I feel slightly gratified I was on the right sort of lines about changing a
host name, and networking generally, but annoyed I didn't think of DNS. Glad
you got it sorted, just the same.
Regards
HJR
--
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Oracle Insights: www.dizwell.com
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"jiggaman" <jiggamanrocks_at_yahoo.com> wrote in message
news:5374d389.0402100528.6a20f924_at_posting.google.com...
> Hi Howard ! :)
>
> We meet again ...thanx for your post. I was finally able to
> resovle the problem. It was a stale dns record problem. Our windows
> network's DNS server had stale records of the database host and
> therefore the name of the machine (database host) was pointing to a
> old name that no longer exists. Anyhow all i had to do is delete these
> stale records and the nodes were discoverd fine. Once again many thanx
> for your reply.
>
> Kind Regards,
>
> Jigar
>
> "Howard J. Rogers" <hjr_at_dizwell.com> wrote in message
news:<4027dc1b$0$5224$afc38c87_at_news.optusnet.com.au>...
> > "jiggaman" <jiggamanrocks_at_yahoo.com> wrote in message
> > news:5374d389.0402090935.3735dafa_at_posting.google.com...
> > > Hi,
> > >
> > > I am trying to use OEM 2.2 to manage a few database that we have.
> > > however every time I run the Node Discovery wizard it fails giving
> > > the following Error
> > > "Discovery Failed : VNI-4044 Cannot contact agent. Node may be down
> > > or, the network may be down or slow"
> > >
> > > In the windows control panel under sevices I see that the
> > > Oracle<ORACLE_HOME>Agent services is running. however when i go the
> > > console into LSNRCTL and give the dbsnmp_status command it says "The
> > > db subagent is not started". Since I get that message i run
> > > dbsnmp_start and it just give the the LSNRCTL command prompt. Note
> > > that when i run the command dbsnmp_start is doesnt give me any error
> > > or success conformation messages. once again i check the status of the
> > > dbsnmp and it says the "the db subagent is not started". I also tried
> > > deleting all the files int eh <orahome>/network/agent directory and
> > > then started the service using windows control panel . I get no errors
> > > however when i try to discover the node it keeps failing.
> > >
> > > Since this is a initial testing scenario I have two database instances
> > > running on the samebox and one of them contains the repository. I
> > > dunno if this is something that is creating the problem . do i need a
> > > seperate instance just for the repository? or is it something else
> > > that i need to fix.
> > >
> > > Your help will be apprieciated
> > >
> > > TIA
> > >
> > > Jigga
> >
> > No, you are supposed to have two separate instances and databases, and
put
> > the repository in one (usually called OEMREP) and use that to manage the
> > other (your "real" database). In a production setting, one would expect
> > OEMREP to be running on an entirely seaparate machine, but it's not
> > compulsory to do so, and I run two-on-one-node all the time. So you're
doing
> > OK there.
> >
> > A number of things spring to mind regarding your problem, but all of
them
> > revolve around networking configuration. Have you changed your machine's
> > name at all? Installing Oracle when the machine has one name, and then
> > changing it, can produce odd effects (such as the Management Server
refusing
> > to start, which isn't your problem, but sounds similar). Does your
> > listener.ora have a static declaration of a SID_LIST? Can you connect to
> > your instances via SQL*Plus using a tnsnames alias? Is there an
> > ORACLE_HOME\network\agent\log file we can see the contents of? Are you
doing
> > odd things like terminal services?
> >
> > Not sure you should have deleted *all* the files in O_H\network\agent:
just
> > the services.ora and the .q files would have been sufficient. If you've
done
> > more damage than that, you could be in trouble.
> >
> > Regards
> > HJR
Received on Tue Feb 10 2004 - 14:45:36 CST
