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RE: Shooting yourself in the spfile

From: Brian McGraw <brian.mcgraw_at_ipacc.com>
Date: Wed, 18 Feb 2004 18:33:23 -0600
Message-id: <000001c3f67f$fba10860$b9030f0a@lucy>


My approach so far has actually been to avoid the spfile altogether, out of the fear of encountering your scenario.

But curious minds want to know, Jonathan... what did you change?? :)



| Brian McGraw -+- Senior DBA |
| mailto:Brian.McGraw_at_ipacc.com |

-----Original Message-----

From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Jonathan Gennick
Sent: Wednesday, February 18, 2004 4:57 PM To: oracle-l_at_freelists.org
Subject: Shooting yourself in the spfile

I just went through an episode in which I changed a parameter setting using scope=spfile, attempted to bounce my instance, and found that I was hosed. Fortunately, I had an up-to-date text version of my parameter file (i.e. init.ora) that I was able to fall back on, and I easily used that to restart my instance. Now I have to recreate my server parameter file, because, having started my instance using init.ora, it won't let me change a parameter using scope=spfile. Arg!

All this has underscored the importance of backing myself up when it comes to parameter changes, and I'm wondering about best-practices. What do you all do to protect yourself here? I can think of two alternatives:

Are there any alternatives that I've missed here? What approach is best, and why? Right now, I lean towards keeping a current, text-based parameter file, because that gives you the flexibility to go in with vi and tweak a parameter. In fact, I wonder why the server parameter file can't be text-based. If I have to constantly make text-based backups to protect myself, why not just make the spfile text-based to begin with?

Best regards,

Jonathan Gennick --- Brighten the corner where you are http://Gennick.com * 906.387.1698 * mailto:jonathan@gennick.com

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Received on Wed Feb 18 2004 - 18:33:23 CST

Original text of this message

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