Open Stack

Okay that is pretty much aligned with what I was thinking - custom
monitor/trigger/action. An ask coming out of one of our design discussions
today was what products exist that do (or attempt to) address what is
normally handled by workload management toolkits such as VMware DRS.

//adam


*Adam Lawson*

AQORN, Inc.
427 North Tatnall Street
Ste. 58461
Wilmington, Delaware 19801-2230
Toll-free: (844) 4-AQORN-NOW ext. 101
International: +1 302-387-4660
Direct: +1 916-246-2072

On Wed, Mar 2, 2016 at 3:38 PM, Kris G. Lindgren <klindgren at godaddy.com>
wrote:

> We would love to have something like that as well.
>
> However, to do it in openstack would mean that something would have to
> gather/monitor the health of the HV's and not only disable new provisions
> but kick off/monitor the migrations off the host and onto the new chosen
> destinations .  Also, due to the fact that some migration may never
> complete (dirtying pages faster than you can copy them) it would have to
> have some smarts to select the vm's that have the higher chance of being
> migrated.
>
> ___________________________________________________________________
> Kris Lindgren
> Senior Linux Systems Engineer
> GoDaddy
>
> From: Edgar Magana <edgar.magana at workday.com>
> Date: Wednesday, March 2, 2016 at 4:31 PM
> To: Adam Lawson <alawson at aqorn.com>, "
> openstack-operators at lists.openstack.org" <
> openstack-operators at lists.openstack.org>
> Subject: Re: [Openstack-operators] Workload Management
> (post-instantiation)
>
> We have done it with nagios checks and customize ruby code.
>
> Edgar
>
> From: Adam Lawson <alawson at aqorn.com>
> Date: Wednesday, March 2, 2016 at 1:48 PM
> To: "openstack-operators at lists.openstack.org" <
> openstack-operators at lists.openstack.org>
> Subject: [Openstack-operators] Workload Management (post-instantiation)
>
> Hello fellow Ops-minded stackers!
>
> I understand OpenStack uses scheduler logic to place a VM on a host to
> ensure the load is balanced across hosts. My 64 million dollar question is:
> Has anyone identified a way to monitor capacity across all hosts on an
> ongoing basis and automatically live migrate VM's as needed to ensure hosts
> resource consumption is balanced over time?
>
> It seems the scheduler addresses capacity at the time of instantiation but
> there's nothing that addresses optimal usage AFTER the VM is initially
> placed.
>
> Thoughts/experiences?
>
> //adam
>
> * Adam Lawson*
>
> AQORN, Inc.
> 427 North Tatnall Street
> Ste. 58461
> Wilmington, Delaware 19801-2230
> Toll-free: (844) 4-AQORN-NOW ext. 101
> International: +1 302-387-4660
> Direct: +1 916-246-2072
>
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