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MPE/iX Commands Reference Manual: HP 3000 MPE/iX Computer Systems > Chapter 4 Command Definition F-KLDISMOUNT |
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Cancels a previously issued LMOUNT or VSRESERVE command. This informs the system that the volume set is no longer reserved system-wide. The equivalent native mode command is VSRELEASESYS. (Native Mode)
The LDISMOUNT command negates a previously issued LMOUNT or VSRESERVE command. It informs MPE/iX that the volume set is no longer reserved system-wide. Volume sets in MPE/iX are not tied to groups and accounts. This is different from the MPE V/E scheme of disk partitioning. Table 4-3 “Command Acceptance of Naming Conventions - LDISMOUNT Command” is a comparison of naming conventions for MPE/iX volume sets and MPE V/E private volumes. 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. Table 4-3 Command Acceptance of Naming Conventions - LDISMOUNT Command
In MPE V/E, the name V.G.A indicates that V is the name of a volume set, that G is the name of a group, and that A is the name of an account. MPE/iX accepts that name in that form, but no interpretation is made as to the referencing of G and A. Instead, MPE/iX accepts that name in that form, but no interpretation is made as to the referencing of G and A. MPE/iX treats V.G.A. as a single, long string name, just as it would treat A_VERY_LONG_NAME_FOR_SOMETHING. MPE/iX does, however, accept the naming convention that was used for MPE V/E private volumes. Therefore, LDISMOUNT V.G.A succeeds, and LDISMOUNT V accesses the same volume set, provided you are logged on to account A, group G. The MPE V/E commands are able to "default" the logon account and group. However, VSRESERVE V succeeds only if there is a volume set V in existence. The MPE/iX commands do not call up any default specifications for group and account. VSRESERVE V.G.A succeeds only if a volumeset V.G.A is online. With MPE/iX VSxxxxxx commands, the .G.A component of this name is interpreted as a string, neither more nor less specific than _G _A. If a volume set is named according to the MPE V/E naming convention (V.G.A), you must use an unambiguous reference when using the MPE/iX volume set commands. It is recommended that you not use the MPE V/E naming convention and the xxxMOUNT commands. Instead use the MPE/iX naming convention and the VSxxxxxx commands. Alternating between MPE V/E and MPE/iX commands may lead to errors. For example, MOUNT X used in a job stream attempts to access a volume set named X.logongrp.logonacct, which may or may not be your intention. This command may be issued from a session, job, program, or in BREAK. Pressing Break has no effect on this command. It may be executed only from the console unless distributed to users with the ALLOW command. To release a volume set named DATABASE.PAYROLL.ACCTNG, enter:
You may also use the VSRELEASESYS command:
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