[PVE-User] cluster not ready - no quorum? (500)

[para zheng]

but i have not change the network.
need i put what traces here?

2012/10/9 Dietmar Maurer <dietmar at proxmox.com>:
> seem you cluster communication does not work (multicast problem)
>
>> -----Original Message-----
>> From: pve-user-bounces at pve.proxmox.com [mailto:pve-user-
>> bounces at pve.proxmox.com] On Behalf Of para zheng
>> Sent: Dienstag, 09. Oktober 2012 06:33
>> To: pve-user at pve.proxmox.com
>> Subject: [PVE-User] cluster not ready - no quorum? (500)
>>
>> hi, dear all
>>
>>      when i create one VM just now, i found this error:
>>
>> "cluster not ready - no quorum? (500)"
>> and
>> Formatting '/var/lib/vz/images/184/vm-184-disk-1.raw', fmt=raw
>> size=34359738368 TASK ERROR: create failed - unable to open file
>> '/etc/pve/nodes/server1/qemu-server/184.conf.tmp.858209' - Device or
>> resource busy
>>
>> root at server1:/etc/pve/local# pvecm nodes
>> Node  Sts   Inc   Joined               Name
>>    1   M   2136   2012-10-09 11:28:00  server1
>>    2   X      0                        server2
>>    3   X      0                        server3
>>    4   X      0                        server4
>>    5   X      0                        server5
>>    6   X      0                        server6
>>    7   X      0                        server8
>>    8   X      0                        server7
>>    9   X      0                        server9
>>
>> all the nodes are disconnected.
>>
>> root at server2:~# pvecm nodes
>> Node  Sts   Inc   Joined               Name
>>    1   X   2124                        server1
>>    2   M   2120   2012-09-22 08:05:23  server2
>>    3   X   2120                        server3
>>    4   X   2132                        server4
>>    5   X   2120                        server5
>>    6   X   2128                        server6
>>    7   X   2120                        server8
>>    8   X   2120                        server7
>>    9   X   2120                        server9
>>
>> then I restart the CMAN, but it failed...
>>
>> root at server1:/etc/pve/local#  service cman start 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... Timed-out waiting for cluster [FAILED]
>>
>>  i am confused that what caused this happened?anyone comes across this
>> issue and how to solve this? many thanks!
>>
>> cheers,
>> para
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>
>