From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lubos Kolouch Subject: Re: Question of stability Date: Mon, 20 Sep 2010 12:10:08 +0000 (UTC) Message-ID: References: <7280394.123.1284845879623.JavaMail.root@zimbra> <4C96B682.5080900@csamuel.org> <20100920113057.GC27633@think> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 To: linux-btrfs@vger.kernel.org Return-path: List-ID: On Mon, 20 Sep 2010 07:30:57 -0400, Chris Mason wrote: > On Mon, Sep 20, 2010 at 11:00:08AM +0000, Lubos Kolouch wrote: >> No, not stable! >> >> Again, after powerloss, I have *two* damaged btrfs filesystems. > > Please tell me more about your system. I do extensive power fail > testing here without problems, and corruptions after powerloss are very > often caused by the actual hardware. > > So, what kind of drives do you have, do they have writeback caching on, > and what are you layering on top of the drive between btrfs and the > kernel? > > -chris > Hello Chris, The system is running with 128GB SDD Samsung disk. The partition is encrypted with LUKS and on top btrfs filesystem is created. The backup disk is a 160GB WD notebook disk connected via IDE->USB cable, whole formatted with LUKS and btrfs on top. Actually, if there was any way (non-standard) how to mount the system and recover even part of the data, I would be very grateful. Lubos