RE: Backups failing

  • From: Sreejith S Nair <Sreejith.Sreekantan@xxxxxxxxxx>
  • To: ofabelo@xxxxxxxxx
  • Date: Wed, 31 Aug 2011 10:48:14 +0530

Here are the manual steps for dropping emca.
Please test it yourself before executing this.

1. stop dbconsole , if running and the following process from ORACLE_HOME 
(from each node)

$ps -ef | grep console
$ps -ef| grep emwd
$ps -ef | grep emagent
$ps -ef |grep java

2. set env variables


SET ORACLE_HOSTNAME=< Hostname of your machine "
SET ORACLE_HOME=< Location where your database is installed >
SET ORACLE_SID=< name of your database "
SET PATH=%ORACLE_HOME%\bin;%PATH%

3. Logon SQLPLUS as user SYS or SYSTEM, and drop the sysman account and 
management objects:

a. drop user sysman cascade;
b. drop role MGMT_USER;
c. drop user MGMT_VIEW cascade;
d. drop public synonym MGMT_TARGET_BLACKOUTS;
e. drop public synonym SETEMVIEWUSERCONTEXT;

f. drop public synonym MGMT_target_blackouts;
g. drop public synonym mgmt_severity_array;
h. drop public synonym mgmt_guid_obj;


+ Verify any left over object owned by SYSMAN
SQL> SELECT owner,TABLE_NAME, synonym_name name FROM dba_synonyms WHERE 
table_owner = 'SYSMAN';

if yo notice any public synonym or any rows returned by the above query .

SQL> DECLARE
CURSOR c1 IS
SELECT owner, synonym_name name
FROM dba_synonyms
WHERE table_owner = 'SYSMAN';
BEGIN
FOR r1 IN c1 LOOP
IF r1.owner = 'PUBLIC' THEN
EXECUTE IMMEDIATE 'DROP PUBLIC SYNONYM '||r1.name;
ELSE
EXECUTE IMMEDIATE 'DROP SYNONYM '||r1.owner||'.'||r1.name;
END IF;
END LOOP;
END;
/

+ move or rename config folders on each node :

$rm -rf $ORACLE_HOME/<HOSTNAME_SID>
$rm -rf $ORACLE_HOME/oc4j/j2ee/OC4J_DBConsole_<hostname>_<sid>


You would replace the values in the <> with the correct values.

 
With Regards,
Sreejith
 
 
 



From:   Oliver <ofabelo@xxxxxxxxx>
To:     "Sweetser, Joe" <JSweetser@xxxxxxxx>
Cc:     Oracle L <oracle-l@xxxxxxxxxxxxx>, Sreejith Nair 
<sreejithsna@xxxxxxxxx>
Date:   08/30/2011 10:40 PM
Subject:        RE: Backups failing
Sent by:        oracle-l-bounce@xxxxxxxxxxxxx



Thanks to all. It hangs,so it didn't enter in quiesce mode.
Can someone paste me the manual steps for dropping EM manually? thanks 
beforehand.
El 30/08/2011 17:55, "Sweetser, Joe" <JSweetser@xxxxxxxx> escribió:
> I agree with Sreejith but would suggest the quiesce state is a little 
more restrictive than just not accepting new connections. From here: 
http://download.oracle.com/docs/cd/B28359_01/server.111/b28310/start004.htm

> 
> Is this:
> Occasionally you might want to put a database in a state that allows 
only DBA transactions, queries, fetches, or PL/SQL statements. Such a 
state is referred to as a quiesced state, in the sense that no ongoing 
non-DBA transactions, queries, fetches, or PL/SQL statements are running 
in the system.
> 
> But if your emca process is hanging with both drop and recreate, then 
that may not be the issue.
> 
> -joe
> 
> -----Original Message-----
> From: Sreejith Nair [mailto:sreejithsna@xxxxxxxxx]
> Sent: Tuesday, August 30, 2011 10:42 AM
> To: ofabelo@xxxxxxxxx
> Cc: Sweetser, Joe; Oracle L
> Subject: Re: Backups failing
> 
> Quiesce mode means no new connections will be accepted. This is when you 
use emca for dropping. With 11.2 database will not come in quiesce mode 
when dropping em repository and objects.
> 
> However, I am not sure whether dropping em 'manually' will put database 
in quiesce mode for 10g.
> I have done this ( manual drop ) in 11.2 and database does not go in 
quiesce mode. In my case also. Dropping using emca and Repmanager did 
hang, which is why I went for manual drop.
> 
> Sreejith
> ~Sent from my samsung phone
> 
> ------- Original message -------
>> From: Oliver <ofabelo@xxxxxxxxx>
>> To: sreejithsna@xxxxxxxxx
>> Cc: JSweetser@xxxxxxxx, oracle-l@xxxxxxxxxxxxx
>> Sent: 30/8/'11, 21:36
>>
>> What is quiesce mode?
>> Can someone paste me the content of that note? thanks.
>> I've executed recreate but it hangs too,so I've executed drop first 
(although it hangs too).
>> Thanks beforehand.
>> El 30/08/2011 16:18, "Sreejith Nair" <sreejithsna@xxxxxxxxx> escribió:
> 
> 
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