Jarad, A standby is simpler, however it has limited use for offloading some system load (opening for read access suspends roll forward, so the data is somewhat stale). By using Master-Master synchronous replication with good deadlock handlers, you can use BOTH instances so you get the benefit of not having an unused instance lying around (damagement hates that), but still have fail over available. Since you can have different users/locations attach to different instances, you also get some scalability advantages.
In general, I agree a standby is MUCH simpler. John P Weatherman Database Administrator Replacements Ltd. -----Original Message----- Sent: Friday, June 14, 2002 1:41 PM To: Multiple recipients of list ORACLE-L Curious, that note suggests Advanced Replication as a failover methodology. Seems that a standby database would be _much_ simpler. Any thoughts ( from anyone ) on why one would use AR for failover, rather than using a standby database? Jared John Weatherman <[EMAIL PROTECTED]> Sent by: [EMAIL PROTECTED] 06/14/2002 09:50 AM Please respond to ORACLE-L To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> cc: Subject: RE: Replication question Mitchell, There are a LOT of good papers in Metalink. I've been getting my own education over the last few months. Replication is a really great swiss army knife though, you need to do a little looking for what you specifically need to do, then test, test, test. Oh, and did I mention test? :) I found Note: 138181.1 particularly helpful. Oh, and plan on some TARs. I have found Support very helpful/informative in this area. Good Luck, John P Weatherman Database Administrator Replacements Ltd. -----Original Message----- Sent: Friday, June 14, 2002 12:05 PM To: Multiple recipients of list ORACLE-L Hi all I will work on replication soon. any advice for reference I can get. Thanks in advance. Mitchell -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: John Weatherman INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: John Weatherman INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).