HP DL360G5 + P400i SAS RAID5 + RHEL5.1 + x86_64 + Xen + tap:aio: = extremely slow disk I/O :-<
- file: 20MB/s
- tap:aio: 500kB/s
ooooops....
and my work around is;
--- /usr/sbin/virt-install 2007-08-03 22:50:19.000000000 +0900 +++ /usr/sbin/virt-install-driver-file 2008-01-25 09:47:23.000000000 +0900 @@ -148,7 +148,7 @@ disk = size = None continue if d.type == virtinst.VirtualDisk.TYPE_FILE and not(hvm) and virtinst.util.is_blktap_capable(): - d.driver_name = virtinst.VirtualDisk.DRIVER_TAP + d.driver_name = virtinst.VirtualDisk.DRIVER_FILE except ValueError, e: print "ERROR: ", e disk = size = None
....anybody same experience?
(080201)
Re: [Xen-users] tap:aio Performance - Xen Source
"file:" seems not to be reliable. Wonderful. I need "tap:aio" works fine... Please anybody help...