The last time I had this happen to me, I had the local_listener messed up - I had it pointing to the -vip instead of the SCAN address. What is your Local_Listener & Remote_listener? ~ Tyfanie Wineriter ~ Database Administrator University of Oregon 1212 University of Oregon Eugene, OR 97402-1212 (541) 346-1366 -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Sriram Kumar Sent: Thursday, November 01, 2012 5:41 PM To: postora@xxxxxxxxx Cc: oracle-l@xxxxxxxxxxxxx Subject: Re: Weird SCAN Issue Hi, check etc/hosts settings in both the nodes to start with. then look at the dns settings and route. have seen this when the listener returns back a hostname and the app server is not aware of this hostname. best regards sriram kumar On Fri, Nov 2, 2012 at 6:55 AM, Steven Andrew <postora@xxxxxxxxx> wrote: > All, > Anyone seen this behavior before. We are on 11.2.0.3 EE 2 Node RAC, RH > 5.8 > > We have 2 app nodes (node1 and node2) where we are testing > connectivity to newly setup 2 Node RAC cluster. > > From appNode1, if i connect either via SCAN FQDN via sqlplus > user/pass@xxxxxxxxx:port/service , it throws ORA-12545: Connect failed > because target host or object does not exist. However, if try the same > from appNode2, it works! > > I tried even with all 3 SCAN ip from appNode1, no luck. > > If i connect to dbnode1-vip (local listener) instead of SCAN from > appNode1, it connects just fine. > > What is that am i missing here. > > SCAN/listener logs don't give much to troubleshoot this. > > Note: I have made sure the services are listening on the said SCAN and > also the local listeners. > > Thanks, > Steven > > > -- > //www.freelists.org/webpage/oracle-l > > > -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l