[pve-devel] question/idea : managing big proxmox cluster (100nodes), get rid of corosync ?

Dmitry Petuhov mityapetuhov at gmail.com
Wed Sep 21 05:39:49 CEST 2016


I planned to try gfs2 on couple of my clusters. It will not work without corosync at all, because it's needed for DLM.

21.09.2016 2:25, Alexandre DERUMIER wrote:
> Another question about my first idea (replace corosync),
>
> is is really difficult to replace corosync by something else ?
>
> Sheepdog storage for example, have support for corosync and zookeeper.
>
>
>
> ----- Mail original -----
> De: "datanom.net" <mir at datanom.net>
> À: "pve-devel" <pve-devel at pve.proxmox.com>
> Envoyé: Mercredi 21 Septembre 2016 01:08:48
> Objet: Re: [pve-devel] question/idea : managing big proxmox cluster (100nodes), get rid of corosync ?
>
> On Wed, 21 Sep 2016 00:56:06 +0200 (CEST) 
> Alexandre DERUMIER <aderumier at odiso.com> wrote: 
>
>>>> vmid are unique with a single cluster, but not within several clusters... 
>> yes, that's why I proposed to add some kind of optional prefix to vmid, could be defined in each cluster. 
>>
> Instead of a literal prefix you could use a binary prefix instead. A 
> binary prefix occupies fewer bytes in pmxcfs meaning fewer bytes to 
> exchange between nodes and determine whether a VM is a citizen in this 
> cluster or form a foreign cluster is just a matter of a binary and (&). 
>



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