From: Christoph Hellwig <hch@infradead.org>
To: Leslie Rhorer <lrhorer@satx.rr.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: How to handle >16TB devices on 32 bit hosts ??
Date: Sun, 19 Jul 2009 07:04:47 -0400 [thread overview]
Message-ID: <20090719110447.GA18135@infradead.org> (raw)
In-Reply-To: <20090719005450717.VSFW5000@cdptpa-omta04.mail.rr.com>
On Sat, Jul 18, 2009 at 07:54:50PM -0500, Leslie Rhorer wrote:
> > There are regular reports of xfs_repair failing on 32bit,
> > even on volumes far smaller than 16TB.
>
> But is that due to the 32 bit system directly, or to the fact XFS
> requires a huge amount of memory for fsck or repair?
As mentioned earlier here 16TB is the absolute limit on 32bit right now.
Failures on smaller systems are due to memory use, and this can be
mitigated using more swap. And once we commit Barry's patches to
optimize the memory usage the memory requirement will go down massively.
next prev parent reply other threads:[~2009-07-19 11:04 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-18 0:08 How to handle >16TB devices on 32 bit hosts ?? Neil Brown
2009-07-18 4:31 ` Andreas Dilger
2009-07-18 6:16 ` Andi Kleen
2009-07-18 6:52 ` Andreas Dilger
2009-07-18 7:48 ` Andi Kleen
2009-07-18 13:49 ` Theodore Tso
2009-07-18 14:21 ` Andi Kleen
[not found] ` <20090718142156.GC2682@basil.fritz.box>
2009-07-18 14:32 ` Andreas Dilger
2009-07-18 18:19 ` Christoph Hellwig
2009-07-19 0:54 ` Leslie Rhorer
2009-07-19 11:04 ` Christoph Hellwig [this message]
2009-07-29 15:07 ` Pavel Machek
2009-07-19 3:44 ` Tapani Tarvainen
2009-07-18 6:09 ` Andi Kleen
2009-07-22 6:59 ` Andrew Morton
2009-07-22 18:32 ` Andreas Dilger
2009-07-22 18:51 ` Andrew Morton
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