumes?
From:       Chris Wedgwood <cw () f00f ! org>
Date:       2010-12-22 17:06:20
Message-ID: 20101222170620.GA29117 () puku ! stupidest ! org
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On Wed, Dec 22, 2010 at 11:30:05AM -0500, Justin Piszcz wrote:

> Is there anyone currently using this in production?

yes (in the past more than now)

> How much ram is needed when you fsck with a many files on such a
> volume?

didn't check specifically, but with older xfsprogs it could easily use
more than 16GB

> Is inode64 recommended on a 64-bit system?

it's for inode distribution, not 64-bit vs 32-bit system

yes, enable that ... it should be the default

> Any specific 64-bit tweaks/etc for a large 43TiB FS?

if using hw raid teach mkfs about the array geom, that coupled with
inode64 made a huge difference in performance that last time i did
this

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