If you plan to run the Veritas product with Oracle10g or later, and you have been using Quick I/O files, Symantec recommends that you convert your Quick I/O files to regular files. This should be done after you upgrade.
To convert Quick I/O files to Oracle Disk Manager files
As Oracle DBA, run qio_getdbfiles to retrieve a list of all datafiles.
$ /opt/VRTS/bin/qio_getdbfiles -T ora -a
As Oracle DBA, run qio_convertdbfiles in the directory containing the mkqio.dat file. The qio_convertdbfiles script converts all Quick I/O files to ODM files.
$ /opt/VRTS/bin/qio_convertdbfiles -T ora -u