From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sander Subject: Re: btrfs kernel oops and hot storage removing Date: Fri, 29 Jan 2010 17:41:55 +0100 Message-ID: <20100129164155.GA3786@attic.humilis.net> References: <792ba59f1001281533w5e238744k134ebbdb6a166647@mail.gmail.com> Reply-To: sander@humilis.net Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-btrfs@vger.kernel.org To: Maksim 'max_posedon' Melnikau Return-path: In-Reply-To: <792ba59f1001281533w5e238744k134ebbdb6a166647@mail.gmail.com> List-ID: Hello Maksim, Maksim 'max_posedon' Melnikau wrote (ao): > I'm running btrfs on my sheevaplug on storage attached via usb. I use > multi-device configuration for testing (use different partitions for > emulate this). I catched kernel oops on hot removing storage (without > umount/etc). First one was one device decide reboot themselves, second > when I manually turned it off and on. > > Basically I don't expect correct btrfs working in such situation, but > as I know it designed to work correctly in raid configuration, so, may > be somebody expect better behavior even in such situation. You pull the entire raid array when removing the USB storage, as the Sheevaplug has only one USB port. That will not work and it is not the fault of btrfs :-) With kind regards, Sander -- Humilis IT Services and Solutions http://www.humilis.net