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Uniqueness of UUID(s) across hosts
Hi,

I'm trying to associate some xen api objects, and have some queries on
the same. It'll be great if someone can provide some information.

As per the api documentation for Xen 3.1, (API version 1.0), the uuid
for an object is guaranteed to be same across multiple sessions.
However, if I have a cluster of xen-servers installed, is it guaranteed
that there will not be any conflicting uuids across them (for any of the
api objects) ?

Also, when I live migrate a vm, will the uuid of the vm (and its
associated objects) on the target server be same as they were on the
source server.

Thanks,
Saurabh.

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Re: Uniqueness of UUID(s) across hosts [ In reply to ]
Hi, Saurabh
when i performed migration from one server to another by xm command,the
uuid of the vm on the destination is the same as the source.I think it is
similar to Xen api.
There is a live migrate reference, maybe help to you!

(See attached file: live Migration.pdf)

Best,
Regards

Daisy Guo Lian Yun
E-mail: yunguol@cn.ibm.com
IBM China Development Lab, Shanghai, China
TEL: (86)-21-61008057



Saurabh Garg
<saurabh.g.garg@o
racle.com> To
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xen-api-bounces@l cc
ists.xensource.co
m Subject
[Xen-API] Uniqueness of UUID(s)
across hosts
2007-08-06 17:10









Hi,

I'm trying to associate some xen api objects, and have some queries on
the same. It'll be great if someone can provide some information.

As per the api documentation for Xen 3.1, (API version 1.0), the uuid
for an object is guaranteed to be same across multiple sessions.
However, if I have a cluster of xen-servers installed, is it guaranteed
that there will not be any conflicting uuids across them (for any of the
api objects) ?

Also, when I live migrate a vm, will the uuid of the vm (and its
associated objects) on the target server be same as they were on the
source server.

Thanks,
Saurabh.

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