OMVS INIT WAIT

2009-09-24 Thread Miklos Szigetvari

Hi

In our "production" LPAR I had a terrible experience(you can't restart 
the system, it has worked 10 minutes before )


After some DISK errors I  made an IPL , but TCPIP etc. has not started , 
and after a while of panic I have seen the

OMVS is in init wait :
OMVS 000E ETC/INIT WAIT
In the third attempt,  the OMVS (and everything)  has started normally.

We have every file system in zFS.
I guess the OMVS zFS made the recovery ?
If it would give a message about this ...

--
Miklos Szigetvari

Development Team
ISIS Information Systems Gmbh 
tel: (+43) 2236 27551 570
Fax: (+43) 2236 21081 

E-mail: miklos.szigetv...@isis-papyrus.com 

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Re: OMVS INIT WAIT

2009-09-24 Thread Terri E Shaffer
Depending on how you have the ZFS address space option setup. ZFS files need to 
do recovery if errors/verifications are required and require RDRW.  There was 
an PTF about 1 yrs ago that allowed

romount_recovery=on  option to be set in the IOEPRMxx, to perform this task 
even if the file system was mounted as READ.

Thanks

Ms. Terri E. Shaffer 
terri.e.shaf...@jpmchase.com
Engineer
J.P.Morgan Chase & Co.
GTI DCT ECS Core Services zSoftware Group / Emerging Technologies 
Office: # 614-213-3467
Cell: # 412-519-2592 


-Original Message-
From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of 
Miklos Szigetvari
Sent: Thursday, September 24, 2009 9:12 AM
To: IBM-MAIN@bama.ua.edu
Subject: OMVS INIT WAIT

Hi

In our "production" LPAR I had a terrible experience(you can't restart 
the system, it has worked 10 minutes before )

After some DISK errors I  made an IPL , but TCPIP etc. has not started , 
and after a while of panic I have seen the
OMVS is in init wait :
OMVS 000E ETC/INIT WAIT
In the third attempt,  the OMVS (and everything)  has started normally.
We have every file system in zFS.
I guess the OMVS zFS made the recovery ?
If it would give a message about this ...

-- 
Miklos Szigetvari

Development Team
ISIS Information Systems Gmbh 
tel: (+43) 2236 27551 570
Fax: (+43) 2236 21081 

E-mail: miklos.szigetv...@isis-papyrus.com 

Info: i...@isis-papyrus.com 
Hotline: +43-2236-27551-111 

Visit our Website: http://www.isis-papyrus.com 
---
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Re: OMVS INIT WAIT

2009-09-24 Thread Mark Zelden
On Thu, 24 Sep 2009 15:12:21 +0200, Miklos Szigetvari
 wrote:

>Hi
>
>In our "production" LPAR I had a terrible experience(you can't restart
>the system, it has worked 10 minutes before )
>
>After some DISK errors I  made an IPL , but TCPIP etc. has not started ,
>and after a while of panic I have seen the
>OMVS is in init wait :
>OMVS 000E ETC/INIT WAIT
>In the third attempt,  the OMVS (and everything)  has started normally.
>We have every file system in zFS.
>I guess the OMVS zFS made the recovery ?
>If it would give a message about this ...
>

I thought zFS did write these types of messages.  Did you attempt to 
take any console dumps during the time?  

Mark
--
Mark Zelden
Sr. Software and Systems Architect - z/OS Team Lead
Zurich North America / Farmers Insurance Group - ZFUS G-ITO
mailto:mark.zel...@zurichna.com
z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/
Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html

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Re: OMVS INIT WAIT

2009-09-24 Thread Paolo Cacciari
Miklos wrote:

...snip
In our "production" LPAR I had a terrible experience(you can't restart 
the system, it has worked 10 minutes before )

After some DISK errors I  made an IPL , but TCPIP etc. has not started , 
and after a while of panic I have seen the
OMVS is in init wait :
OMVS 000E ETC/INIT WAIT 
In the third attempt,  the OMVS (and everything)  has started normally.
We have every file system in zFS.
I guess the OMVS zFS made the recovery ?
If it would give a message about this ...
...snip

Miklos, you must be aware that when ZFS tries a restart after some system 
failure (or sometimes when
ZFS filesystem wasn't properly closed...) it discovers this situation and 
want to be sure that original owner(s)
aren't still in charge of filesystem. For this, ZFS waits for about 90 
seconds (per filesystem) awaiting for
previous owner activity on filesystem (internal timestamps are updated in 
case of activity on filesystem).
This is for EVERY ZFS filesystem; as per your configuration (all ZFS fsys) 
you may expect long delays on
OMVS restart after failure or abnormal end of original ZFS owner.

Hope this helps. 
Ciao.

_
Paolo Cacciari
IBM Italia S.p.A.
Business Continuity and Resiliency Services, IBM Global Services - South 
Region, EMEA


IBM Italia S.p.A.
Sede Legale: Circonvallazione Idroscalo - 20090 Segrate (MI)
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C. F. e Reg. Imprese MI 01442240030 - Partita IVA 10914660153
Società soggetta all?attività di direzione e coordinamento di 
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(Salvo che sia diversamente indicato sopra / Unless stated otherwise 
above)

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Re: OMVS INIT WAIT

2009-09-24 Thread Miklos Szigetvari

Hi

Thank you, I understand this.
I would like to have some message if this kind of wait occurs .
I have noticed that something wrong,  as I got some FSS messages .


Paolo Cacciari wrote:


Miklos wrote:

...snip
In our "production" LPAR I had a terrible experience(you can't restart 
the system, it has worked 10 minutes before )


After some DISK errors I  made an IPL , but TCPIP etc. has not started , 
and after a while of panic I have seen the

OMVS is in init wait :
OMVS 000E ETC/INIT WAIT 
In the third attempt,  the OMVS (and everything)  has started normally.

We have every file system in zFS.
I guess the OMVS zFS made the recovery ?
If it would give a message about this ...
...snip

Miklos, you must be aware that when ZFS tries a restart after some system 
failure (or sometimes when
ZFS filesystem wasn't properly closed...) it discovers this situation and 
want to be sure that original owner(s)
aren't still in charge of filesystem. For this, ZFS waits for about 90 
seconds (per filesystem) awaiting for
previous owner activity on filesystem (internal timestamps are updated in 
case of activity on filesystem).
This is for EVERY ZFS filesystem; as per your configuration (all ZFS fsys) 
you may expect long delays on

OMVS restart after failure or abnormal end of original ZFS owner.

Hope this helps. 
Ciao.


_
Paolo Cacciari
IBM Italia S.p.A.
Business Continuity and Resiliency Services, IBM Global Services - South 
Region, EMEA


   
IBM Italia S.p.A.

Sede Legale: Circonvallazione Idroscalo - 20090 Segrate (MI)
Cap. Soc. euro 384.506.359,00
C. F. e Reg. Imprese MI 01442240030 - Partita IVA 10914660153
Società soggetta all?attività di direzione e coordinamento di 
International Business Machines Corporation


(Salvo che sia diversamente indicato sopra / Unless stated otherwise 
above)


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--
Miklos Szigetvari

Development Team
ISIS Information Systems Gmbh 
tel: (+43) 2236 27551 570
Fax: (+43) 2236 21081 

E-mail: miklos.szigetv...@isis-papyrus.com 

Info: i...@isis-papyrus.com 
Hotline: +43-2236-27551-111 

Visit our Website: http://www.isis-papyrus.com 
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