On Mon, Jan 28, 2013 at 06:26:50PM +0100, Lars Ellenberg wrote: > On Mon, Jan 28, 2013 at 05:57:43PM +0100, Lars Ellenberg wrote: > > On Mon, Jan 28, 2013 at 04:04:32PM +0100, Matthias Hensler wrote: > > > Hi, > > > > > > On Mon, Jan 28, 2013 at 03:26:49PM +0100, Felix Frank wrote: > > > > On 01/26/2013 06:19 PM, Matthias Hensler wrote: > > > > > Jan 26 15:32:21 lisa kernel: block drbd12: IO ERROR: neither local > > > > > nor remote data, sector 0+0 > > > > > Jan 26 15:32:21 lisa kernel: block drbd9: IO ERROR: neither local nor > > > > > remote data, sector 0+0
> Ok. I think we may in fact have a real bug there. > I still need to reproduce and double check, but it looks like > "empty flushes" (file system barriers) on a Diskless Primary > may be affected, obviously only on systems that do support those, > which is drbd 8.3.14 and 8.3.15, on kernels that implement "barrier" > as REQ_FLUSH/REQ_FUA (not REQ_BARRIER). > > drbd 8.4 should be good. Correction: 8.4 was also affected :-( Patches for both versions are being tested. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. _______________________________________________ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user
