On Wed, Jan 30, 2013 at 09:05:31PM +0100, Pierre Beck wrote: > Am 30.01.2013 20:02, schrieb Kent Overstreet: > >That delay is a parameter - /sys/fs/bcache/<cache set>/journal_delay_ms. > >Can you set it to 0 and see what happens? It might reduce the number of > >missing transactions, eliminate the missing transactions... or have no > >effect at all. > > > > Test passed. Double-checked. No transactions lost. None at all, ever? That's actually kind of annoying, because we can't definitively distinguish between "fixes bug completely" and "makes bug a lot harder to actually detect". Bah :p Can you run blktrace on the bcache device and the SSD for a second or two while your msql test is running? Maybe if I stare at the trace I'll get lucky and see something wrong. > I really want to see bcache in mainline kernel soon. It's such a > great addition for storage arrays. Let's polish it up. When you have > a fix, I'll test a full storage stack on it. Ext4 alone is boring > :-) Working on it :D -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
