PowerHA for AIX

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  • 1.  shutdown -Fh now cause reboot server instead halt on PowerHa system mirror 7.1.3

    Posted Thu October 29, 2015 03:14 AM

    Originally posted by: MHRT_Tim


    I setup powerha systemmirror version 7.1.3 on AIX 7.1-03-05. When I shutdown a node by command shutdown -Fh now . The node restart instead of shutdown and halt as usual.

    Can anyone know how to fix this.



  • 2.  Re: shutdown -Fh now cause reboot server instead halt on PowerHa system mirror 7.1.3

    Posted Mon November 16, 2015 01:21 PM

    Originally posted by: lech77


    Check if IV71572 applies to your environment.



  • 3.  Re: shutdown -Fh now cause reboot server instead halt on PowerHa system mirror 7.1.3

    Posted Fri November 20, 2015 05:29 AM

    Originally posted by: AchimScreen


    Same problem here. AIX errpt shows 225E3B63, F48137AC, 67145A39

    Resolved by

    /usr/sbin/rsct/bin/hags_disable_client_kill -s cthags
    

    before shutdown.

    Instead ov IV71572, we have IV69760, that includes IV71572 and solves a RSCT memory leak.

    IV69760 brings /etc/rc.d/rc2.d/Kcluster with the above command - but in my case, it didn't solve the problem (cloned test cluster).

    After giving the upper command once, then restarted the node, I don't have to  give the command a second time, now shutdown -Fh works again.



  • 4.  Re: shutdown -Fh now cause reboot server instead halt on PowerHa system mirror 7.1.3

    Posted Mon November 30, 2015 09:13 AM

    Originally posted by: AchimScreen


    Your spam filter is annoying - I type the message now a fourth time.

    So, short:

    APAR IV69760 (RSCT 3.2)  with /etc/rc.d/rc2.d/Kcluster ok
    PowerHA 7.1.3 SP3 with Kcluster not ok (without dead man switch disable)

    Kcluster without hags_stopdms leads to error id 225E3B63 "RSCT Dead Man Switch Timeout for CLUSTER; halting non-responsive node" while doing a shutdown.

    Either reapply IV69760 after SP3 or manually edit Kcluster or put the following two commands in /etc/rc.shutdown.

    /usr/sbin/rsct/bin/hags_disable_client_kill -s cthags
    /usr/sbin/rsct/bin/hags_stopdms -s cthags

    I placed the full text under
    https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/Improvements%20in%20developerWorks%20Community/page/Spam%20prevention%20on%20developerWorks



  • 5.  Re: shutdown -Fh now cause reboot server instead halt on PowerHa system mirror 7.1.3

    Posted Wed December 09, 2015 03:15 PM

    Originally posted by: AchimScreen


    We got IV71572 as a separate efix.  After applying it (without reboot and without disturbing cluster services or RSCT - just delivers script), we found another script /etc/rc.d/rc2.d/KIV71572 - with both mentioned commands !

    So, after applying IV71572, we solved the problem.

    But - strange thing - KCluster executes also while shuting down.

    I observed an elongated shutdown time in one case, delay was 30-45 seconds in KCluster but didn't further investigate this.

    Let me resume: KCluster delivered by PowerHA and fixed by RSCT ? Strange indeed...



  • 6.  Re: shutdown -Fh now cause reboot server instead halt on PowerHa system mirror 7.1.3

    Posted Wed December 09, 2015 11:51 PM

    Originally posted by: MHRT_Tim


    Thank you for supporting. I will arrange to apply fix to the system as you recommend and test again.



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  • 8.  Re: shutdown -Fh now cause reboot server instead halt on PowerHa system mirror 7.1.3

    Posted Wed October 04, 2017 05:54 PM

    Originally posted by: Jhonejp


    Same problem here. AIX errpt shows 225E3B63, F48137AC, 67145A39

    Resolved by

    /usr/sbin/rsct/bin/hags_disable_client_kill -s cthags
    

    before shutdown.

    Instead ov IV71572, we have IV69760, that includes IV71572 and solves a RSCT memory leak.

    IV69760 brings /etc/rc.d/rc2.d/Kcluster with the above command - but in my case, it didn't solve the problem (cloned test cluster).

    After giving the upper command once, then restarted the node, I don't have to  give the command a second time, now shutdown -Fh works again.



  • 9.  Re: shutdown -Fh now cause reboot server instead halt on PowerHa system mirror 7.1.3

    Posted Thu May 30, 2019 07:53 AM

    Originally posted by: huylo_putin.201905191107


    After giving the upper command once, then restarted the node, I don't have to  give the command a second time, now shutdown -Fh works again.



  • 10.  Re: shutdown -Fh now cause reboot server instead halt on PowerHa system mirror 7.1.3

    Posted Wed July 10, 2019 03:50 AM

    Originally posted by: dwBlue


    Instead ov IV71572, we have IV69760, that includes IV71572 and solves a RSCT memory leak.