Received: with ECARTIS (v1.0.0; list linux-xfs); Wed, 17 May 2006 16:42:20 -0700 (PDT) Received: from smtp101.sbc.mail.mud.yahoo.com (smtp101.sbc.mail.mud.yahoo.com [68.142.198.200]) by oss.sgi.com (8.13.6/8.12.10/SuSE Linux 0.7) with SMTP id k4HNeEoS017205 for ; Wed, 17 May 2006 16:42:17 -0700 Received: (qmail 88517 invoked from network); 17 May 2006 23:40:11 -0000 Received: from unknown (HELO stupidest.org) (cwedgwood@sbcglobal.net@70.132.6.214 with login) by smtp101.sbc.mail.mud.yahoo.com with SMTP; 17 May 2006 23:40:11 -0000 Received: by taniwha.stupidest.org (Postfix, from userid 38689) id 889FD51FAC0; Wed, 17 May 2006 16:40:07 -0700 (PDT) Date: Wed, 17 May 2006 16:40:07 -0700 From: Chris Wedgwood To: "Ed L. Cashin" Cc: linux-xfs@oss.sgi.com Subject: Re: xfs_repair on large fs: out of memory Message-ID: <20060517234007.GA1885@taniwha.stupidest.org> References: <20060517193606.GO32378@coraid.com> <20060517222353.GA32668@taniwha.stupidest.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060517222353.GA32668@taniwha.stupidest.org> X-archive-position: 7754 X-ecartis-version: Ecartis v1.0.0 Sender: linux-xfs-bounce@oss.sgi.com Errors-to: linux-xfs-bounce@oss.sgi.com X-original-sender: cw@f00f.org Precedence: bulk X-list: linux-xfs Content-Length: 508 Lines: 13 On Wed, May 17, 2006 at 03:23:53PM -0700, Chris Wedgwood wrote: > I forget the ratio/math for working this out (Steve Lord posted a > summary of this some time ago) but 1GB isn't nearly enough to run > xfs_repair on a moderately sized filesystem. I'm not sure this helps, but you got me thinking and I made a quick test here. On a near empty 13TB fs (I got bored after copying about 20GB of data on to it) I see xfs_repair here use a little under 2GB. Clearly when it's full this number will be higher.