Re:RE: Control Files Question

From: <dgoulet_at_vicr.com>
Date: Fri, 8 Dec 2000 12:59:24 -0500
Message-Id: <10704.124083@fatcity.com>

It would seem to me that the question is "do you ever re-create them?". For which the answer is "not unless you've had a disaster". The DB will maintain these files automatically & you should have more than one, on separate spindles. In reality I can't think of anything worse happening that the control file(s) getting trashed. There is a lot of important information in there for recovery purposes and the DB is likely to continue running for a time before it notices that things have been trashed after which your in for a couple hours of work.

Been there, did that (created a new DB on the same machine with a copy of the init.ora file, OOPS did not change the control files, did I mention that this was an active production instance), still have the scars on the back end.

Dick Goulet

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Subject: RE: Control Files Question - PLEASE HELP Author: James Bullard <jbullard_at_onvia.com> Date: 12/8/2000 8:44 AM

They will be updated whenever you add or drop data files and or log files. There is not a need to recreate them.

James

-----Original Message-----
Sent: Friday, December 08, 2000 7:40 AM
To: Multiple recipients of list ORACLE-L

Hi List,

I want to konw when I need to re-create my control files. If I add a tablespace to my database or add a datafile to one of my existing tablespaces do I need to re-create my controlfiles ... or are they automatically updated to reflect the change to my database structure???

I know I need multiple copies of the control file on different spindles, etc.,... but I want to make sure that they are up to date. (I just added a new tablespace to my database).

Thank you!!!!
-Fred Smith

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Author: James Bullard
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Re:RE: Control Files Question - PLEASE HELP