Friday, November 1, 2013

ORA-01102 cannot mount database in EXCLUSIVE mode

ORA-01102 cannot mount database in EXCLUSIVE mode

    Cause: Some other instance has the database mounted exclusive or shared.
    Action: Shut down the other instance or mount in a compatible mode.

shu immediate and try again to startup the database server

In my case there is problem in .bash_profile
where ORACLE_SID is not set.

"login with ORACLE user"
vim .bash_profile

"press i and add"
ORACLE_SID=orcl

restart/logout the machine to reflect the change to oracle user

 sqlplus sys/orcl as sysdba

SQL startup pfile='/u01/app/oracle/product/11.2.0/dbhome/dbs/*.ora'
ORACLE instance started.

Database mounted.
Database opened.

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