Exemple :
$ set comm dev:[dir]rdbml
$ def rdbml disk$sys1:[rdbml.work]rdbml
$ def rdbmlgetlkishr disk$sys1:[rdbml.work]rdbmlgetlkishr
$ def rdbmlalarmshr disk$sys1:[rdbml.work]rdbmlalarm.exe
$ set comm rdbml
$ rdbml/alarm
RDBML 3.0 - VMS V7.2-1   - jfp@altavista.net
 Cancel
12-JAN-2000 12:51:31.54 Process 20200141 was blocked
        wait time:   
0 00:01:14.37, 74 seconds in LKB, 75 seconds in PHD
        database:
DISK$RDB1:[BASES_RDB.MABASE]MABASE.RDB;1
        process
name JFP_2
        image
$1$DKA0:[SYS0.SYSCOMMON.][SYSEXE]SQL$.EXE;8
        resource
name: logical area 476
        parent
resource name:
               
area 3
        request
mode: PR
        blocked
by
           
process 2020013F, granted queue, PW mode
               
name JFP
               
image $1$DKA0:[SYS0.SYSCOMMON.][SYSEXE]SQL$.EXE;8
Check processes :
  Pid     Name         
Image
2020013F  JFP          
$1$DKA0:[SYS0.SYSCOMMON.][SYSEXE]SQL$.EXE;8
$ mail
MAIL> 1
    #1         
12-JAN-2000 12:51:20.40                                 
NEWMAIL
From:   SYSTEM
To:     JFP
CC:
Subj:   rdbml, lock Rdb
12-JAN-2000 12:51:20.21 Process 20200141 is blocked
MAIL>