> On Tue, 2006-05-23 at 13:31 +0100, Stephen C. Tweedie wrote: > >> File-backed guest: >> dom0 hdparm -t: 85.7138 MB/sec >> domU hdparm -t: 75.2901 MB/sec > > That was rawhide; I get similar performance from current FC5: > > domU hdparm -t: 77.99 MB/sec > > and identical results testing the raw disk rate with lmdd. Bleah.. didn't CC the list: Mine: DBD - 5G LVM partition on a 7200RPM IDE 200G: [root@xm-fc5-001 ~]# dd if=/dev/zero of=/home/foo bs=4k count=25000 25000+0 records in 25000+0 records out 102400000 bytes (102 MB) copied, 2.06112 seconds, 49.7 MB/s DBD - 120G dedicated disk 7200RPM IDE (phy device set as xvdb) [root@xm-fc5-001 ~]# dd if=/dev/zero of=/export/foo bs=4k count=25000 25000+0 records in 25000+0 records out 102400000 bytes (102 MB) copied, 0.719008 seconds, 142 MB/s hdparm returns similar results. The first physical device is shared with four other DomU's. -- * The Digital Hermit http://www.digitalhermit.com * Unix and Linux Solutions kwan@xxxxxxxxxxxxxxxxx
