The directory structure was the problem I had in mind actually.
Moving to a different disk layout is easy with hot backup.
Jared
Rajesh.Rao_at_jpmchase.com
Sent by: root_at_fatcity.com
10/15/2002 10:24 AM
Please respond to ORACLE-L
To: Multiple recipients of list ORACLE-L
cc:
Subject: Re: Replication
This is definitely possible with RMAN. The only hitch is that in case you
use RMAN to write to disk, the same directory structure must exist on the
target server. The workaround would be to create soft links. Also, in
case,
you are moving the datafiles to a different destination, then one needs to
use the 'set newname' in RMAN. If you are looking for the fastest way to
replicate a db, and $$ aint a problem, I would recommend BCV splits.
If you only plan to use it as a reporting database only, and periodic
refreshes, why not use standby databases, instead of replication.
Raj
Jared.Still_at_r
adisys.com To: Multiple recipients of
list ORACLE-L
Sent by: cc:
root_at_fatcity. Subject: Re: Replication
com
October 14,
2002 04:44 PM
Please
respond to
ORACLE-L
How about:
Copy your database to the new server. This needs to be
done in real time. I've done this a number of times by
putting the database in hot backup mode, copying the
datafiles to the new server.
Then when you're ready to switch, shutdown the old
database, copy all archive logs generated during the
backup to the new server.
Also, copy all unarchived redo logs to the new server
as well. Open the new database, apply media recovery
using all the archive logs you copied, as well as the
unarchived redo logs.
Applying the redo logs from the old database allows
you to open the database without 'RESETLOGS'.
This may be possible with RMAN, but I suspect the
hot backup method is simpler.
Jared
"Robin Li"
Sent by: root_at_fatcity.com
10/14/2002 12:53 PM
Please respond to ORACLE-L
To: Multiple recipients of list ORACLE-L
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Subject: Re: Replication
Thanks to all who replied.
The idea comes from the application manager. Because there is a new
server for his application, we have to move the DB from the old server
to the new one. Our original plan was by using RMAN's duplicate method
which I've done for couple times and feel confident. By using this
method, it will take about 4 hours downtime which the manager does not
accept. He says by using the replicating, one hour downtime will be
enough (who knows how he comes up this number?) And after the DB is cut
over,
he is going to use the DB on the old server as reporting.
Robin
Jared.Still_at_radisys.com wrote:
Is this simply replicating data to another system read only?
Replicated for what purpose? High Availability? Querying and
reporting?
Jared
"Robin Li"
Sent by: root_at_fatcity.com
10/14/2002 06:58 AM
Please respond to ORACLE-L
To: Multiple recipients of list ORACLE-L
cc:
Subject: Replication
Hi all,
Does anyone have the appropriate time on implementing replication for a
newbe?
I am given a time frame on doing the replication for 10 days which is
including testing on test server and move to production. I've never done
that before, now just start reading. This DB is about 30G on Oracle
8.1.7.
TIA
Robin
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