HP 3000 Manuals

MPE/iX Quick Reference Guide

LDISMOUNT 

Negates 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.

LDISMOUNT [*            ][,groupname[.acctname]]
          [volumesetname]
     LDISMOUNT DATABASE.PAYROLL.ACCTNG 

MPE/iX 5.0 Documentation