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What is the file hc_<sid>.dat used for?

  1. What is the file hc_<sid>.dat used for?

    I noticed that when you create a new database, that there is a file
    that is located in the $ORACLE_HOME/dbs directory (where the init.ora
    is usually located) that is named "hc_.dat"

    On my system (Solaris 2.9) it is 1552 bytes and if you cat the file you
    get:

    DO NOT DELETE OR OVERWRITE THIS FILE!!!
    öD

    Does anyone know what this is used for?


  2. Re: What is the file hc_<sid>.dat used for?

    What version of Oracle are you using? I think there is an instance
    Health Check file with ORACLE RDBMS 10.1. It is used for monitoring
    instance health and to determine why it went down.


  3. Re: What is the file hc_<sid>.dat used for?

    What version of Oracle are you using? I think there is an instance
    Health Check file with ORACLE RDBMS 10.1. It is used for monitoring
    instance health and to determine why it went down.


  4. Re: What is the file hc_<sid>.dat used for?

    What version of Oracle are you using? I think there is an instance
    Health Check file with ORACLE RDBMS 10.1. It is used for monitoring
    instance health and to determine why it went down.


  5. Re: What is the file hc_<sid>.dat used for?

    What version of Oracle are you using? I think there is an instance
    Health Check file with ORACLE RDBMS 10.1. It is used for monitoring
    instance health and to determine why it went down.


  6. Re: What is the file hc_<sid>.dat used for?

    What version of Oracle are you using? I think there is an instance
    Health Check file with ORACLE RDBMS 10.1. It is used for monitoring
    instance health and to determine why it went down.


  7. Re: What is the file hc_<sid>.dat used for?

    What version of Oracle are you using? I think there is an instance
    Health Check file with ORACLE RDBMS 10.1. It is used for monitoring
    instance health and to determine why it went down.


  8. Re: What is the file hc_<sid>.dat used for?

    What version of Oracle are you using? I think there is an instance
    Health Check file with ORACLE RDBMS 10.1. It is used for monitoring
    instance health and to determine why it went down.


  9. Re: What is the file hc_<sid>.dat used for?

    What version of Oracle are you using? I think there is an instance
    Health Check file with ORACLE RDBMS 10.1. It is used for monitoring
    instance health and to determine why it went down.


  10. Re: What is the file hc_<sid>.dat used for?

    Sorry, using 10.1.0.2...

    Is there any documentation on this file anywhere?


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