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[Xen-users] Disk performance on HVM domains
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-users] Disk performance on HVM domains |
| From: | Marc Patino Gómez <mpatino@xxxxxxxxxxxx> |
| Date: | Mon, 01 Oct 2007 13:48:41 +0200 |
| Delivery-date: | Mon, 01 Oct 2007 04:48:39 -0700 |
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Hi list,I converted one old FreeBSD 4.9 box to HVM domU (with AMD-V processors, with Intel-VT doesn't work). All works fine, but disk performance is too poor... about 8MB/s (in dom0 i get about 40MB/s). I did some test with VBD with file backed and LVM but performance stills poor. Any advices? Is possible to use blktap in this case? Any pointers? If I use a SAN, network performance on HVM will be a problem? What's about tgt?I have one HVM old linux 2.4 domU and I can get far more disk troughtput than with FreeBSD, it is normal? In this case, domU is on Intel-VT Xen server, is Intel-VT io implementation better than AMD? At now, I'm only testing, in the future I will need to virtualize some old FreeBSD servers with quite great IO demand Many thanks, Marc _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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