[PVE-User] Adding a cluster node breaks whole cluster

[Sten Aus]

I have lately rebooted 3 nodes, no luck there. As I told there was 
difference between kernels, now all kernels are at the same versions.

Right now I cannot reboot no single node, because I can not migrate VMs..

On 14.04.15 12:05, Bart Lageweg | Bizway wrote:
>
> Hi,
>
> Error is not lan, but kernel modules -> reboot node and its fixed
>
> Grtz
>
> *Van:*pve-user [mailto:pve-user-bounces at pve.proxmox.com] *Namens *Sten Aus
> *Verzonden:* dinsdag 14 april 2015 11:02
> *Aan:* Dietmar Maurer; mir at miras.org
> *CC:* pve-user at pve.proxmox.com
> *Onderwerp:* Re: [PVE-User] Adding a cluster node breaks whole cluster
>
> 9000 MTU is based only on storage VLANs, which use 10G interfaces.
>
> All Proxmox cluster communication uses VLAN15, MTU1500.
>
> Rebooted Linksys switch, no good. Swapped to another dumb switch 
> without VLANs - again no good.
>
> cman restart in one node
> *service cman restart*
> Stopping cluster:
>    Stopping dlm_controld... [  OK  ]
>    Stopping fenced... [  OK  ]
>    Stopping cman... [  OK  ]
>    Unloading kernel modules... [  OK  ]
>    Unmounting configfs... [  OK  ]
> Starting cluster:
>    Checking if cluster has been disabled at boot... [  OK  ]
>    Checking Network Manager... [  OK  ]
>    Global setup... [  OK  ]
>    Loading kernel modules... ERROR: could not insert 'configfs': Exec 
> format error
> [FAILED]
>
> On 14.04.15 11:58, Dietmar Maurer wrote:
>
>         As I told you, we used dumb Linksys switch for cluster communication and
>
>         it all worked for weekend and yesterday. And yesterday evening whole
>
>         cluster is red again
>
>           
>
>         Yesterday's log:http://pastebin.com/sLpnGgeS
>
>         Pure corosync log:http://pastebin.com/TzyUdYaJ
>
>           
>
>       
>
>     Maybe a problem with packet fragmentation. Do you use special MTU sizes?
>
>       
>

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