Il 10/08/2012 14:35, Stefan Priebe - Profihost AG ha scritto: >> >> One way to activate passthough is via scsi-generic: >> Example: >> -device lsi -device scsi-generic,drive=MyISCSI \ >> -drive file=iscsi://10.1.1.125/iqn.ronnie.test/1,if=none,id=MyI > > When i do this the guest system always uses the sym53c8xx kernel module. > This results in 70 iops instead of 30000 iops. Is this really correct > that it uses the very old sym53c8xx kernel module for this device? > > used start command: > http://pastebin.com/raw.php?i=23fkaQgc
Just replace lsi with virtio-scsi-pci again. Also, using scsi-block instead of scsi-generic should have better performance, but I'm not sure Ronnie tested it with libiscsi. Paolo
