[pve-devel] HA: vm shutdown/stop behaviour and other HA questions

Alexandre DERUMIER aderumier at odiso.com
Wed Mar 6 16:25:57 CET 2019


>>One serious HA feature really missing is a way to configure that two or 
>>more VMs most never run on the same node. Eg. there is really no HA for 
>>a cluster if every VM member dies with the same node, 

yep, I have open a bugzilla about antiaffinity (like vmware), some days ago ;)

https://bugzilla.proxmox.com/show_bug.cgi?id=2115



----- Mail original -----
De: "datanom.net" <mir at datanom.net>
À: "pve-devel" <pve-devel at pve.proxmox.com>
Envoyé: Mercredi 6 Mars 2019 08:06:34
Objet: Re: [pve-devel] HA: vm shutdown/stop behaviour and other HA questions

On Wed, 6 Mar 2019 07:59:14 +0100 (CET) 
Alexandre DERUMIER <aderumier at odiso.com> wrote: 

> 
> In the futur, I would like to add some kind of balancing/scheduling 
> of vm (memory/cpu balancing), I think it's the right place to do it ? 
> 
> I have looked in /usr/share/perl5/PVE/HA/Manager.pm, sub 
> select_service_node, seem pretty basic for now. (try node by 
> priority, and by nodeid, try_next if it's failing). I think they are 
> lot of improvment possible here. 

One serious HA feature really missing is a way to configure that two or 
more VMs most never run on the same node. Eg. there is really no HA for 
a cluster if every VM member dies with the same node, 

-- 
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Michael Rasmussen 

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