[PVE-User] HA Group - VM Prioriy

[Gilberto Nunes]

That's nice.
Thanks a lot

Em 20 de fev de 2017 10:26, "Thomas Lamprecht" <t.lamprecht at proxmox.com>
escreveu:

Am 19.02.2017 um 19:43 schrieb Gilberto Nunes:

> I running some test for myself and realize that in a two node HA cluster,
> when I set the nodeA to priority 1 and nodeB to priority 2, the running VM
> migrated to nodeB. On the other hand, when set nodeA to priority 2, and
> nodeB to priority 1, the running VM migrated to nodeA.
> So I thing the priority affect where the VM reside. Perhaps I am wrong...
> If so please correct me.
>
>
Yes, this is the single thing the priority is for :)
Citing my last mail and our documentation:


A resource bound to a group will run on the available nodes with the
> highest priority.
>


cheers,
Thomas



Thanks
>
> Em 19 de fev de 2017 13:54, "Thomas Lamprecht" <t.lamprecht at proxmox.com>
> escreveu:
>
>
> Am 18.02.2017 um 00:23 schrieb Gilberto Nunes:
>
> Hi List
>>
>> Let's suppose we have 3 nodes HA Proxmox.
>> There is a screen where we can define certain priority to certain VM.
>> Which priority is the highest???  0? 1?? N + 0??
>>
>>
>> There are now help buttons integrated in most dialogues, they should link
> to the part of the docs describing the dialogue parameters.
>
> In this case it would be:
> http://pve.proxmox.com/pve-docs/chapter-ha-manager.html#ha_manager_groups
>
>
>  nodes: <node>[:<pri>]{,<node>[:<pri>]}*
>
>>
>>     List of cluster node members, where a priority can be given to each
>> node.
>>     A resource bound to a group will run on the available nodes with the
>> highest priority.
>>  If there are more nodes in the highest priority class, the services will
>> get
>>     distributed to those nodes. The priorities have a relative meaning
>> only.
>>
>>
>
> So, the higher you set the priority the higher is a nodes priority.
> Also, as mentioned in the docs: this are just relative meanings, i.e. the
> highest priority is the highest you set :)
>
>
> So a group with:
>
>  > nodeA:1,nodeB:2,nodeC:3
>
> Would have the *exact* same results as:
>
>  > nodeA:11,nodeB:222,nodeC:30101
>
> as an exaggerating example.
>
> cheers,
> Thomas
>
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