Oracle-L: pfile/spfile Sync Problems

From: John Weatherman <john.weatherman_at_replacements.com>
Date: Mon, 29 Jul 2002 12:48:28 -0800
Message-ID: <F001.004A521F.20020729124828@fatcity.com>

Hi all,

I'm in the process of migrating 8i to 9i over the next couple weeks. One of my outstanding tasks it to find a way to keep the pfile/spfile synchronized as
much as reasonable possible. I figured the easiest way would be to include startup and shutdown triggers to regenerate them from each other and include

similar work in the backup. No, it's not perfect, but should be sufficient to meet the immediate need, after all pfile will eventually go away...maybe. Anyway, I wrote the following segment which works great at the command line:

1 DECLARE

  2  spfile           VARCHAR2(120);
  3  pfile            VARCHAR2(120);
  4  cursor_handle    INTEGER;
  5  return_cd        INTEGER;

6 BEGIN
7 SELECT rtrim(a.value,'bdump')||'pfile/spfile'||b.value||'.ora', 8 rtrim(a.value,'bdump')||'pfile/init'||b.value||'.ora' 9 INTO spfile, pfile
10 FROM v$parameter a, v$parameter b 11 WHERE a.name = 'background_dump_dest' and b.name = 'db_name'; 12 cursor_handle:=DBMS_SQL.OPEN_CURSOR; 13 DBMS_SQL.PARSE(cursor_handle,'CREATE SPFILE='''||spfile||''' FROM /

PFILE='''||pfile||'''',dbms_sql.native); 14 return_cd:=DBMS_SQL.EXECUTE(cursor_handle); 15 DBMS_SQL.CLOSE_CURSOR(cursor_handle); 16 EXCEPTION
17 WHEN OTHERS THEN
18 DBMS_SQL.CLOSE_CURSOR(cursor_handle); 19* END; When I turn it into a trigger:
CREATE OR REPLACE TRIGGER sys.sync_spfile AFTER STARTUP ON DATABASE {everything else the same}

It compiles fine. However it doesn't execute on startup for some reason.

Any ideas?

TIA, John P Weatherman
Database Administrator
Replacements Ltd.
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Author: John Weatherman
INET: john.weatherman_at_replacements.com

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