Hi James,
There is a tool called NWS (network weather service), that can not only
measure but also predict cpu usage, network bandwidth and latency as
well as other machine characteristics. This tool can help you make
better informed decisions about when and where to migrate your domU. It
is widely used in distributed systems, and it would be pretty simple to
deploy it on Xen Dom0 and write a simple application to trigger
migration based on the information the tool provides. The link to the
tool is at http://nws.cs.ucsb.edu
Hope this helps,
Lamia Youseff
> Message: 5
> Date: Fri, 9 Jun 2006 11:55:40 -0500
> From: "James Miller" <jimm@simutronics.com>
> Subject: [Xen-users] Load detection and domU migration
> To: <xen-users@lists.xensource.com>
> Message-ID: <GJEGKFGLCCDAOOCGDAMMAEDJCBAA.jimm@simutronics.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Is anyone aware of any tools to trigger a domU migration (live) based on
> memory/cpu load? It would need to monitor both Dom0 servers as well as all
> DomUs to determine the best Dom0 server to migrate to.
>
> I''m sure it wouldn''t be too hard (famous last words) to
write something up
> which monitors the Dom0s and domUs using SNMP and MON but why re-invent the
> wheel if a tool already exists ;)
>
>
>
>
> Thanks,
> Jim
>
>
>
> James Miller - MCSE, CISSP
> Sr Systems & Network Administrator
> Simutronics Corp.
> www.play.net
> 636.946.4263 x113
>
>
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