[PVE-User] Proxmox servers don't see each other anymore

[Gerald Brandt]

Just put a dumb $29 netgear switch in place, and the problem still occurs.

Gerald

On 2017-06-19 10:00 AM, Eneko Lacunza wrote:
> Try putting a "dumb" switch to interconnect all 3 proxmox nodes. Put 
> an uptlink cable to the "original" switch.
>
> I now it works, it's a switch problem - maybe it is broken, maybe it 
> is too smart and is dropping cluster communication packages.
>
> I have seen this two times:
> - One switch was broken and lost packages -> new switch
> - Other switch was core 3Com switch; we seemed unable to configure it 
> not to drop our cluster communication packets, so just bought a dumb 
> enought HP 1810-24g switch just for the proxmox nodes and problem solved.
>
> Cheers
>
> El 19/06/17 a las 16:45, Gerald Brandt escribió:
>> Hi,
>>
>> My proxmox server intermittently don't see each other anymore. I keep 
>> losing quorum.
>>
>> I have 3 Proxmox servers, and they will randomly not see each other. 
>> For a few seconds proxmox-2 will see proxmox-1, but not proxmox-3. 
>> Then it'll switch and proxmox-2 will only see proxmox-3, then it will 
>> see no one but itself.
>>
>> I have the IP and names in /etc/hosts and in DNS.
>>
>> Any idea where I can start looking?
>>
>>
>> Gerald
>>
>>
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>
>