Hi, On Mon, Jan 28, 2013 at 06:26:50PM +0100, Lars Ellenberg wrote: > 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. > > We'll see what we can do.
OK, thanks. I'd rather use a fixed 8.3-version, than upgrading to 8.4 on that cluster (at least as short-term solution, an 8.4 upgrade might happen later this year if properly tested in our environment). Regards, Matthias
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