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[Xen-users] Poor hard disk performance on xen-3/dom0
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| Subject: | [Xen-users] Poor hard disk performance on xen-3/dom0 |
| From: | "Woon Wai Keen @ doubleukay.com" <doubleukay@xxxxxxxxxxxxxx> |
| Date: | Sun, 25 Dec 2005 06:41:17 +0800 |
| Delivery-date: | Fri, 30 Dec 2005 15:32:07 +0000 |
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On a vanilla 2.6.12 kernel, I get: 60MB/s for hdparm -t /dev/sd[a|b] (on an Intel ICH7 SATA controller). 30MB/s for hdparm -t /dev/hda (Intel ICH7)On the xen dom0 kernel, I get 20MB/s for all three devices. Xen is compiled with the following: xen_changeset : Fri Dec 9 11:05:06 2005 +0000 8311:53cff3f88e45 cc_compiler : gcc version 3.3.5 (Debian 1:3.3.5-13) Does anyone else face similar problems? -- Regards, wK (www.doubleukay.com)
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