Richard B Winters | 22 Apr 19:44 2015

SONAME bump required; cluster-glue


Recently we've prepared the 1.0.12 release of cluster-glue for Debian
Linux; and we found when generating symbols that in version 1.0.7 of
libplumb there are reports of dropped symbols, creating a need to bump

dpkg-gensymbols: warning: some new symbols appeared in the symbols file:
see diff output below
dpkg-gensymbols: warning: some symbols or patterns disappeared in the
symbols file: see diff output below
dpkg-gensymbols: warning: libplumb-tmp.symbols doesn't match completely
--- libplumb-tmp.symbols (libplumb_1.0.7_amd64)
+++ dpkg-gensymbols4HL2JV	2015-04-22 13:43:32.547196065 -0400
 <at>  <at>  -1,13 +1,13  <at>  <at> libplumb #MINVER#
- ChildLogIPCMessage <at> Base 1.0.3
+#MISSING: 1.0.7# ChildLogIPCMessage <at> Base 1.0.3
  CompressFuncs <at> Base 1.0.3
  DisableProcLogging <at> Base 1.0.3
- DumpCircularBuffer <at> Base 1.0.3
- EmptyCircularBuffer <at> Base 1.0.3
+#MISSING: 1.0.7# DumpCircularBuffer <at> Base 1.0.3
+#MISSING: 1.0.7# EmptyCircularBuffer <at> Base 1.0.3
  EnableProcLogging <at> Base 1.0.3
  FT_strings <at> Base 1.0.3
  ForEachProc <at> Base 1.0.3
- FreeChildLogIPCMessage <at> Base 1.0.3
+#MISSING: 1.0.7# FreeChildLogIPCMessage <at> Base 1.0.3
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Robert.Koeppl | 19 Apr 16:01 2015

AUTO: Robert Koeppl ist außer Haus. Robert Koeppl is out of office (Rückkehr am 25.04.2015)

Ich kehre zurück am 25.04.2015.

Hinweis: Dies ist eine automatische Antwort auf Ihre Nachricht  "[Linux-HA]
Ping nodes and cluster rules" gesendet am 17.04.2015 14:58:11.

Diese ist die einzige Benachrichtigung, die Sie empfangen werden, während
diese Person abwesend ist.

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Daniel Krambrock | 17 Apr 15:11 2015

CRIT: Emergency,Shutdown: Master Control process died.


I have got a backtrace of a dieing MCP:

root <at> s4a:/coredump# gdb /usr/lib/heartbeat/heartbeat
GNU gdb (GDB) 7.4.1-debian
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
Reading symbols from /usr/lib/heartbeat/heartbeat...(no debugging symbols
[New LWP 12806]

warning: Can't read pathname for load map: Input/output error.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/".
Core was generated by `heartbeat: master control pro'.
Program terminated with signal 24, CPU time limit exceeded.
#0 0x00007f22de197629 in vfprintf () from /lib/x86_64-linux-gnu/

(gdb) bt
#0 0x00007f22de197629 in vfprintf () from /lib/x86_64-linux-gnu/
#1 0x00007f22de1bd999 in vsprintf () from /lib/x86_64-linux-gnu/
(Continue reading)

Adam Błaszczykowski | 17 Apr 14:58 2015

Ping nodes and cluster rules

I am using two nodes in cluster with corosync 2.3.4 and pacemaker 1.1.12
and each node has access to 2 ping nodes.
I would like to know if it is possible to set following cluster rules:

Rule 1 - do nothing with resources if 1 of 2 ping nodes are unreachable for
one cluster node
Rule 2 - move resources if 2 of 2 ping nodes are unreachable for one
cluster node
Rule 3 - do nothing with resources if all ping nodes are unreachable for
both cluster nodes

NOTE: In my current configuration resources are exported when I lose access
to all ping nodes on both cluster nodes. I would like to change this
behavior as described in "Rule 3"

Thank you in advance !

Best Regards
Adam Blaszczykowski
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Heiko Finzel | 1 Apr 16:44 2015

heartbeat custom health checks

Hello there,

is it possible to configure custom healthchecks for heartbeat such like testing 
a HTTP request or if a process is running?
Unfortunately I can't seem to find any hint or howto on this topic.
Any help appreciated.
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Yogendramummaneni Prasad | 1 Apr 13:16 2015

Heartbeat packages for Redhat-7


At the moment, we are using heartbeat on RedHat-5.8 using the below
[root <at> p118278vaps2011 ~]# rpm -qa|grep heartbeat

Now we are planning to upgrade the OS to Redhat-7.0.
I could not find the same heartbeat packages for RedHat-7.0 on the internet.

Could you please confirm if the heartbeat packages are available for

Thanks Inadvance,
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james pruett | 29 Mar 00:57 2015

old page listing HA success-stories?


I am looking for HA success stories written around year 2000.
Are those pages around anywhere ??
I sent in one and want to show it to some people in need of HA....

Thanks for any leads!

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Uemit Arslan | 24 Mar 15:09 2015

/usr/sbin/stonith does not accept parameters as advertised ( carefully opened a bug 924010)

Hello colleagues, 

if some wants to test stonith and is unsure how to use parameters with stonith devices he checks which
parameters are available by doing: 

sles11ha2:~ # stonith -t external/libvirt   
         stonith [-svh] -L 
         stonith [-svh] -t stonith-device-type -n 
         stonith [-svh] -t stonith-device-type -m 
         stonith [-svh] -t stonith-device-type {-p stonith-device-parameters | -F
stonith-device-parameters-file | -E | name=value...} [-c count] -lS 
         stonith [-svh] -t stonith-device-type {-p stonith-device-parameters | -F
stonith-device-parameters-file | -E | name=value...} [-c count] -T {reset|on|off} nodename 

stonith -t external/libvirt  -n 
hostlist  hypervisor_uri  reboot_method   

You would assume that you have to provide stonith params with "-p". 

I wanted  to test stonith mechanisms for qemu+libvirt and the stonith parameters with "-p".  

sles11ha2:~ # stonith -t external/libvirt -p "hostlist=sles11ha1:sles_hanode1
hypervisor_uri=qemu+tcp:// reset_method=power_cycle"  -T reset sles_hanode1 
external/libvirt[5462]: ERROR: Should never happen: Called for host sles_hanode1 but sles_hanode1 is
not in hostlist=sles11ha1:sles_hanode1. 
CRIT: external_reset_req: 'libvirt reset' for host sles_hanode1 failed with rc 1 

(Continue reading)

東一彦 | 25 Mar 01:49 2015

Re: fence_ec2 agent

Hi Markus,

Thank you for the comment.

> Would it be possible, to implement this idea as an additional configuration method to the fence_ec2 agent?
I think that your idea is good.

So, I tries to implement it.
I'm going to change the fence_ec2(ec2) the following points.

  - the "tag" and the "port" options will be "not" required.

  - if the "port" option is not set, the 2nd argument of ec2 will use as the "port".
    - the 2nd argument of ec2 is "node to fence".

  - the "stat" and "status" action will be same the "monitor" action.
    (for do not use the "port" parameter in "stat" action.)

By the above modifications, If it is described uname in the Name tag,
the setting of the "tag" and "port" parameters are no longer necessary.

primitive prmStonith1-2 stonith:external/ec2 \
         params \
                 pcmk_off_timeout="120s" \
         op start interval="0s" timeout="60s" \
         op monitor interval="3600s" timeout="60s" \
         op stop interval="0s" timeout="60s"

(Continue reading)

Salim | 10 Mar 10:33 2015

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Willi Fehler | 6 Mar 09:12 2015

CentOS 7 Pacemake/Corosync


I'm trying to build a Pacemaker/Corosync Cluster on CentOS7. The default 
Corosync configuration with one ring is working but then I only have 1 
ring and no encryption.

     id    =
     status    = ring 1 active with no faults

I've tried to activate the following configuration but it doesn't work.

[root <at> linsrv006 corosync]# cat /etc/corosync/corosync.conf
totem {
         version: 2
         secauth: on
         threads: 0
         rrp_mode: active
         interface {
                 ringnumber: 0
                 mcastport: 5411
         interface {
                 ringnumber: 1
                 mcastport: 5419
(Continue reading)