[Linux-cluster] two node cluster with IP tiebreaker failed.

Kein He kein.he at gmail.com
Wed Feb 25 06:20:00 UTC 2009


Hi Mockey,

Could you please attach the output from " cman_tool status " and " 
cman_tool nodes -f" ?



Mockey Chen wrote:
> Hi,
>
> I have a two-nodes cluster, to avoid split-brain. I use ilo as fence
> device, IP tiebreaker. here is my /etc/cluster/cluster.conf
> <?xml version="1.0"?>
> <cluster alias="azerothcluster" config_version="19" name="azerothcluster">
>     <cman expected_votes="3" two_node="0"/>
>     <clusternodes>
>         <clusternode name="as-1.localdomain" nodeid="1" votes="1">
>             <fence>
>                 <method name="1">
>                     <device name="ilo1"/>
>                 </method>
>             </fence>
>         </clusternode>
>         <clusternode name="as-2.localdomain" nodeid="2" votes="1">
>             <fence>
>                 <method name="1">
>                     <device name="ilo2"/>
>                 </method>
>             </fence>
>         </clusternode>
>     </clusternodes>
>         <quorumd interval="1" tko="10" votes="1" label="pingtest">
>                 <heuristic program="ping 10.56.150.1 -c1 -t1" score="1"
> interval="2" tko="3"/>
>         </quorumd>
>     <fence_daemon post_fail_delay="0" post_join_delay="3"/>
>     <fencedevices>
>         <fencedevice agent="fence_ilo" hostname="10.56.154.18"
> login="power" name="ilo1" passwd="pass"/>
>         <fencedevice agent="fence_ilo" hostname="10.56.154.19"
> login="power" name="ilo2" passwd="pass"/>
>     </fencedevices>
> ...
> ...
>
> To test one node lost heartbeat case, I disable ethereal card (eth0) on
> as-1, I expect as-2 takeover services on as-1 and as-1 node reboot.
> The actual is as-1 lost connection to as-2.  as-2 detected it and try to
> re-construct cluster, but failed, here is the syslog form as-2
>
> Feb 24 21:25:35 as-2 openais[4139]: [TOTEM] The token was lost in the
> OPERATIONAL state.
> Feb 24 21:25:35 as-2 openais[4139]: [TOTEM] Receive multicast socket
> recv buffer size (288000 bytes).
> Feb 24 21:25:35 as-2 openais[4139]: [TOTEM] Transmit multicast socket
> send buffer size (262142 bytes).
> Feb 24 21:25:35 as-2 openais[4139]: [TOTEM] entering GATHER state from 2.
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] entering GATHER state from 0.
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] Creating commit token
> because I am the rep.
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] Saving state aru 1f4 high
> seq received 1f4
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] Storing new sequence id for
> ring 2c
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] entering COMMIT state.
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] entering RECOVERY state.
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] position [0] member
> 10.56.150.4:
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] previous ring seq 40 rep
> 10.56.150.3
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] aru 1f4 high delivered 1f4
> received flag 1
>
> Message from syslogd@ at Tue Feb 24 21:25:40 2009 ...
> as-2 clurgmgrd[4194]: <emerg> #1: Quorum Dissolved Feb 24 21:25:40 as-2
> openais[4139]: [TOTEM] Did not need to originate any messages in recovery.
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] Sending initial ORF token
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ] CLM CONFIGURATION CHANGE
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ] New Configuration:
> Feb 24 21:25:40 as-2 clurgmgrd[4194]: <emerg> #1: Quorum Dissolved
> Feb 24 21:25:40 as-2 kernel: dlm: closing connection to node 1
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ]     r(0) ip(10.56.150.4) 
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ] Members Left:
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ]     r(0) ip(10.56.150.3) 
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ] Members Joined:
> Feb 24 21:25:40 as-2 openais[4139]: [CMAN ] quorum lost, blocking activity
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ] CLM CONFIGURATION CHANGE
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ] New Configuration:
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ]     r(0) ip(10.56.150.4) 
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ] Members Left:
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ] Members Joined:
> Feb 24 21:25:40 as-2 openais[4139]: [SYNC ] This node is within the
> primary component and will provide service.
> Feb 24 21:25:40 as-2 ccsd[4130]: Cluster is not quorate.  Refusing
> connection.
> Feb 24 21:25:40 as-2 openais[4139]: [TOTEM] entering OPERATIONAL state.
> Feb 24 21:25:40 as-2 ccsd[4130]: Error while processing connect:
> Connection refused
> Feb 24 21:25:40 as-2 openais[4139]: [CLM  ] got nodejoin message
> 10.56.150.4
> Feb 24 21:25:40 as-2 ccsd[4130]: Invalid descriptor specified (-111).
> Feb 24 21:25:40 as-2 openais[4139]: [CPG  ] got joinlist message from
> node 2
> Feb 24 21:25:40 as-2 ccsd[4130]: Someone may be attempting something evil.
> Feb 24 21:25:40 as-2 ccsd[4130]: Error while processing get: Invalid
> request descriptor
> Feb 24 21:25:40 as-2 ccsd[4130]: Invalid descriptor specified (-111).
> Feb 24 21:25:41 as-2 ccsd[4130]: Someone may be attempting something evil.
> Feb 24 21:25:41 as-2 ccsd[4130]: Error while processing get: Invalid
> request descriptor
> Feb 24 21:25:41 as-2 ccsd[4130]: Invalid descriptor specified (-21).
> Feb 24 21:25:41 as-2 ccsd[4130]: Someone may be attempting something evil.
> Feb 24 21:25:41 as-2 ccsd[4130]: Error while processing disconnect:
> Invalid request descriptor
> Feb 24 21:25:41 as-2 avahi-daemon[3756]: Withdrawing address record for
> 10.56.150.144 on eth0.
> Feb 24 21:25:41 as-2 in.rdiscd[8641]: setsockopt (IP_ADD_MEMBERSHIP):
> Address already in use
> Feb 24 21:25:41 as-2 in.rdiscd[8641]: Failed joining addresse
>
>
>
>
> I also found there are some errors in as-1's syslog
> Feb 25 11:27:09 as-1 clurgmgrd[4332]: <err> #52: Failed changing RG status
> Feb 25 11:27:09 as-1 clurgmgrd: [4332]: <warning> Link for eth0: Not
> detected
> Feb 25 11:27:09 as-1 clurgmgrd: [4332]: <warning> No link on eth0...
> ...
> Feb 25 11:27:36 as-1 ccsd[4268]: Unable to connect to cluster
> infrastructure after 30 seconds.
> ...
> Feb 25 11:28:06 as-1 ccsd[4268]: Unable to connect to cluster
> infrastructure after 60 seconds.
> ...
> Feb 25 11:28:06 as-1 ccsd[4268]: Unable to connect to cluster
> infrastructure after 90 seconds.
>
>
> any comment is appreciated!
>
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