On Mon, Sep 20, 2010 at 12:10:08PM +0000, Lubos Kolouch wrote: > 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.
Ok, we're seeing consistent reports of corruptions after power failure with dm-crypt. The barriers must not be getting down to the device. > > 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. We can definitely try. Please send me email with the errors from btrfsck and I'll work on a patch that gets you read only access. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
