[pve-devel] QDvice

[Gilberto Nunes]

Ok Thomas...

Thanks for all this information....

My best!

2017-03-31 8:57 GMT-03:00 Thomas Lamprecht <t.lamprecht at proxmox.com>:

> Yes, if this storage can run the corosync-qnetd daemon.
> So, if your storage is a Linux-ish Box then it's highly probable that you
> can install it.
> There are also BSD ports of corosync, so in general it should be possible
> there too.
>
> Note, that while currently I would not recommend it for any enterprise
> operation,
> I did some successful test with running the qnet daemon on a Raspberry PI
> (1 and 3).
> So, this would be surely interesting for homelab setups too, IMHO.
>
> cheers,
> Thomas
>
>
> On 03/31/2017 12:42 PM, Gilberto Nunes wrote:
>
>> Thanks for this nice explanation Thomas.
>> I suppose qdevice could be install in the storage for 2 node cluster
>> solution,  right??
>>
>>
>>
>> Em 31 de mar de 2017 04:24, "Thomas Lamprecht" <t.lamprecht at proxmox.com>
>> escreveu:
>>
>> Hi,
>>
>>
>> On 03/30/2017 10:38 PM, Gilberto Nunes wrote:
>>
>> Hi folks
>>>
>>> I have read something about QDevice will be implement inside PVE 5.x.
>>> What is the purpose of QDevice? Is it mean that it will be possible have
>>> a
>>> secure 2 node cluster??
>>>
>>> A QDevice is a daemon that runs on an external Server,
>> said Server does not have to be a Proxmox VE Node (but theoretically it
>> can
>> be),
>> it is enough to be a Linux distribution which supports Corosync and has it
>> packaged.
>>
>> 2 Node is still not really possible at least in the classical sense, what
>> is possible is a 2
>> Proxmox VE nodes and a third outside of cluster node.
>> So it should be a improvement for the not seldom 2 PVE Nodes + 1 Storage
>> Box setup.
>>
>> As it runs over TCP and updates in a 20 second interval, or immediately on
>> partition
>> change (node connection loss/addition), it is a little more flexible
>> regarding network
>> than UDP/multicast.
>>
>> The current beta has a small bug during the installation of
>> corosync-qdevice, a fix has
>> been applied to our git already and should get packaged and released in
>> the
>> next days.
>> With this fix you are already able to try it out, I'm trying to document
>> it
>> and evaluate if
>> we can automate the addition sanely :)
>>
>> cheers,
>> Thomas
>>
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>
>
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-- 
Obrigado

Cordialmente


Gilberto Ferreira

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