[PVE-User] Recurring crashes after cluster upgrade from 5 to 6

[Alexandre DERUMIER]

Hi,

do you have upgrade all your nodes to

corosync                              3.0.2-pve4
libknet1:amd64                        1.13-pve1 


?

(available in pve-no-subscription et pve-enteprise repos)

----- Mail original -----
De: "Eneko Lacunza" <elacunza at binovo.es>
À: "proxmoxve" <pve-user at pve.proxmox.com>
Envoyé: Jeudi 7 Novembre 2019 15:35:38
Objet: Re: [PVE-User] Recurring crashes after cluster upgrade from 5 to 6

Hi all, 

We updated our office cluster to get the patch, but got a node reboot on 
31th october. Node was fenced and rebooted, everything continued working OK. 

Is anyone experencing yet this problem? 

Cheers 
Eneko 

El 2/10/19 a las 18:09, Hervé Ballans escribió: 
> Hi Alexandre, 
> 
> We encouter exactly the same problem as Laurent Caron (after upgrade 
> from 5 to 6). 
> 
> So I tried your patch 3 days ago, but unfortunately, the problem still 
> occurs... 
> 
> This is a really annoying problem, since sometimes, all the PVE nodes 
> of our cluster reboot quasi-simultaneously ! 
> And in the same time, we don't encounter this problem with our other 
> PVE cluster in version 5. 
> (And obviously we are waiting for a solution and a stable situation 
> before upgrade it !) 
> 
> It seems to be a unicast or corosync3 problem, but logs are not really 
> verbose at the time of reboot... 
> 
> Is there anything else to test ? 
> 
> Regards, 
> Hervé 
> 
> Le 20/09/2019 à 17:00, Alexandre DERUMIER a écrit : 
>> Hi, 
>> 
>> a patch is available in pvetest 
>> 
>> http://download.proxmox.com/debian/pve/dists/buster/pvetest/binary-amd64/libknet1_1.11-pve2_amd64.deb 
>> 
>> 
>> can you test it ? 
>> 
>> (you need to restart corosync after install of the deb) 
>> 
>> 
>> ----- Mail original ----- 
>> De: "Laurent CARON" <lcaron at unix-scripts.info> 
>> À: "proxmoxve" <pve-user at pve.proxmox.com> 
>> Envoyé: Lundi 16 Septembre 2019 09:55:34 
>> Objet: [PVE-User] Recurring crashes after cluster upgrade from 5 to 6 
>> 
>> Hi, 
>> 
>> 
>> After upgrading our 4 node cluster from PVE 5 to 6, we experience 
>> constant crashed (once every 2 days). 
>> 
>> Those crashes seem related to corosync. 
>> 
>> Since numerous users are reporting sych issues (broken cluster after 
>> upgrade, unstabilities, ...) I wonder if it is possible to downgrade 
>> corosync to version 2.4.4 without impacting functionnality ? 
>> 
>> Basic steps would be: 
>> 
>> On all nodes 
>> 
>> # systemctl stop pve-ha-lrm 
>> 
>> Once done, on all nodes: 
>> 
>> # systemctl stop pve-ha-crm 
>> 
>> Once done, on all nodes: 
>> 
>> # apt-get install corosync=2.4.4-pve1 libcorosync-common4=2.4.4-pve1 
>> libcmap4=2.4.4-pve1 libcpg4=2.4.4-pve1 libqb0=1.0.3-1~bpo9 
>> libquorum5=2.4.4-pve1 libvotequorum8=2.4.4-pve1 
>> 
>> Then, once corosync has been downgraded, on all nodes 
>> 
>> # systemctl start pve-ha-lrm 
>> # systemctl start pve-ha-crm 
>> 
>> Would that work ? 
>> 
>> Thanks 
>> 
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