IDS Forum

AW: same instance name, same machine different ver

Posted By: Andreas.KUTSCHE@spar.at
Date: Friday, 2 October 2009, at 4:31 a.m.

In Response To: same instance name, same machine different version (JACK PAPA)

Hi,

you can't run the instance twice (at the same time).

Depending on the different versions (patch levels) you can switch between the two versions, for example:
export INFORMIXDIR=/informix/ids94uc2
oninit...
onmode -k
export INFORMIXDIR=/informix/ids94uc6
oninit

Switching from lower to higher versions/patch leves should work always, switching back could be a problem (if sysmaster was changed or new functionalities where introduced) - swichting back vom higher to lower versions (e.g. 9.4 -> 9.3 or even 9.4 -> 7.3) is impossible.

Regards,
Andreas Kutsche

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-------------------------------------------
-----Ursprüngliche Nachricht-----

Von: ids-bounces@iiug.org [mailto:ids-bounces@iiug.org] Im Auftrag von JACK PAPA
Gesendet: Freitag, 2. Oktober 2009 10:06
An: ids@iiug.org
Betreff: same instance name, same machine different version [17287]

Hi All,

I have a machine which hosts an instance (xxxx), I've noticed, there are 2
installed Informix version on the same machine. Also, it hosts, the same
instance (xxxx) with the same ROOTDBS.

Question is:

Can i make the instance xxxx become online for both version?... 9.4.UC2 and
9.4.UC6. I'm getting shared memory already exists if i want to startup the
other one...

Please advise.

Thanks,

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Messages In This Thread

• same instance name, same machine different version
  JACK PAPA -- Friday, 2 October 2009, at 4:05 a.m.
  • RE: same instance name, same machine different ver
    Mark Tyrer -- Friday, 2 October 2009, at 4:25 a.m.
  • AW: same instance name, same machine different ver
    Andreas.KUTSCHE@spar.at -- Friday, 2 October 2009, at 4:31 a.m.
  • Re: same instance name, same machine different ver
    Art Kagel -- Sunday, 4 October 2009, at 7:47 p.m.

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