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Re: Confused engine: No SHM segments but thinks it is quiescent

This is a discussion on Re: Confused engine: No SHM segments but thinks it is quiescent within the Informix forums, part of the Database Server Software category; --> Hi Beau. Just a thought. Are you bringing up multi instance ? You can check the following command to ...


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Old 04-20-2008, 04:35 PM
Ogiwara Tsutomu
 
Posts: n/a
Default Re: Confused engine: No SHM segments but thinks it is quiescent

Hi Beau.

Just a thought.

Are you bringing up multi instance ?
You can check the following command to know your specifed instance.
onstat -g dis

Then check duplicate SERVERNUM.

If SERVERNUM is duplicate, sounds like it may happen....

Just my 0.02$.

--
Tsutomu Ogiwara from Tokyo Japan.





>From: Beau Nanaz <spamntrapf@yahoo.com>
>To: informix-list@iiug.org
>Subject: Re: Confused engine: No SHM segments but thinks it is quiescent
>Date: 21 May 2007 21:40:54 -0700
>
>Hi again, family.
>
>This time I can contribute a solution because it happened again and I
>was able to pay attention to the messages when I tried to bounce the
>engine in an attempt to cure the ghost "quiescent mode" messages.
>
>I don't have that session open in front of me now but when I tried to
>start the engine I got "Error in shared memory initialization" with an
>error number. Finderr on that error number said something about ports
>already in use. AHA! The TCP port must still be occupied. But by
>*whom*? And which TCP port?
>
>The second question was easier - I grep the sqlhosts file for the name
>of my server and turned a port named sqlexec_Y. I then use the
>recently-learned Unix utility, lsof:
>$ lsof | grep sqlexec_Y
>
>This turned up a bunch of oninit processes. I was still monitoring
>the online.log file (tail -f &) so I could see the results of my
>actions. I killed the first oninit process in the list and watched
>"The master daemon has died" and "Attempting to bring system down".
>
>Now I could bring up the engine normally, with the original SHM
>allocations. Hurrah! Pat myself on the back. (Hey, I can *wash* my
>own back ;-)
>
>(I should confess that my first responses to the shared-memory
>messages were to reduce the BUFFER and SHMINIT parameters but it got
>to the point where I could proved they were not a memory issue.)
>
>Now *that* was fun!
>
>-- J
>
>On May 13, 1:38 pm, Beau Nanaz <spamntr...@yahoo.com> wrote:
> > Hi Family.
> >
> > I have a problem I have encountered before, years ago!
> >
> > Reasons aside (relating to a failed restore) when I tried to bring up
> > the engine, it failed. No shared memory segments exist for the
> > server. However, when I tried to demonstrate the down state of the
> > engine with a dbacces connection, I get the message:
> > -27002 No connections are allowed in quiescent mode.
> > Poor engine! It thinks it is asleep and does not realize it's dead!
> >
> > I recall there is a file someplace under $INFORMIXDIR that gives the
> > current state of the server. The bogus "quiescent" status is coming
> > from there. All I need to do is delete (OK, rename; Sheesh!
> > Paranoia! ;-) that file the server will know it is dead.
> >
> > Anyone recall what that file is? I found $INFORMIXDIR/etc/.conf.
> > {INFORMIXSERVER}, a binary data file, but don't know if this is the
> > one. (Please, no suggestions to delete oninit! ;-)
> > Advice, anyone?
> >
> > Thanks much.
> >
> > -- J

>
>
>_______________________________________________
>Informix-list mailing list
>Informix-list@iiug.org
>http://www.iiug.org/mailman/listinfo/informix-list


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