Xen Dom0 vs. DomU disk I/O

To: "NetBSD Users's Discussion List" <netbsd-users%netbsd.org@localhost>
Subject: Xen Dom0 vs. DomU disk I/O
From: Stephan <stephanwib%googlemail.com@localhost>
Date: Tue, 20 Nov 2012 10:41:36 +0100

Hi all

I have a NetBSD 6.0 amd64 Xen host with Xen 4.1 hypervisor installed. The local disk I/O write speed is about 90MB/s. A NetBSD 6.0 DomU won´t write more than 6MB/s to the very same disk, also trying different block sizes.

I´d like to know what other Xen users experience regarding this.

Regards,

Stephan

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