libvirt users - Jul 2011 - Xm driver only supports modifying persistent config.

Dear all.
I use libvirt to attach a volume to xen's guest VM,but l got the following
message:

Attached device: /dev/sdb
[Mon Jul  4 09:18:58 2011][006640][EUCAERROR ] libvirt: Requested operation is
not valid: Xm driver only supports modifying persistent config (code=55)
[Mon Jul  4 09:18:58 2011][006640][EUCAERROR ] AttachVolume() failed (err=-1)
XML=<disk type='block'><driver
name='phy'/><source dev='/dev/sdb'/><target
dev='sdae'/></d
isk>
[Mon Jul  4 09:18:58 2011][006640][EUCAERROR ] ERROR: doAttachVolume() failed
error=1
[Mon Jul  4 09:19:02 2011][006640][EUCADEBUG ] doDescribeResource() invoked
[Mon Jul  4 09:19:02 2011][006640][EUCADEBUG ] doDescribeInstances() invoked

any help will be greatly appreciated.
Thank you in advance...

2011-07-05



zhuxuegang
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