How to check if asynch io is enabled in Solaris?
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Thread: How to check if asynch io is enabled in Solaris?

  1. #1
    Join Date
    Aug 2002
    Posts
    56

    How to check if asynch io is enabled in Solaris?

    Hi Gurus,
    I am using a 9.2.0.7 db on Solaris 10. The disk_asynch_io is set to true and filesystem_options=asynch. But when we do the truss on the dbw process we find that its calling the pwrite/pread instead aioread and aiowrite calls. In Linux you have to run the following command to enable asynch for Oracle:

    cd to $ORACLE_HOME/rdbms/lib

    a) make -f ins_rdbms.mk async_on
    b) make -f ins_rdbms.mk ioracle

    Also in Linux it can be verified if asynch Io is enabled or not by using:
    cat /proc/slabinfo | grep kio


    I wanted to know how I can check in Solaris weather asynch IO is enabled for Oracle or not. Also if its not enabled how can I enable it?

    TIA
    When in doubt ...go to the basics!!

  2. #2
    Join Date
    Apr 2003
    Posts
    353

  3. #3
    Join Date
    Aug 2002
    Posts
    56
    Thanks engiri...this does help
    When in doubt ...go to the basics!!

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