[one-users] VM reschedule and Host flush features through Live Migration

[Ruben S. Montero]

Hi

Both operations uses the scheduler, the migration action of the scheduler
can be configured in sched.conf, change

LIVE_RESCHEDS  = 0

to 1. Then re-schedule and flush  will use live migrations.

As a side note, We are also adding more "DRS" like features with the
storage scheduler. You will be able to define policies on what datastore
will be used to deploy a given VM.

Cheers

Ruben




On Fri, Sep 13, 2013 at 5:53 AM, Shek Mohd Fahmi Abdul Latip <
fahmi.latip at mimos.my> wrote:

>  Hi all,
>
> I performed few tests on VM reschedule and Host flush features, as a
> result it gave me some doubt on top of my head.
>
> The behavior of “onevm resched” and “onehost flush”  execution is using
> “cold migration” instead of using “Live Migration”. Is there any reason why
> it cannot be done through Live Migration? Can this feature be enabled on
> the next release perhaps as an option e.g. “onevm resched <vmid> --live”
> and “onehost flush <hostid> --live”?
>
> p.s: “onevm resched” feature I keep comparing with VMware features called
> “DRS” and “onehost flush” feature with “host maintenance” as both done via
> “VMotion” in VMware.
>
> Best regards,
> .fahmie
>
>
>
>
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>


-- 
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Join us at OpenNebulaConf2013 in Berlin, 24-26 September, 2013
-- 
Ruben S. Montero, PhD
Project co-Lead and Chief Architect
OpenNebula - The Open Source Solution for Data Center Virtualization
www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula
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