It should be fairly easy. This what I just did on one my systems right now. I see you posted more information while I was doing that. I'll take a look at that information after I finish this post.
KA640-A V5.3, VMB 2.7
Performing normal system tests.
41..40..39..38..37..36..35..34..33..32..31..30..29..28..27..26..
25..24..23..22..21..20..19..18..17..16..15..14..13..12..11..10..
09..08..07..06..05..04..03..
Tests completed.
>>>SHOW DSSI
DSSI Node 0 (VMSSYS)
-DIA0 (RF31)
DSSI Node 1 (VMSUSR)
-DIA1 (RF30)
DSSI Node 7 (*)
>>>SET HOST/DUP/DSSI 1
Starting DUP server...
DSSI Node 1 (VMSUSR)
Copyright © 1988 Digital Equipment Corporation
DRVEXR V1.1 D 5-MAY-1989 13:18:42
DRVTST V1.1 D 5-MAY-1989 13:18:42
HISTRY V1.0 D 5-MAY-1989 13:18:42
ERASE V1.3 D 5-MAY-1989 13:18:42
PARAMS V1.2 D 5-MAY-1989 13:18:42
DIRECT V1.0 D 5-MAY-1989 13:18:42
End of directory
Task Name? ERASE
Copyright © 1988 Digital Equipment Corporation
Write/read anywhere on medium? [1=Yes/(0=No)] 1
User data will be corrupted. Proceed? [1=Yes/(0=No)] 1
6 minutes to complete.
VMSUSR::MSCP$DUP 5-MAY-1989 13:22:22 ERASE CPU=00:00:02.50 PI=922
VMSUSR::MSCP$DUP 5-MAY-1989 13:22:42 ERASE CPU=00:00:04.15 PI=1858
VMSUSR::MSCP$DUP 5-MAY-1989 13:23:02 ERASE CPU=00:00:05.43 PI=2792
VMSUSR::MSCP$DUP 5-MAY-1989 13:23:23 ERASE CPU=00:00:06.25 PI=3712
VMSUSR::MSCP$DUP 5-MAY-1989 13:23:43 ERASE CPU=00:00:07.05 PI=4632
VMSUSR::MSCP$DUP 5-MAY-1989 13:24:03 ERASE CPU=00:00:07.90 PI=5558
VMSUSR::MSCP$DUP 5-MAY-1989 13:24:23 ERASE CPU=00:00:09.51 PI=6476
VMSUSR::MSCP$DUP 5-MAY-1989 13:24:43 ERASE CPU=00:00:10.74 PI=7382
VMSUSR::MSCP$DUP 5-MAY-1989 13:25:03 ERASE CPU=00:00:12.08 PI=8298
VMSUSR::MSCP$DUP 5-MAY-1989 13:25:23 ERASE CPU=00:00:13.71 PI=9220
VMSUSR::MSCP$DUP 5-MAY-1989 13:25:44 ERASE CPU=00:00:15.71 PI=10146
VMSUSR::MSCP$DUP 5-MAY-1989 13:26:04 ERASE CPU=00:00:16.63 PI=11064
VMSUSR::MSCP$DUP 5-MAY-1989 13:26:24 ERASE CPU=00:00:17.76 PI=11974
VMSUSR::MSCP$DUP 5-MAY-1989 13:26:44 ERASE CPU=00:00:19.28 PI=12880
VMSUSR::MSCP$DUP 5-MAY-1989 13:27:04 ERASE CPU=00:00:20.96 PI=13804
VMSUSR::MSCP$DUP 5-MAY-1989 13:27:24 ERASE CPU=00:00:21.82 PI=14732
VMSUSR::MSCP$DUP 5-MAY-1989 13:27:44 ERASE CPU=00:00:23.03 PI=15664
Erase complete.
Task Name? EXIT
Stopping DUP server...
>>>BOOT DIA0
(BOOT/R5:0 DIA0)
2..
-VMSSYS$DIA0
1..0..
%SYSBOOT-I-SYSBOOT Mapping the SYSDUMP.DMP on the System Disk
%SYSBOOT-I-SYSBOOT SYSDUMP.DMP on System Disk successfully mapped
%SYSBOOT-I-SYSBOOT Mapping PAGEFILE.SYS on the System Disk
%SYSBOOT-I-SYSBOOT SAVEDUMP parameter not set to protect the PAGEFILE.SYS
OpenVMS (TM) VAX Version V7.3 Major version id = 1 Minor version id = 0
Welcome to OpenVMS (TM) VAX Operating System, Version V7.3
Username: SYSTEM
Password:
Welcome to OpenVMS (TM) VAX Operating System, Version V7.3 on node BA215
Last interactive login on Saturday, 14-NOV-2015 17:33
Last non-interactive login on Saturday, 14-NOV-2015 17:27
$ SHOW DEV /FULL DIA0:
Disk $1$DIA0: (VMSSYS), device type RF31, is online, mounted, file-oriented
device, shareable, available to cluster, error logging is enabled.
Error count 0 Operations completed 3071
Owner process "" Owner UIC [SYSTEM]
Owner process ID 00000000 Dev Prot S:RWPL,O:RWPL,G:R,W
Reference count 55 Default buffer size 512
Total blocks 744400 Sectors per track 50
Total cylinders 1861 Tracks per cylinder 8
Host name "VMSSYS" Host type, avail RF31, yes
Allocation class 1
Volume label "OVMSVAXSYS" Relative volume number 0
Cluster size 9 Transaction count 219
Free blocks 160290 Maximum files allowed 37220
Extend quantity 5 Mount count 1
Mount status System Cache name "_$1$DIA0:XQPCACHE"
Extent cache size 64 Maximum blocks in extent cache 16029
File ID cache size 64 Blocks currently in extent cache 15579
Quota cache size 0 Maximum buffers in FCP cache 341
Volume owner UIC [1,1] Vol Prot S:RWCD,O:RWCD,G:RWCD,W:RWCD
Volume Status: ODS-2, subject to mount verification, protected subsystems
enabled, file high-water marking, write-through caching enabled.
$ SHOW DEV /FULL DIA1:
Disk $1$DIA1: (VMSUSR), device type RF30, is online, file-oriented device,
shareable, available to cluster, error logging is enabled.
Error count 0 Operations completed 0
Owner process "" Owner UIC [SYSTEM]
Owner process ID 00000000 Dev Prot S:RWPL,O:RWPL,G:R,W
Reference count 0 Default buffer size 512
Host name "VMSUSR" Host type, avail RF30, yes
Allocation class 1
$ INITIALIZE $1$DIA1: OVMSVAXUSR
$ MOUNT /SYSTEM $1$DIA1: OVMSVAXUSR
%MOUNT-I-MOUNTED, OVMSVAXUSR mounted on _$1$DIA1: (VMSUSR)
$ SHOW DEV /FULL DIA1:
Disk $1$DIA1: (VMSUSR), device type RF30, is online, mounted, file-oriented
device, shareable, available to cluster, error logging is enabled.
Error count 0 Operations completed 58
Owner process "" Owner UIC [SYSTEM]
Owner process ID 00000000 Dev Prot S:RWPL,O:RWPL,G:R,W
Reference count 1 Default buffer size 512
Total blocks 293040 Sectors per track 37
Total cylinders 7920 Tracks per cylinder 1
Host name "VMSUSR" Host type, avail RF30, yes
Allocation class 1
Volume label "OVMSVAXUSR" Relative volume number 0
Cluster size 3 Transaction count 1
Free blocks 292965 Maximum files allowed 36630
Extend quantity 5 Mount count 1
Mount status System Cache name "_$1$DIA0:XQPCACHE"
Extent cache size 64 Maximum blocks in extent cache 29296
File ID cache size 64 Blocks currently in extent cache 0
Quota cache size 0 Maximum buffers in FCP cache 341
Volume owner UIC [SYSTEM] Vol Prot S:RWCD,O:RWCD,G:RWCD,W:RWCD
Volume Status: ODS-2, subject to mount verification, file high-water marking,
write-back caching enabled.
$ DIR $1$DIA1:[000000...]
Directory $1$DIA1:[000000]
000000.DIR;1 BACKUP.SYS;1 BADBLK.SYS;1 BADLOG.SYS;1
BITMAP.SYS;1 CONTIN.SYS;1 CORIMG.SYS;1 INDEXF.SYS;1
SECURITY.SYS;1 VOLSET.SYS;1
Total of 10 files.