[Pacemaker] fence_xvm / fence_virtd problem
Andrew Beekhof
andrew at beekhof.net
Wed Jun 19 03:53:56 UTC 2013
Try the default multicast address perhaps?
address = "225.0.0.12";
You checked /etc/cluster/fence_xvm.key match on both machines I assume?
On 17/06/2013, at 4:09 AM, Digimer <lists at alteeve.ca> wrote:
> Guest's firewall is off entirely, as is selinux.
>
> On 06/16/2013 02:25 AM, Vladislav Bogdanov wrote:
>> 16.06.2013 06:19, Digimer wrote:
>>> Tried allowing everything into the host from the bridge. No luck...
>>
>> I meant guest's firewall.
>>
>>> Tried with;
>>>
>>> iptables -I INPUT -i virbr0 -j ACCEPT
>>>
>>> new rules;
>>>
>>> ====
>>> # Generated by iptables-save v1.4.16.2 on Sat Jun 15 23:17:15 2013
>>> *nat
>>> :PREROUTING ACCEPT [397:94492]
>>> :INPUT ACCEPT [34:7520]
>>> :OUTPUT ACCEPT [709:61932]
>>> :POSTROUTING ACCEPT [681:59876]
>>> -A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -p tcp -j
>>> MASQUERADE --to-ports 1024-65535
>>> -A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -p udp -j
>>> MASQUERADE --to-ports 1024-65535
>>> -A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -j MASQUERADE
>>> COMMIT
>>> # Completed on Sat Jun 15 23:17:15 2013
>>> # Generated by iptables-save v1.4.16.2 on Sat Jun 15 23:17:15 2013
>>> *mangle
>>> :PREROUTING ACCEPT [52594:46854362]
>>> :INPUT ACCEPT [38456:45153011]
>>> :FORWARD ACCEPT [13667:1595902]
>>> :OUTPUT ACCEPT [28298:2665665]
>>> :POSTROUTING ACCEPT [42095:4288350]
>>> -A POSTROUTING -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM
>>> --checksum-fill
>>> COMMIT
>>> # Completed on Sat Jun 15 23:17:15 2013
>>> # Generated by iptables-save v1.4.16.2 on Sat Jun 15 23:17:15 2013
>>> *filter
>>> :INPUT ACCEPT [69:8423]
>>> :FORWARD ACCEPT [0:0]
>>> :OUTPUT ACCEPT [130:12757]
>>> -A INPUT -i virbr0 -j ACCEPT
>>> -A INPUT -i virbr0 -p udp -m udp --dport 53 -j ACCEPT
>>> -A INPUT -i virbr0 -p tcp -m tcp --dport 53 -j ACCEPT
>>> -A INPUT -i virbr0 -p udp -m udp --dport 67 -j ACCEPT
>>> -A INPUT -i virbr0 -p tcp -m tcp --dport 67 -j ACCEPT
>>> -A FORWARD -d 192.168.122.0/24 -o virbr0 -m conntrack --ctstate
>>> RELATED,ESTABLISHED -j ACCEPT
>>> -A FORWARD -s 192.168.122.0/24 -i virbr0 -j ACCEPT
>>> -A FORWARD -i virbr0 -o virbr0 -j ACCEPT
>>> -A FORWARD -o virbr0 -j REJECT --reject-with icmp-port-unreachable
>>> -A FORWARD -i virbr0 -j REJECT --reject-with icmp-port-unreachable
>>> COMMIT
>>> # Completed on Sat Jun 15 23:17:15 2013
>>> ====
>>>
>>> On 06/15/2013 06:04 PM, Vladislav Bogdanov wrote:
>>>> 15.06.2013 20:26, Digimer wrote:
>>>>> Ah, I think it's a problem with the firewall rules on the host. Not sure
>>>>> how to fix it though...
>>>>
>>>> You probably need to open port 1229/tcp in filter INPUT on virtual
>>>> cluster members. That is where fence_xvm listens for a connection from
>>>> fence_virtd after it sends multicast request iirc. Design deficiency,
>>>> fence_xvm works only one copy on a system at a time, it listens for tcp
>>>> connection on a predefined port.
>>>>
>>>>>
>>>>> lemass:/home/digimer# iptables-save
>>>>> # Generated by iptables-save v1.4.16.2 on Sat Jun 15 13:26:33 2013
>>>>> *nat
>>>>> :PREROUTING ACCEPT [246583:89552160]
>>>>> :INPUT ACCEPT [2335:362026]
>>>>> :OUTPUT ACCEPT [11740:741351]
>>>>> :POSTROUTING ACCEPT [11706:738225]
>>>>> -A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -p tcp -j
>>>>> MASQUERADE --to-ports 1024-65535
>>>>> -A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -p udp -j
>>>>> MASQUERADE --to-ports 1024-65535
>>>>> -A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -j MASQUERADE
>>>>> COMMIT
>>>>> # Completed on Sat Jun 15 13:26:33 2013
>>>>> # Generated by iptables-save v1.4.16.2 on Sat Jun 15 13:26:33 2013
>>>>> *mangle
>>>>> :PREROUTING ACCEPT [3250861:2486027770]
>>>>> :INPUT ACCEPT [2557761:1301267981]
>>>>> :FORWARD ACCEPT [444644:1094901100]
>>>>> :OUTPUT ACCEPT [1919457:2636518995]
>>>>> :POSTROUTING ACCEPT [2364615:3731498365]
>>>>> -A POSTROUTING -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM
>>>>> --checksum-fill
>>>>> COMMIT
>>>>> # Completed on Sat Jun 15 13:26:33 2013
>>>>> # Generated by iptables-save v1.4.16.2 on Sat Jun 15 13:26:33 2013
>>>>> *filter
>>>>> :INPUT ACCEPT [2557761:1301267981]
>>>>> :FORWARD ACCEPT [0:0]
>>>>> :OUTPUT ACCEPT [1919457:2636518995]
>>>>> -A INPUT -i virbr0 -p udp -m udp --dport 53 -j ACCEPT
>>>>> -A INPUT -i virbr0 -p tcp -m tcp --dport 53 -j ACCEPT
>>>>> -A INPUT -i virbr0 -p udp -m udp --dport 67 -j ACCEPT
>>>>> -A INPUT -i virbr0 -p tcp -m tcp --dport 67 -j ACCEPT
>>>>> -A FORWARD -d 192.168.122.0/24 -o virbr0 -m conntrack --ctstate
>>>>> RELATED,ESTABLISHED -j ACCEPT
>>>>> -A FORWARD -s 192.168.122.0/24 -i virbr0 -j ACCEPT
>>>>> -A FORWARD -i virbr0 -o virbr0 -j ACCEPT
>>>>> -A FORWARD -o virbr0 -j REJECT --reject-with icmp-port-unreachable
>>>>> -A FORWARD -i virbr0 -j REJECT --reject-with icmp-port-unreachable
>>>>> COMMIT
>>>>> # Completed on Sat Jun 15 13:26:33 2013
>>>>>
>>>>> digimer
>>>>>
>>>>> On 06/15/2013 01:09 PM, Digimer wrote:
>>>>>> Hi all,
>>>>>>
>>>>>> I'm trying to play with pacemaker on fedora 19 (pre-release) and
>>>>>> I am
>>>>>> having trouble getting the guests to talk to the host.
>>>>>>
>>>>>> From the host, I can run;
>>>>>>
>>>>>> lemass:/home/digimer# fence_xvm -o list
>>>>>> pcmk1 83f6abdc-bb48-d794-4aca-13f091f32c8b on
>>>>>> pcmk2 2d778455-de7d-a9fa-994c-69d7b079fda8 on
>>>>>>
>>>>>> I can fence the guests from the host as well. However, I can not get
>>>>>> the
>>>>>> list (or fence) from the quests;
>>>>>>
>>>>>> [root at pcmk1 ~]# fence_xvm -o list
>>>>>> Timed out waiting for response
>>>>>> Operation failed
>>>>>>
>>>>>> I suspect a multicast issue, but so far as I can tell, multicast is
>>>>>> enabled on the bridge;
>>>>>>
>>>>>> lemass:/home/digimer# ifconfig
>>>>>> virbr0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
>>>>>> inet 192.168.122.1 netmask 255.255.255.0 broadcast
>>>>>> 192.168.122.255
>>>>>> ether 52:54:00:da:90:a1 txqueuelen 0 (Ethernet)
>>>>>> RX packets 103858 bytes 8514464 (8.1 MiB)
>>>>>> RX errors 0 dropped 0 overruns 0 frame 0
>>>>>> TX packets 151988 bytes 177742562 (169.5 MiB)
>>>>>> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>>>>>>
>>>>>> vnet0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
>>>>>> inet6 fe80::fc54:ff:feed:3701 prefixlen 64 scopeid
>>>>>> 0x20<link>
>>>>>> ether fe:54:00:ed:37:01 txqueuelen 500 (Ethernet)
>>>>>> RX packets 212828 bytes 880551892 (839.7 MiB)
>>>>>> RX errors 0 dropped 0 overruns 0 frame 0
>>>>>> TX packets 225430 bytes 182955760 (174.4 MiB)
>>>>>> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>>>>>>
>>>>>> vnet1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
>>>>>> inet6 fe80::fc54:ff:fe45:e9ae prefixlen 64 scopeid
>>>>>> 0x20<link>
>>>>>> ether fe:54:00:45:e9:ae txqueuelen 500 (Ethernet)
>>>>>> RX packets 4840 bytes 587902 (574.1 KiB)
>>>>>> RX errors 0 dropped 0 overruns 0 frame 0
>>>>>> TX packets 7495 bytes 899578 (878.4 KiB)
>>>>>> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>>>>>>
>>>>>> I tried specifying the mcast address and port without success.
>>>>>>
>>>>>> The host's config is:
>>>>>>
>>>>>> lemass:/home/digimer# cat /etc/fence_virt.conf
>>>>>> backends {
>>>>>> libvirt {
>>>>>> uri = "qemu:///system";
>>>>>> }
>>>>>>
>>>>>> }
>>>>>>
>>>>>> listeners {
>>>>>> multicast {
>>>>>> port = "1229";
>>>>>> family = "ipv4";
>>>>>> interface = "virbr0";
>>>>>> address = "239.192.214.190";
>>>>>> key_file = "/etc/cluster/fence_xvm.key";
>>>>>> }
>>>>>>
>>>>>> }
>>>>>>
>>>>>> fence_virtd {
>>>>>> module_path = "/usr/lib64/fence-virt";
>>>>>> backend = "libvirt";
>>>>>> listener = "multicast";
>>>>>> }
>>>>>>
>>>>>> The cluster forms and corosync is using multicast, so I am not sure if
>>>>>> mcast really is the problem.
>>>>>>
>>>>>> Any tips/help?
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>>>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>>>
>>>> Project Home: http://www.clusterlabs.org
>>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>> Bugs: http://bugs.clusterlabs.org
>>>>
>>>
>>>
>>
>
>
> --
> Digimer
> Papers and Projects: https://alteeve.ca/w/
> What if the cure for cancer is trapped in the mind of a person without access to education?
>
> _______________________________________________
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> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>
> Project Home: http://www.clusterlabs.org
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> Bugs: http://bugs.clusterlabs.org
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