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Re: [Xen-devel] A problem about remus

To: taojiang628 <taojiang628@xxxxxxx>
Subject: Re: [Xen-devel] A problem about remus
From: Shriram Rajagopalan <rshriram@xxxxxxxxx>
Date: Mon, 14 Mar 2011 08:47:23 -0700
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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2011/3/14 taojiang628 <taojiang628@xxxxxxx>:
> hello:
> I use remus of xen4.0 . I remus one domain from A host to B host . I get a
> ftp service on the domain and I get a download from the ftp. when I destroy
> the domain on the host A.  In normal circumstances the domain will run on
> the host B.

Do you mean, that remus used to work earlier in your system ?

Are you using xen-4.0-testing tree? or the tarball from xensource?
Either way, the most common issue I have encountered is an error in Xend.log
"Failed to pin batch of .. pagetables"

If that is the case, you need to apply the patch from the current
xen-unstable tree
(alternatively available in xen-4.1-testing tree)

changeset:   22967:5bc39222773d
description: libxc: fix incorrect scanning of pfn array in pagebuf
during migration


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