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I have to restart a database, but it seems, it has not been start by the good process:

ps -ef | grep smon | grep mydb
oracle 54621  1 0 2021 ?    00:10:55 ora_smon_mydb

. oraenv
ORACLE_SID = [oracle] ? mydb
The Oracle base has been set to /product/oracle/1120



sqlplus / as sysdba
SQL*Plus realease 11.2.0.4 Prodction
connected to an idle instance

So how to know how the process has been started to stop it properly?

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  • Sounds like ORACLE_HOME might not be set correctly.
    – pmdba
    Jan 12 at 13:42
  • I set the ORACLE_HOME properly but maybe the guy who start the db not. So the trick is maybe how to find the ORACLE_HOME set by the active process?
    – eliatou
    Jan 12 at 14:58

1 Answer 1

Reset to default
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Below command shows you the ORACLE_HOME used for that process.

strings /proc/54621/environ | grep ORACLE_HOME

Sometimes people add an unnecessary slash to the ORACLE_HOME, for example they use /product/oracle/1120/db_1/ instead of /product/oracle/1120/db_1, which may cause the above issue.

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  • Nice and easy solution! I just did a ls -l /proc/54621 to see the Oracle_home who started the process!
    – eliatou
    Jan 12 at 21:53

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