IBM Directory Maintenance for z/VM (DirMaint)
| 11-16-2016: updated for z/VM DirMaint FL640
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IBM Directory Maintenance (DirMaint) for z/VM is a CMS application
that helps manage an installation's VM directory.
Directory statements can be added, deleted, or altered
using the DirMaint directory statement-like commands.
DirMaint provides automated validation and extent
allocation routines to reduce the chance of operator error.
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With z/VM V6, DirMaint is a priced, optional feature and is
automatically shipped on the z/VM V6 base product media:
See the announcement letter for further details,
The priced, optional feature of the IBM Directory Maintenance
Facility (DirMaint) has released a new function level (FL640) in
z/VM V6.4. DirMaint FL640 includes all service applied since
FL630 plus support is added for the z/VM upgrade installation
procedure exit (UPGDVHXT EXEC). This exit provides the
interface between the z/VM upgrade installation procedure and
DirMaint so that DirMaint can be used for all of the directory
updates associated with the upgrade installation. In order for
this exit to work successfully, some DirMaint configuration is
necessary. If you plan to use the z/VM upgrade installation
procedure with DirMaint, please see Appendix C. Preparing for
the z/VM Upgrade Installation Procedure here.
New support was added in DirMaint FL640 for Control Program
changes. The DIRM GLOBALOPTS, MACHINE, and SETMACH commands
have been updated with the new "Z" option to allow the definition
of a z/Architecture-only virtual machine.
z/VM V6.4 does not support Expanded Storage (XSTORE) for either host
or guest usage. The XSTORE DirMaint operand has been removed from the
documentation and is supported only for compatibility. The XSTORE
statement in a user directory has no function. If the directory
entry for a guest includes the XSTORE statement, message HCP1401I
will be issued when the guest logs on to state that XSTORE is not
In DirMaint FL640, the DirMaint RACF connector support has been
enhanced. New exits and configuration data specifications are added
to the interface between DirMaint and RACF/VM for link and NICDEF
creation and deletion, allowing for further coordination of CP
and RACF privileges and discrete resource profile creation and
Online Support for z/VM, where you can:
DirMaint service can be ordered on-line at IBM Shopz
with ordering information tips available
Instructions for testing service.
End of Service dates
Hints and Tips
All statements regarding IBM's plans, directions, and intent are subject to
change or withdrawal without notice. Any reliance on this Statement of
Direction is at the relying party's sole risk and will not create any liability
or obligation for IBM.