Thanks All. My test was also successful. I had planned on two different
aliases in tnsnames.ora. Otherwise I would be doomed to failure. I will
implement the differing passwords idea though.
Thanks again.
Hey that is two in a row, where I was pretty much right, but needed a little
confirmation. I had better be careful or I am going to confidently screw up
my database one of these days.
Steve McClure
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Rao, Maheswara
Sent: Friday, May 25, 2001 6:11 AM
To: Multiple recipients of list ORACLE-L
Subject: RE: Ok two databases..two machines..one database name
We have two 804 db's with same sid running on two different machines. One
is production and another is development. Our TNSNAMES contain machine_name
+ sid. This way we identify which db we are connecting.
Initially I had lot of problems getting OEM recognize these two db's. When
I called up Oracle support, they said that I cannot have two db's with same
sid and global name and OEM agent would not recognize. Essentially, they
washed off their hands clean.
Then, I played around with the intelligent agent file and finally OEM
started recognizing the two db's.
ONE CAUTION:
Keep your archived redo's stored separately and come up with a plan on
identifying which tape belongs to what machine. Passwords, yes, be careful.
Rao
-----Original Message-----
Sent: Thursday, May 24, 2001 8:41 PM
To: Multiple recipients of list ORACLE-L
I have been tasked with moving a production database to a 'backup' machine.
I ran my plan past you a week or so ago. Essentially I will put the DB in
backup mode, copy the datafiles, shutdown, copy redo and control files, then
recover on the second machine. So far plain vanilla. I understand the
above procedure enough to have actually thought of it.
My problem now is this. I need to test this instance on the 'backup'
machine before we actually do the move. This is Just to make sure the
application is completely in order. One of the developers is telling me
that having the two databases up and running with the same SID, even on
separate machines MAY cause trouble for the production instance. I believe
that if I make sure the tnsnames.ora file for both servers points to their
own local instances, that I will not have a problem. The clients will only
access the database pointed to in their tnsnames files, so I am confident we
are ok there. My question is can I have databases with the same name
running simultaneously on two different machines if I make sure the tnsnames
for each database points to it's own server? The database is 7.3.4. As
soon as I send this off I am going to create a small DB just to test this
out, but your input, as usual, is appreciated.
Thanks,
Steve McClure
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