From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Schitter Subject: Re: btrfs csum failed Date: Wed, 04 May 2011 02:44:03 +0200 Message-ID: <4DC0A153.3080806@mur.at> References: <4DC07A10.7070200@mur.at> <20110504002815.GA27861@dhcp231-156.rdu.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linux-btrfs@vger.kernel.org To: Josef Bacik Return-path: In-Reply-To: <20110504002815.GA27861@dhcp231-156.rdu.redhat.com> List-ID: Am 2011-05-04 02:28, schrieb Josef Bacik: > Wait why are you running with btrfs in production? do you know a better alternative for continuous snapshots? :) it works surprisingly well since more than a year. well the performance could be better for vm-image-hosting but it works. we used cache='writeback' for a long time but now all virtual instances have set cache='none' > What OS is in this vm image? 2.6.30-bpo.1-amd64 with virtio-driver could you give me some advice how to debug/report this specific problem more precise? thanks martin