RE: FIXED: any junk password works for sys / NEW QUESTION: grid control: connection refused error

  • From: D'Hooge Freek <Freek.DHooge@xxxxxxxxx>
  • To: "sundarmahadevan82@xxxxxxxxx" <sundarmahadevan82@xxxxxxxxx>, "Oracle-L@xxxxxxxxxxxxx" <Oracle-L@xxxxxxxxxxxxx>
  • Date: Fri, 18 Sep 2009 16:59:23 +0200

Sundar,

When you are working directly on the database server (and you are part of the 
dba os group), then oracle allows sysdba's to be authenticated via the OS.
Strangly enough, in such cases oracle does not check the password if you 
provide one (it gets ignored).
When you sett the sqlnet.authentication_services to none, you disable the 
authentication via the os and thus oracle checks the password again.

regards,

Freek D'Hooge
Uptime
Oracle Database Administrator
e-mail: freek.dhooge@xxxxxxxxx
tel. +32 (0)3 451 23 82
http://www.uptime.be
disclaimer
________________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx [oracle-l-bounce@xxxxxxxxxxxxx] On Behalf 
Of sundar mahadevan [sundarmahadevan82@xxxxxxxxx]
Sent: 18 September 2009 16:19
To: Oracle-L@xxxxxxxxxxxxx
Subject: Re: FIXED: any junk password works for sys / NEW QUESTION: grid        
control: connection refused error

Hi All,
Thanks for the replies. Adding the sqlnet.ora file with
SQLNET.AUTHENTICATION_SERVICES = (NONE) fixed the junk password issue.
Would appreciate if Bala could explain me why junk password was
allowed earlier and after adding sqlnet.ora with
SQLNET.AUTHENTICATION_SERVICES = (NONE) made the trick.

Also I did not know that SYSMAN is the default user for managing grid
control. Hence I was using sys user to logon. There was no specific
reason for using sys user.

NEW QUESTION:

grid control: 10.2.0.1.1
agent: 10.2.0.5

I tried to configure the agent on remote host to manage it with grid
control. No errors reported during installation. Remote host resides
on virtualbox. The remote host has 2 databases(SID: orams and catdb).
The remote host is discovered by the grid control. It shows up on the
targets page. Do I have to manually add the host/databases to the grid
or are they automatically added to the grid? On the databases link, I
can see orams and catdb. As of now catdb is down and orams is up. But
both databases show as Metric collection error. orams should be
indicated as up. When I try to startup/shutdown with the
hostusername/password and database username/password, I get connection
refused error.

Also emctl status agent reports agent as not running but emctl start
agent reports it as running.  ps -ef  | grep -i emagent report 2
emagent related processes.

emctl stop agent
Agent is Not Running

emctl start agent
Agent is already running

emctl status agent
Agent is Not Running

Any help is greatly appreciated. Thanks a ton.
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