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HP Archive Backup System for OpenVMS Guide to Operations

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User Interfaces<br />

6.3 User Interface Restrictions<br />

6.2.4 Inherit<br />

All MDMS objects now accept the /INHERIT qualifier on Create. This allows you <strong>to</strong> create new<br />

objects and inherit most attributes of an existing object. This provides an easy way <strong>to</strong> “clone”<br />

objects, then apply the any differences in individual commands. It saves the ef<strong>for</strong>t of typing in all<br />

the attributes once a pro<strong>to</strong>type has been established. In general, only non-protected fields of<br />

objects can be inherited.<br />

In addition, the object list capability allows you <strong>to</strong> clone multiple objects in a single command.<br />

For example:<br />

6.2.5 Symbols<br />

6.2.6 Help and Reference<br />

MDMS CREATE DRIVE DRIVE_2, DRIVE_3, DRIVE_4/INHERIT=DRIVE_1<br />

This command creates three drives and applies all non-protected attributes of DRIVE_1 <strong>to</strong> the<br />

three new drives.<br />

MDMS now supports symbols on all objects which command procedures can read and process.<br />

To use symbols, enter a Show command <strong>for</strong> a single object. You can define a prefix other than<br />

the default one (MDMS_INQ). If prefix is not specified the default prefix is MDMS_INQ. The<br />

maximum length of the prefix is 8 characters. This qualifier is supported <strong>for</strong> wildcard show<br />

requests.<br />

The symbols are generally in the <strong>for</strong>mat “MDMS_INQ_qualifier”, where “qualifier” is almost<br />

always the associated qualifier name <strong>for</strong> the attribute. The list of symbols <strong>for</strong> each show command<br />

is documented <strong>for</strong> that command, and is also available in DCL help.<br />

When you issue a Show/Symbols, the show output is not displayed by default. If you wish <strong>to</strong> see<br />

the output as well, use Show/Symbols/Output.<br />

MDMS supports the normal DCL help mechanisms, as follows:<br />

$ MDMS HELP [VERB] [KEYWORD] [/QUALIFIER]<br />

$ HELP MDMS [VERB] [KEYWORD] [/QUALIFIER]<br />

In addition, you can request help on any error message, <strong>for</strong> example:<br />

MDMS HELP MESSAGE NOSUCHOBJECT<br />

You can request help on any MDMS logical name, <strong>for</strong> example:<br />

MDMS HELP LOGICAL MDMS$LOGFILTER<br />

Finally, you can locate the mapping of the old (pre-version 4.0) ABS commands <strong>to</strong> the MDMS<br />

equivalent, <strong>for</strong> example:<br />

MDMS HELP MAPPING CREATE ARCHIVE<br />

The MDMS Reference <strong>Guide</strong> fully documents all DCL commands and qualifiers.<br />

6.3 User Interface Restrictions<br />

MDMSView and the MDMS DCL supports operations on <strong>Archive</strong> <strong>Backup</strong> <strong>System</strong> (ABS)<br />

objects only if an ABS or SLS license is loaded on the system. The ABS objects are:<br />

• <strong>Archive</strong>s<br />

• Environments<br />

User Interfaces 6–17

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