The Change Optical Attributes (CHGOPTA) command can be used to
change specific optical configuration parameters that affect all jobs using
the optical file system.
The following parameters can be set according to your desired configuration.
- Copy attributes
- Specifies whether to copy the file attributes of the source file when
copying or moving files between the QDLS and the QOPT file systems using the HFS
Copy or Move Stream File APIs. This parameter
is ignored when copying or moving files within the optical file system and
is not valid for LAN-attached optical libraries. This value should be set
to *NO when applications do not require the file attributes to be maintained
when copying between the QOPT and QDLS file systems. Using this option improves
the performance of move and copy operations and reduces the optical storage
requirements when writing to an optical disk.
- Held file attribute
- Specifies whether held optical file support is enabled or disabled for
the /QOPT file system. When held optical file support is disabled it is up
to the user to ensure that correct recovery procedures are followed when there
is a close file error condition.
- Allow variant characters
- Indicates whether or not variant characters can be specified for path
names when accessing files on optical volumes in universal disk format (UDF)
through the hierarchical file system (HFS) interfaces. This parameter does
not affect access to optical volumes formatted in High Performance Optical
File System (HPOFS) or ISO 9660 formats. It also has no effect on integrated
file system interfaces for all optical media formats.
- Support extended media formats
- Indicates which media format to use when a media is added to an optical
device. Some media have both a primary and extended media format. For instance,
a UDF-Bridge Disk has ISO 9660 as the basic format and UDF as the extended
format. Rock Ridge alternate name structures is another format that is supported.
With this parameter, you can choose which format is to be used when a media
is added to a device.
