From mboxrd@z Thu Jan 1 00:00:00 1970 From: hpa@zytor.com (H. Peter Anvin) Subject: Re: Kernel panic, FS corruption Was: Re: Call for RAID-6 users Date: Thu, 5 Aug 2004 23:54:30 +0000 (UTC) Sender: linux-raid-owner@vger.kernel.org Message-ID: References: <200407310228.27969.maarten@ultratux.net> <200408011503.20452.maarten@ultratux.net> <20040801180536.GA3897@jim.sh> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Followup to: <20040801180536.GA3897@jim.sh> By author: Jim Paris In newsgroup: linux.dev.raid > > > I eventually got a kernel panic when copying large amounts of data to a > > [degraded] raid6 array, which this time was the full 600 GB size. > > Don't know if it is helpful to anyone but info below: > > The panic is from reiserfs, and it's occuring because the FS is > getting corrupted due to the raid6 problems. > It's still very odd to me that so far the only thing that triggers this kind of problems is reiserfs. Either reiserfs just has a really odd series of access patterns, or it is relying on behaviour which isn't actually guaranteed. I suspect the former, but it's still odd. -hpa