On 08/15/2012 03:05 PM, Martin Wawro wrote: > > On Aug 15, 2012, at 1:30 PM, Avi Kivity wrote: > >>> We have noticed a strange thing in one of our setups which uses KVM for >>> virtualization. >>> The size of the buffer cache turns out to be rather large >>> [,,,] >>> >> >> How is you storage set up? Files (which format?) or logical volumes? >> what's the cache= setting? > > We are using logical volumes and the cache is set to 'none'. Strange, that should work without any buffering. What the contents of /sys/block/sda/queue/hw_sector_size and /sys/block/sda/queue/logical_block_size ? Replace sda by the disk underlying your physical volume. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html