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    emca -repos create causes instance unavailable error


      I'm on a customer site and attempting to create the em repository.

      While running the emca -config dbcontrol db -repos create command I get the following error 'Database Instance Unavailable'. There was permission issues on the sysman user prior to me being onsite so I dropped the repo prior to the attempted create - the -repos drop worked perfectly.

      Can anyone help with this as I'm now stuck with what to try.

      I've put details of my workings below

      When I run the command


      chalf002:~ # emca -config dbcontrol db -repos create  STARTED EMCA at 08-Oct-2013 11:29:10  EM Configuration Assistant, 
      Version Production  Copyright (c) 2003, 2005, Oracle.  All rights reserved.   
      Enter the following information:  Database SID: alf 
      Exception in thread "main" oracle.sysman.emcp.exception.DatabaseUnavailableException: Database instance unavailable.  at oracle.sysman.emcp.
      DatabaseChecks.throwDBUnavailableException(DatabaseChecks.java:151)  at oracle.sysman.emcp.
      DatabaseChecks.checkDbAvailabilityImpl(DatabaseChecks.java:144)  at oracle.sysman.emcp.
      DatabaseChecks.checkDbAvailability(DatabaseChecks.java:163)  at oracle.sysman.emcp.
      DatabaseChecks.getDbServiceName(DatabaseChecks.java:582)  at oracle.sysman.emcp.
      EMConfigAssistant.performConfiguration(EMConfigAssistant.java:1267)  at oracle.sysman.emcp.
      EMConfigAssistant.statusMain(EMConfigAssistant.java:573)  at oracle.sysman.emcp.


      Instance is up and available


      SQL> select instance_name, status, startup_time from v$instance;   
        ---------------- ------------ --------- 
      alf              OPEN         09-SEP-13

      And the Database is registered with the listener..


      chalf002:~ # lsnrctl status    L
      SNRCTL for Linux: Version - Production on 08-OCT-2013 11:31:33   
      Copyright (c) 1991, 2009, Oracle.  All rights reserved.   
      STATUS of the LISTENER 
        Alias                     LISTENER 
      Version                   TNSLSNR for Linux: Version - Production 
      Start Date                09-SEP-2013 19:50:42 
      Uptime                    28 days 15 hr. 40 min. 51 sec 
      Trace Level               off 
      Security                  ON: Local OS Authentication 
      SNMP                      OFF 
      Listener Parameter File   /opt/oracle/product/11g/nes_alf/network/admin/listener.ora 
      Listener Log File         /opt/oracle/diag/tnslsnr/chalf002/listener/alert/log.xml 

      Listening Endpoints Summary...  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521))) 
        Services Summary... 
      Service "alf.nes.scot.XXX.uk" has 1 instance(s). 
            Instance "alf", status READY, has 1 handler(s) for this service...
        Service "alfXDB.nes.scot.XXX.uk" has 1 instance(s).
             Instance "alf", status READY, has 1 handler(s) for this service... 
      The command completed successfully

      The Environmental variables are set as follows.


      chalf002:~ # env  
      ORACLE_SID=alf  ORACLE_BASE=/opt/oracle 
      ORACLE_HOME=/opt/oracle/product/11g/nes_alf  _=/usr/bin/env

      No idea whats going on..

      Any help please as this is becoming an issue.

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