TNS-12545-12560-00515, Solaris Error : 126: Cannot assign requested address

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Problem:


Starting Database Listener  for and ACTIVE/PASSIVE cluster setup throw the following errors:


TNS-12545: Connect failed because target host or object does not exist

TNS-12560: TNS:protocol adapter error

TNS-00515: Connect failed because target host or object does not exist

Solaris Error: 126: Cannot assign requested address




Explanation:


We have active-passive 10g database under Sun Solaris 10 operating system cluster.

We tried to switch the database to work on the passive node.

when we tried to start the passive node, we got the following errors:
..................................................................
TNSLSNR for Solaris: Version 10.2.0.3.0 - Production

System parameter file is /oracle/aderp/10.2.0/network/admin/aderp_erp-lh/listener.ora

Log messages written to /oracle/aderp/10.2.0/network/admin/aderp.log

Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=erp-lh.auh.police)(PORT=1521)))

TNS-12545: Connect failed because target host or object does not exist

TNS-12560: TNS:protocol adapter error

TNS-00515: Connect failed because target host or object does not exist

Solaris Error: 126: Cannot assign requested address


Solution:


Active/Passive databases and listeners under operating system cluster setup should NOT be stopped or started manually, it should be throw the cluster.


    

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