From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id n14CR7Bm151424 for ; Wed, 4 Feb 2009 06:27:08 -0600 Received: from ipmail01.adl6.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id EBF7C1BB6271 for ; Wed, 4 Feb 2009 04:26:28 -0800 (PST) Received: from ipmail01.adl6.internode.on.net (ipmail01.adl6.internode.on.net [203.16.214.146]) by cuda.sgi.com with ESMTP id MVBsz7SeBvWOhWBC for ; Wed, 04 Feb 2009 04:26:28 -0800 (PST) Date: Wed, 4 Feb 2009 23:26:25 +1100 From: Dave Chinner Subject: Re: xfs_force_shutdown after Raid crash Message-ID: <20090204122625.GM24173@disturbed> References: <498376CF.8020806@renderforce.de> <20090203154907.GA21278@infradead.org> <200902040952.45440@zmi.at> <200902041127.46714@zmi.at> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <200902041127.46714@zmi.at> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Michael Monnerie Cc: xfs@oss.sgi.com On Wed, Feb 04, 2009 at 11:27:46AM +0100, Michael Monnerie wrote: > On Mittwoch 04 Februar 2009 Michael Monnerie wrote: > > == Q. What about the hard disk write cache? == > > What just comes to my mind: what about XEN/VMware? > > What settings should be used within a virtual machine? Even if I have > battery backed cache and nobarrier on the host, the VM itself could > crash, or the whole host freeze. Is "nobarrier" save within a VM? Depends on the implementation of the hypervisor. Cheers, Dave. -- Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs