Re: critical bugs in md raid5

2005-01-26 Thread pcg
On Thu, Jan 27, 2005 at 06:11:34AM +0100, Andi Kleen <[EMAIL PROTECTED]> wrote: > Marc Lehmann <[EMAIL PROTECTED]> writes: > > > > The summary seems to be that the linux raid driver only protects your data > > as long as all disks are fine and the machine never crashes. > > "as long as the machine

Re: critical bugs in md raid5

2005-01-27 Thread pcg
On Thu, Jan 27, 2005 at 10:51:02AM +0100, Andi Kleen <[EMAIL PROTECTED]> wrote: > The nasty part there is that it can affect completely unrelated > data too (on a traditional disk you normally only lose the data > that is currently being written) because of of the relationship > between stripes on

Re: Odd data corruption problem with LVM/ReiserFS

2005-02-22 Thread pcg
On Mon, Feb 21, 2005 at 12:37:53PM +0100, Andreas Steinmetz <[EMAIL PROTECTED]> wrote: > >Anyway, what do you guys think could be the problem? Could it be that > >the LVM / Device Mapper snapshot feature is solely responsible for > >this corruption? (I'm sure there's a reason it's marked > >Expe

Re: Odd data corruption problem with LVM/ReiserFS

2005-02-22 Thread pcg
On Tue, Feb 22, 2005 at 08:39:21PM +0100, Andreas Steinmetz <[EMAIL PROTECTED]> wrote: > To clarify: there were no disk I/O errors, only I/O errors were reported > by find during operation so it is definitely filesystem corruption > that is going on here. > Though find performs heavy read acti

Re: Odd data corruption problem with LVM/ReiserFS

2005-02-22 Thread pcg
On Tue, Feb 22, 2005 at 02:46:44PM -0600, Alex Adriaanse <[EMAIL PROTECTED]> wrote: > On Tue, 22 Feb 2005 20:49:00 +0100, Marc A. Lehmann <[EMAIL PROTECTED]> wrote: > > Well, I do use reiserfs->aes-loop->lvm/dm->md5/raid5, and it never failed > > for me, except once, and the error is likely to be