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2012 Aug 03
1
Guest disk (LVM on SSD) too slow. Xen unstable, DomU-win XP sp2
...B/s
The same guest running in KVM-Qemu (standard installed on Ubuntu 12.04) has:
seq (R/W) :319 / 146 MB/s
512k(R/W) :306 / 143 MB/s
4K(R/W) :10 / 7 MB/s
4K QD32(R/W):12 / 9 MB/s
Need only Xen because of second graphic card pass through (here works fine).
I have:
intel e5-1620, 64 GB uDDR @1333Mgz, Dom0 on SSD OCZ Vertex4(@SATA3 port). Second SSD OCZ Agility 3 (@SATA3 port) with LVM 2 only for DomU.
Kernel (3.4.7) + Xen unstable(rev 25705, Aug 02 14:44:53 2012 +0100) self compiled (according to Manual of Teo En Ming)
DimU: Windows XP sp 2
# lvdisplay
File descriptor 8 (pipe:[16062]...