Veritas Storage Foundation 5.1 SP1 Advanced Features Administrator"s Guide (5900-1503, April 2011)

Lets you specify the type of database as db2. Specify this option only
in environments where the type of database is ambiguous (for example,
when multiple types of database environment variables, such as
$ORACLE_SID, SYBASE, DSQUERY, and $DB2INSTANCE, are present
on a server).
-T
The following options are available for the qio_convertdbfiles command:
Changes regular files to Quick I/O files using absolute path names.
Use this option when symbolic links need to point to absolute path
names (for example, at a site that uses SAP).
-a
Displays a help message.-h
Lets you specify the type of database as db2. Specify this option only
in environments where the type of database is ambiguous (for example,
when multiple types of database environment variables, such as
$ORACLE_SID, SYBASE, DSQUERY, and $DB2INSTANCE are present
on a server).
-T
Changes Quick I/O files back to regular files. Use this option to undo
changes made by a previous run of the qio_convertdbfiles script.
-u
Improving DB2 performance with Veritas Quick I/O
Converting DB2 containers to Quick I/O files
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