Xen users - Feb 2011 - Automation load balancing through live migration of virtual machine.

Hi All,

i want to add the automatic support for load balancing in the xen through
live migration of virtual machine.
for this i wrote a script, which runs as a daemon process with xen and if
the reosurces utilization (like Memory or CPU usage) exceeds
the threshold value then it migrates the virtual machine to the other
server.

but my script runs over the XEN. i am planing to make insert this code in
xen code.
so please suggest me the guide line to work with xen code.


-- 
Regards
Gautam


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On Sat, Feb 12, 2011 at 12:37:01PM -0500, Gautam wrote:
>    Hi All,
> 
>    i want to add the automatic support for load balancing in the xen
through
>    live migration of virtual machine.
>    for this i wrote a script, which runs as a daemon process with xen and
if
>    the reosurces utilization (like Memory or CPU usage) exceeds
>    the threshold value then it migrates the virtual machine to the other
>    server.
> 
>    but my script runs over the XEN. i am planing to make insert this code
in
>    xen code.
>    so please suggest me the guide line to work with xen code.
> 
I believe this kind of functionality should be a script/daemon,
like you have implemented it now.

xm/xend and xl/libxl toolstack are "single host" anyway,
so they don''t really know anything about other hosts.

XAPI toolstack used in XCP (and in Citrix XenServer) has
multi-host pools, but I believe this kind of functionality
already exists there, and can be implemented as plugins.

-- Pasi


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