[PVE-User] Impossible to create two nodes cluster.
Angel Docampo
adocampo at dltec.net
Thu Sep 26 15:26:11 CEST 2013
El 26/09/13 15:16, Luis G. Coralle escribió:
> I think they should be in same network.
> How is configured the other proxmox cluster?
>
>
> 2013/9/26 Angel Docampo <adocampo at dltec.net <mailto:adocampo at dltec.net>>
>
> Everytime I need to create a cluster in proxmox I suffer a bit
> PITA. But
> now I simply can't do it. I've reinstalled several times and
> deleted and
> recreated the cluster again and again. No luck.
>
> Multicast does not work in this network, so I used unicast. There are
> another proxmox cluster in the same network and it's working (it was
> very painfull also to install, but once I realized the problem was
> unicast and the mtu size, it works very well, except when adding a
> node,
> that always is another pain).
>
> So, I would like to explain how I'm doing this and perhaps I'm pretty
> obfuscated to see what is happening.
>
> I've installed two debian 7.1, LVM partitions (not necessary, but
> I did
> it anyway), and installed proxmox. The servers works as expected
> separately.
>
> The server p01 have the IP: 192.168.200.197
> The server p02 have the IP: 192.168.201.191
>
> The two networks are visible each other, and as cluster protocol
> is udp,
> it should work. Am I wrong?
>
> Then on p01, I've created the cluster with "pvecm create testcluster",
> it worked
> I've copied /etc/pve/cluster.conf to /etc/pve/cluster.conf.new,
> increased the version number and add transport="udpu" to the cman
> section and added the section <totem netmtu="1400" /> (I tried without
> it also). Then I've activated the new configuration throught the GUI.
>
> I've double checked /etc/hosts to assure they resolve the names
> through
> this mechanism.
>
> Then on p02 I tried to add the node with "pvecm add p01" (also tried
> with IP and also tried this command from p01, both with hostname
> and IP
> of the p02 node).
>
> root at p02:~# pvecm add p01
> root at p01's
> password:
>
> copy corosync auth
> key
> stopping pve-cluster
> service
> Stopping pve cluster filesystem:
> pve-cluster.
> backup old
> database
>
> Starting pve cluster filesystem :
> pve-cluster.
> Starting
> cluster:
>
> Checking if cluster has been disabled at boot... [ OK
> ]
> Checking Network Manager... [ OK
> ]
> Global setup... [ OK
> ]
> Loading kernel modules... [ OK
> ]
> Mounting configfs... [ OK
> ]
> Starting cman... [ OK
> ]
> Waiting for quorum...
> [FAILED]
> Waiting for quorum...
>
> Well, it never works. The node waits for a quorum forever. I can
> see the
> p02 node on the p01 GUI (with a red light), but I have no access.
> If I run:
> root at p01:~# pvecm status
> Version: 6.2.0
> Config Version: 2
> Cluster Name: testcluster
> Cluster Id: 692
> Cluster Member: Yes
> Cluster Generation: 1276
> Membership state: Cluster-Member
> Nodes: 1
> Expected votes: 1
> Total votes: 1
> Node votes: 1
> Quorum: 1
> Active subsystems: 5
> Flags:
> Ports Bound: 0
> Node name: p01
> Node ID: 1
> Multicast addresses: 239.192.2.182
> Node addresses: 192.168.200.197
>
> root at p02:~# pvecm status
> Version: 6.2.0
> Config Version: 2
> Cluster Name: testcluster
> Cluster Id: 692
> Cluster Member: Yes
> Cluster Generation: 24
> Membership state: Cluster-Member
> Nodes: 1
> Expected votes: 2
> Total votes: 1
> Node votes: 1
> Quorum: 2 Activity blocked
> Active subsystems: 1
> Flags:
> Ports Bound: 0
> Node name: p02
> Node ID: 2
> Multicast addresses: 239.192.2.182
> Node addresses: 192.168.201.191
>
> root at p01:~# pvecm nodes
> Node Sts Inc Joined Name
> 1 M 1276 2013-09-26 13:02:19 p01
> 2 X 0 p02
>
> root at p02:~# pvecm nodes
> Node Sts Inc Joined Name
> 1 X 0 p01
> 2 M 24 2013-09-26 13:04:02 p02
>
> And trying to access from p01 GUI to the local resources of p02,
> Appears
> the message "can't open '/etc/pve/authkey.pub' - No such file or
> directory (401)" As the /etc/pve/ mountpoint on p02 is a) read
> only and
> b) not the same than p01 (i.e: on p01 there are more files), and
> /etc/pve/authkey.pub is not in p02.
>
> Some help is very appretiated
> Regards,
>
> --
> Angel Docampo
>
>
> Nota Legal<http://www.dltec.net/notalegal.html>
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>
>
>
> --
> Luis G. Coralle
May be. Im not sure, but I think that I already mount once a proxmox
cluster with nodes in two different networks... But the actual working
cluster nodes are all in the same network. :S
So I'm going to put them on the same network and I tell you back.
Regards,
--
Angel Docampo
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