Am 18.09.2014 um 16:17 schrieb Paolo Bonzini <pbonz...@redhat.com>: > Il 18/09/2014 16:16, Peter Lieven ha scritto: >>> >>>> As you can see from the multiwrite_merge trace the merging has never >>>> been stopped because of >>>> the max_transfer_length. The question is, why are the I/O requests >>>> not coming in as specified? >>> I think that's because of the filesystem. Try writing directly to a >>> device. >> >> thats what I did... > > Ah, I saw of=test.
It was definitely /dev/vda. Any ideas? Maybe something in the virtio drivers? Peter
