[ClusterLabs] Antw: Re: [Question] About movement of pacemaker_remote.

renayama19661014 at ybb.ne.jp renayama19661014 at ybb.ne.jp
Mon May 11 04:22:11 UTC 2015


Hi All,

I matched the OS version of the remote node with a host once again and confirmed it in Pacemaker1.1.13-rc2.

It was the same even if I made a host RHEL7.1.(bl460g8n1)
I made the remote host RHEL7.1.(snmp1)

The first crm_resource -C fails.
--------------------------------
[root at bl460g8n1 ~]# crm_resource -C -r snmp1
Cleaning up snmp1 on bl460g8n1
Waiting for 1 replies from the CRMd. OK

[root at bl460g8n1 ~]# crm_mon -1 -Af
Last updated: Mon May 11 12:44:31 2015
Last change: Mon May 11 12:43:30 2015
Stack: corosync
Current DC: bl460g8n1 - partition WITHOUT quorum
Version: 1.1.12-7a2e3ae
2 Nodes configured
3 Resources configured


Online: [ bl460g8n1 ]
RemoteOFFLINE: [ snmp1 ]

 Host-rsc1      (ocf::heartbeat:Dummy): Started bl460g8n1
 Remote-rsc1    (ocf::heartbeat:Dummy): Started bl460g8n1 (failure ignored)

Node Attributes:
* Node bl460g8n1:
    + ringnumber_0                      : 192.168.101.21 is UP
    + ringnumber_1                      : 192.168.102.21 is UP

Migration summary:
* Node bl460g8n1:
   snmp1: migration-threshold=1 fail-count=1000000 last-failure='Mon May 11 12:44:28 2015'

Failed actions:
    snmp1_start_0 on bl460g8n1 'unknown error' (1): call=5, status=Timed Out, exit-reason='none', last-rc-change='Mon May 11 12:43:31 2015', queued=0ms, exec=0ms
--------------------------------


The second crm_resource -C succeeded and was connected to the remote host.
--------------------------------
[root at bl460g8n1 ~]# crm_mon -1 -Af
Last updated: Mon May 11 12:44:54 2015
Last change: Mon May 11 12:44:48 2015
Stack: corosync
Current DC: bl460g8n1 - partition WITHOUT quorum
Version: 1.1.12-7a2e3ae
2 Nodes configured
3 Resources configured


Online: [ bl460g8n1 ]
RemoteOnline: [ snmp1 ]

 Host-rsc1      (ocf::heartbeat:Dummy): Started bl460g8n1
 Remote-rsc1    (ocf::heartbeat:Dummy): Started snmp1
 snmp1  (ocf::pacemaker:remote):        Started bl460g8n1

Node Attributes:
* Node bl460g8n1:
    + ringnumber_0                      : 192.168.101.21 is UP
    + ringnumber_1                      : 192.168.102.21 is UP
* Node snmp1:

Migration summary:
* Node bl460g8n1:
* Node snmp1:
--------------------------------

The gnutls of a host and the remote node was the next version.

gnutls-devel-3.3.8-12.el7.x86_64
gnutls-dane-3.3.8-12.el7.x86_64
gnutls-c++-3.3.8-12.el7.x86_64
gnutls-3.3.8-12.el7.x86_64
gnutls-utils-3.3.8-12.el7.x86_64


Best Regards,
Hideo Yamauchi.




----- Original Message -----
> From: "renayama19661014 at ybb.ne.jp" <renayama19661014 at ybb.ne.jp>
> To: Cluster Labs - All topics related to open-source clustering welcomed <users at clusterlabs.org>
> Cc: 
> Date: 2015/4/28, Tue 14:06
> Subject: Re: [ClusterLabs] Antw: Re: [Question] About movement of pacemaker_remote.
> 
> Hi David,
> 
> Even if the result changed the remote node to RHEL7.1, it was the same.
> 
> 
> I try it with a host node of pacemaker as RHEL7.1 this time.
> 
> 
> I noticed an interesting phenomenon.
> The remote node fails in a reconnection in the first crm_resource.
> However, the remote node succeeds in a reconnection in the second crm_resource.
> 
> I think that I have some problem with the point where I cut the connection with 
> the remote node first.
> 
> Best Regards,
> Hideo Yamauchi.
> 
> 
> ----- Original Message -----
>>  From: "renayama19661014 at ybb.ne.jp" 
> <renayama19661014 at ybb.ne.jp>
>>  To: Cluster Labs - All topics related to open-source clustering welcomed 
> <users at clusterlabs.org>
>>  Cc: 
>>  Date: 2015/4/28, Tue 11:52
>>  Subject: Re: [ClusterLabs] Antw: Re: [Question] About movement of 
> pacemaker_remote.
>> 
>>  Hi David,
>>  Thank you for comments.
>>>  At first glance this looks gnutls related.  GNUTLS is returning -50 
> during 
>>  receive
>> 
>>>  on the client side (pacemaker's side). -50 maps to 'invalid 
>>  request'. >debug: crm_remote_recv_once:     TLS receive failed: The 
>>  request is invalid. >We treat this error as fatal and destroy the 
> connection. 
>>  I've never encountered
>>>  this error and I don't know what causes it. It's possible 
>>  there's a bug in
>>>  our gnutls usage... it's also possible there's a bug in the 
> version 
>>  of gnutls
>>>  that is in use as well. 
>>  We built the remote node in RHEL6.5.
>>  Because it may be a problem of gnutls, I confirm it in RHEL7.1.
>> 
>>  Best Regards,
>>  Hideo Yamauchi.
>> 
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