Causes a volume set that was explicitly reserved by the user
(with a MOUNT or VSRESERVE command) to be released. The
corresponding new command is VSRELEASE.
For the commands MOUNT, DISMOUNT, LDISMOUNT, and LMOUNT, a volume
set name such as V.G.A. can have no more than eight characters in
any part of the name. If the length of V, G, or A exceeds eight
characters, an error is reported.
* or Specifies the home volume set for the group and
account specified, or for the logon group and
account if groupname or groupname.acctname is not
volumesetname An artificial component of a volume set name used to
maintain backward compatibility with MPE V/E.
groupname Used only for compatibility with MPE V/E.
acctname Used only for compatibility with MPE V/E.
This command may be issued from a session, job, or in BREAK. It may not
be used from a program. Pressing [Break] has no effect on this command.
You must have UV (Use Volumes) or CV (Create Volumes) capability to use
The DISMOUNT command allows you to release a volume set
that you explicitly reserved using the MOUNT or VSRESERVE
command. You can request a release only for a volume set
that you have reserved; you cannot alter the status of the
volume set for other users.
Volume sets in MPE/iX are not tied to groups and accounts
(this differs from the MPE V/E scheme of disk partitioning).
MPE/iX uses a new naming convention for volume sets. MPE/iX
volume set names may consist of any combination of
alphanumeric characters, including the underbar (_) and the
period (.). The name must begin with an alphabetic
character and consist of no more than 32 characters.
In MPE V/E, the name V.G.A indicates that V names a volume
set, that G is the name of a group, and that A is the name
of an account.
MPE/iX will accept that name in that form, but no
interpretation is made as to the referencing of G and A.
Instead, MPE/iX treats V.G.A as a single, long string name,
just as it would treat A_VERY_LONG_NAME_FOR_SOMETHING.
As a convenience to established HP users, MPE/iX will,
however, accept the naming convention that was used for MPE
V/E private volumes. Thus DISMOUNT V.G.A will succeed.
And DISMOUNT V will access the same volume set, provided
you are logged on onto account A, group G. The older
commands are able to "default" the logon account and group.
However, VSRELEASE V will succeed only if there is a volume
set "V" in existence. The new commands will not call up any
default specifications for group and account. VSRELEASE
V.G.A will succeed only if a volumeset V.G.A is on line.
With all new VSxxxxx commands, the .G.A component of this
name is interpreted as a string, neither more nor less
specific than _G _A.
Be aware, though, that if a volume set is named according to
the old MPE V/E naming convention (V.G.A), then you must use
an unambiguous reference when using the MPE/iX volume set
It is strongly recommended that you avoid using the MPE V/E
naming convention and the xxMOUNT commands. Instead use the
MPE/iX naming convention and the new VSxxxxxx commands.
Alternating old and new commands may lead to confusion and,
in some cases, may lead you into time-consuming errors. For
example, MOUNT X used in a job stream will attempt to
access a volume set named X.logongrp.logonacct -- which may
or may not be your intention.
To release the volume set MYSET.B.C, that you previously
reserved with a MOUNT or VSRESERVE command, enter
You may, as an alternative, use the new VSRELEASE command
Commands: MOUNT, VSRESERVE, VSRELEASE
Manuals : Volume Management Reference Manual (32650-90045)