Converting Quick I/O files to Oracle Disk Manager files
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Converting Quick I/O files to Oracle Disk Manager files

If you plan to run Veritas Storage Foundation for Db with Oracle9i or later, and you have been using Quick I/O files, it is recommended that you convert your Quick I/O files to regular files. This should be done after you upgrade Veritas Storage Foundation for Db.

Note:

If you are running an earlier version of Oracle (Oracle 8.x or lower), you should not convert your Quick I/O files because Oracle Disk Manager is for Oracle9i or later only.

Because Oracle Disk Manager uses the Quick I/O driver to perform asynchronous I/O, do not turn off the Quick I/O mount option, which is the default.

Note:

Because Oracle Disk Manager uses the Quick I/O driver to perform asynchronous I/O, do not turn off the Quick I/O mount option, which is the default.

To convert Quick I/O files to Oracle Disk Manager files

  1. Run qio_getdbfiles to retrieve a list of all datafiles.

    # /opt/VRTS/bin/qio_getdbfiles -T ora -a

    The list is compiled in a file named mkqio.dat.

  2. Shutdown the database.

  3. Run qio_convertdbfiles in the directory containing the mkqio.dat file. (This script converts all Quick I/O files to ODM files.)

    # /opt/VRTS/bin/qio_convertdbfiles -T ora -u

  4. Restart the database instance.

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