[Pacemaker] hangs pending
Andrew Beekhof
andrew at beekhof.net
Sun Jan 12 22:45:57 UTC 2014
On 10 Jan 2014, at 9:55 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>
>
> 10.01.2014, 14:31, "Andrey Groshev" <greenx at yandex.ru>:
>> 10.01.2014, 14:01, "Andrew Beekhof" <andrew at beekhof.net>:
>>
>>> On 10 Jan 2014, at 5:03 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>>>> 10.01.2014, 05:29, "Andrew Beekhof" <andrew at beekhof.net>:
>>>>> On 9 Jan 2014, at 11:11 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>>>>>> 08.01.2014, 06:22, "Andrew Beekhof" <andrew at beekhof.net>:
>>>>>>> On 29 Nov 2013, at 7:17 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>>>>>>>> Hi, ALL.
>>>>>>>>
>>>>>>>> I'm still trying to cope with the fact that after the fence - node hangs in "pending".
>>>>>>> Please define "pending". Where did you see this?
>>>>>> In crm_mon:
>>>>>> ......
>>>>>> Node dev-cluster2-node2 (172793105): pending
>>>>>> ......
>>>>>>
>>>>>> The experiment was like this:
>>>>>> Four nodes in cluster.
>>>>>> On one of them kill corosync or pacemakerd (signal 4 or 6 oк 11).
>>>>>> Thereafter, the remaining start it constantly reboot, under various pretexts, "softly whistling", "fly low", "not a cluster member!" ...
>>>>>> Then in the log fell out "Too many failures ...."
>>>>>> All this time in the status in crm_mon is "pending".
>>>>>> Depending on the wind direction changed to "UNCLEAN"
>>>>>> Much time has passed and I can not accurately describe the behavior...
>>>>>>
>>>>>> Now I am in the following state:
>>>>>> I tried locate the problem. Came here with this.
>>>>>> I set big value in property stonith-timeout="600s".
>>>>>> And got the following behavior:
>>>>>> 1. pkill -4 corosync
>>>>>> 2. from node with DC call my fence agent "sshbykey"
>>>>>> 3. It sends reboot victim and waits until she comes to life again.
>>>>> Hmmm.... what version of pacemaker?
>>>>> This sounds like a timing issue that we fixed a while back
>>>> Was a version 1.1.11 from December 3.
>>>> Now try full update and retest.
>>> That should be recent enough. Can you create a crm_report the next time you reproduce?
>>
>> Of course yes. Little delay.... :)
>>
>> ......
>> cc1: warnings being treated as errors
>> upstart.c: In function ‘upstart_job_property’:
>> upstart.c:264: error: implicit declaration of function ‘g_variant_lookup_value’
>> upstart.c:264: error: nested extern declaration of ‘g_variant_lookup_value’
>> upstart.c:264: error: assignment makes pointer from integer without a cast
>> gmake[2]: *** [libcrmservice_la-upstart.lo] Error 1
>> gmake[2]: Leaving directory `/root/ha/pacemaker/lib/services'
>> make[1]: *** [all-recursive] Error 1
>> make[1]: Leaving directory `/root/ha/pacemaker/lib'
>> make: *** [core] Error 1
>>
>> I'm trying to solve this a problem.
>
>
> Do not get solved quickly...
>
> https://developer.gnome.org/glib/2.28/glib-GVariant.html#g-variant-lookup-value
> g_variant_lookup_value () Since 2.28
>
> # yum list installed glib2
> Loaded plugins: fastestmirror, rhnplugin, security
> This system is receiving updates from RHN Classic or Red Hat Satellite.
> Loading mirror speeds from cached hostfile
> Installed Packages
> glib2.x86_64 2.26.1-3.el6 installed
>
> # cat /etc/issue
> CentOS release 6.5 (Final)
> Kernel \r on an \m
Can you try this patch?
Upstart jobs wont work, but the code will compile
diff --git a/lib/services/upstart.c b/lib/services/upstart.c
index 831e7cf..195c3a4 100644
--- a/lib/services/upstart.c
+++ b/lib/services/upstart.c
@@ -231,12 +231,21 @@ upstart_job_exists(const char *name)
static char *
upstart_job_property(const char *obj, const gchar * iface, const char *name)
{
+ char *output = NULL;
+
+#if !GLIB_CHECK_VERSION(2,28,0)
+ static bool err = TRUE;
+
+ if(err) {
+ crm_err("This version of glib is too old to support upstart jobs");
+ err = FALSE;
+ }
+#else
GError *error = NULL;
GDBusProxy *proxy;
GVariant *asv = NULL;
GVariant *value = NULL;
GVariant *_ret = NULL;
- char *output = NULL;
crm_info("Calling GetAll on %s", obj);
proxy = get_proxy(obj, BUS_PROPERTY_IFACE);
@@ -272,6 +281,7 @@ upstart_job_property(const char *obj, const gchar * iface, const char *name)
g_object_unref(proxy);
g_variant_unref(_ret);
+#endif
return output;
}
>
>
>>>>>> Once the script makes sure that the victim will rebooted and again available via ssh - it exit with 0.
>>>>>> All command is logged both the victim and the killer - all right.
>>>>>> 4. A little later, the status of the (victim) nodes in crm_mon changes to online.
>>>>>> 5. BUT... not one resource don't start! Despite the fact that "crm_simalate -sL" shows the correct resource to start:
>>>>>> * Start pingCheck:3 (dev-cluster2-node2)
>>>>>> 6. In this state, we spend the next 600 seconds.
>>>>>> After completing this timeout causes another node (not DC) decides to kill again our victim.
>>>>>> All command again is logged both the victim and the killer - All documented :)
>>>>>> 7. NOW all resource started in right sequence.
>>>>>>
>>>>>> I almost happy, but I do not like: two reboots and 10 minutes of waiting ;)
>>>>>> And if something happens on another node, this the behavior is superimposed on old and not any resources not start until the last node will not reload twice.
>>>>>>
>>>>>> I tried understood this behavior.
>>>>>> As I understand it:
>>>>>> 1. Ultimately, in ./lib/fencing/st_client.c call internal_stonith_action_execute().
>>>>>> 2. It make fork and pipe from tham.
>>>>>> 3. Async call mainloop_child_add with callback to stonith_action_async_done.
>>>>>> 4. Add timeout g_timeout_add to TERM and KILL signals.
>>>>>>
>>>>>> If all right must - call stonith_action_async_done, remove timeout.
>>>>>> For some reason this does not happen. I sit and think ....
>>>>>>>> At this time, there are constant re-election.
>>>>>>>> Also, I noticed the difference when you start pacemaker.
>>>>>>>> At normal startup:
>>>>>>>> * corosync
>>>>>>>> * pacemakerd
>>>>>>>> * attrd
>>>>>>>> * pengine
>>>>>>>> * lrmd
>>>>>>>> * crmd
>>>>>>>> * cib
>>>>>>>>
>>>>>>>> When hangs start:
>>>>>>>> * corosync
>>>>>>>> * pacemakerd
>>>>>>>> * attrd
>>>>>>>> * pengine
>>>>>>>> * crmd
>>>>>>>> * lrmd
>>>>>>>> * cib.
>>>>>>> Are you referring to the order of the daemons here?
>>>>>>> The cib should not be at the bottom in either case.
>>>>>>>> Who knows who runs lrmd?
>>>>>>> Pacemakerd.
>>>>>>>> _______________________________________________
>>>>>>>> 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
>>>>>>> ,
>>>>>>> _______________________________________________
>>>>>>> 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
>>>>>> _______________________________________________
>>>>>> 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
>>>>> ,
>>>>> _______________________________________________
>>>>> 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
>>>> _______________________________________________
>>>> 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
>>> ,
>>> _______________________________________________
>>> 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
>>
>> _______________________________________________
>> 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
>
> _______________________________________________
> 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
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