OpenVMS Cluster Systems - OpenVMS Systems - HP

Cluster Storage Devices
6.2 Naming OpenVMS Cluster Storage Devices
Table 6–2 (Cont.) Changing a DSSI Allocation Class Value
Step Task
2 At the DCL prompt, enter the SHOW DEVICE FY command to verify the presence and
status of the FY device, as follows:
$ SHOW DEVICE FY
Device
Name
Device
Status
Error
Count
FYA0: offline 0
3 At the DCL prompt, enter the following command sequence to set the allocation class value
to 1:
$ SET HOST/DUP/SERVER=MSCP$DUP/TASK=PARAMS node-name
params >set allclass 1
params >write
Changes require controller initialization, ok?[Y/N]Y
Initializing...
%HSCPAD-S-REMPGMEND, Remote program terminated--message number 3.
%PAxx, Port has closed virtual circuit - remote node TRACER
%HSCPAD-S-END, control returned to node node-name
$
4 Reboot the entire cluster in order for the new value to take effect.
6.2.2.6 Node Allocation Class Example With a DSA Disk and Tape
Figure 6–5 shows a DSA disk and tape that are dual pathed between two
computers.
Figure 6–5 Disk and Tape Dual Pathed Between Computers
URANUS
$1$DJA8
URANUS$DJA8
NEPTUN$DJA8
NEPTUN
ALLOCLASS=1
TAPE_ALLOCLASS=1
ARIEL OBERON
$1$MUB6
URANUS$MUB6
NEPTUN$MUB6
Ethernet
ALLOCLASS=1
TAPE_ALLOCLASS=1
ZK−6655−GE
In this configuration:
• URANUS and NEPTUN access the disk either locally or through the other
computer’s MSCP server.
Cluster Storage Devices 6–11