it's valid. if there is no response on the first port, Oracle tries the next etc etc etc. It's a means of failover or allowing for continuity of connections while doing maintenance on a listener or server
--- Bob Metelsky <[EMAIL PROTECTED]> wrote: > Is having multiple addresses valid for a tns entry? > > A client provided this to me and initailly looked invalid > > alias = > (DESCRIPTION = > (ADDRESS_LIST = > (ADDRESS = (PROTOCOL = TCP)(HOST = 10.5.141.22)(PORT = 1521)) > (ADDRESS = (PROTOCOL = TCP)(HOST = 10.5.141.22)(PORT = 1526)) > (ADDRESS = (PROTOCOL = TCP)(HOST = 10.5.41.34)(PORT = 1521)) > (ADDRESS = (PROTOCOL = TCP)(HOST = 10.5.41.34)(PORT = 1526)) > (ADDRESS = (PROTOCOL = TCP)(HOST = 10.5.41.36)(PORT = 1521)) > (ADDRESS = (PROTOCOL = TCP)(HOST = 10.5.41.36)(PORT = 1526)) > ) > (CONNECT_DATA = (SID = name)(SERVER = DEDICATED)) > ) > > > From initial testing, if the first server is not avaliable the entire > connect fails. Personally Ive never seen this and from checking my > reference, this does NOT seem to be valid > > Any input would be most welcome > > Thanks! > bob > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Bob Metelsky > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > 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). __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Rachel Carmichael INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- 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).
