Using the VMFPLC2 Command

The following example shows you how to create a backup of your private minidisk or directory, and later restore a particular file from the backup. The VMFPLC2 command is used because it provides better performance than the TAPE command, when loading a single file or a small number of files from a large group of files.

Terminal Display Comments

Terminal Display	Comments
`q tape TAPE 181 ON TAPE 0EAA Ready;`	Check to see if a tape is attached. Ensure there are no file modes that are extensions of the file mode to be dumped. Extensions of the file mode to be dumped are always checked for files that match the selection criteria, and any file that matches is also dumped.
`vmfplc2 dump * * a Dumping … ALL NOTEBOOK A0 LASTING GLOBALV A1 PROFILE EXEC A1 ⋮ PRG9 ASSEMBLE A1 Ready;`	The VMFPLC2 command is used because it provides better performance when specific files are loaded from tape. To use VMFPLC2 to read the tape, the tape must be written with VMFPLC2. All the files on the A file mode are written to tape. The tape can now be removed and stored for future use. If you later decide to restore your old copy of the XEDIT profile, you must first get your backup tape mounted and ready for use. Then, use the VMFPLC2 command.
`vmfplc2 load profile xedit a Loading … PROFILE XEDIT A1 Ready;`	The PROFILE XEDIT file is located on the tape and written to file mode A. Because a number of files have to be examined to find the requested file, this may take a noticeable amount of time. The more files that were on your file mode A that were before (alphabetically) the file you requested, the longer it will take. The tape can now be removed and stored away again.

q tape
TAPE 181 ON TAPE 0EAA
Ready;

Check to see if a tape is attached.

Ensure there are no file modes that are extensions of the file mode to be dumped.

Extensions of the file mode to be dumped are always checked for files that match the selection criteria, and any file that matches is also dumped.

vmfplc2 dump * * a
Dumping …
ALL      NOTEBOOK A0
LASTING  GLOBALV  A1
PROFILE  EXEC     A1
⋮
PRG9    ASSEMBLE A1
Ready;

The VMFPLC2 command is used because it provides better performance when specific files are loaded from tape. To use VMFPLC2 to read the tape, the tape must be written with VMFPLC2. All the files on the A file mode are written to tape.

The tape can now be removed and stored for future use.

If you later decide to restore your old copy of the XEDIT profile, you must first get your backup tape mounted and ready for use. Then, use the VMFPLC2 command.

vmfplc2 load profile xedit a
Loading …
PROFILE  XEDIT    A1
Ready;

The PROFILE XEDIT file is located on the tape and written to file mode A. Because a number of files have to be examined to find the requested file, this may take a noticeable amount of time. The more files that were on your file mode A that were before (alphabetically) the file you requested, the longer it will take.

The tape can now be removed and stored away again.

For more information about the VMFPLC2 command, see z/VM: CMS Commands and Utilities Reference.