Cluster communication issue


 
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Operating Systems AIX Cluster communication issue
# 1  
Old 09-09-2015
Cluster communication issue

Hi,

I am using Power HA7.1.1 SP5 AIx 7.1

My both cluster nodes are independently working. RG informations are not updating each other. Node A shows that node B is down and vice versa.

RG1 is running node A, RG2 running on node B.

Code:
=== clRGinfo From Node B ===
RG01               OFFLINE                      NODE-A
                      OFFLINE                      NODE-B

RG02_Sapvg     ONLINE                       NODE-B
                      OFFLINE                      NODE-A
=== clRGinfo from Node A===

RG01        ONLINE                       NODE-A
               OFFLINE                      NODE-B

RG02        OFFLINE                      NODE-B
               OFFLINE                      NODE-A

====clstat output from node B====
Code:
Node: NODE-B         State: UP
           Interface: NODE-B_STBY (0)        Address: 10.x.x.x
                                                State:   UP
           Interface: NODE-B_B (0)           Address: 10.x.x.x
                                                State:   UP
           Interface: NODE-B-CI (0)                 Address: 10.x.x.x
                                                State:   UP
           Resource Group: RG02_Sapvg                   State:  On line

        Node: NODE-A         State: DOWN
           Interface: NODE-A_STBY (0)        Address: 10.x.x.x
                                                State:   DOWN
           Interface: NODE-A_B (0)           Address: 10.x.x.x
                                                State:   DOWN

====clstat output from node A ====
Code:
  Node: NODE-B		State: DOWN
  Node: NODE-A  	State: UP

========================
I have done cluster verification and sync. No error was triggered on that and it completed normally. i have stop and started the cluster services but same issue.

Moderator's Comments:
Mod Comment edit by bakunin: could you please use CODE-tags, as you have been asked to do? Thank you!

Last edited by bakunin; 09-09-2015 at 09:01 AM..
# 2  
Old 09-09-2015
What does a clmgr sy cl say?

There are so many possible causes that without further information it is virtually impossible to guess. Do an "Extended Verification and Synchronization" and post the results here.

I hope this helps.

bakunin
# 3  
Old 09-09-2015
Code:
NODE-A# clrsh NODE-B date
NODE-A# clrsh NODE-A date

NODE-B# clrsh NODE-B date
NODE-B# clrsh NODE-A date

?
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