Virtual Hometerm Subsystem (VHS) Manual (H06.03+)

Introduction to VHS
Virtual Hometerm Subsystem (VHS) Manual—429311-001
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Using Multiple VHS Processes
Using Multiple VHS Processes
You can use multiple VHS processes to balance the load on your system. For instance,
you could have one VHS process for specific applications: $VHS1 could run in CPU0
and receive messages from telecommunication applications, $VHS2 could run in
CPU2 and receive messages from production applications, and $VHS3 could run in
another CPU and receive messages from development applications. Note that each
VHS process can handle a maximum of 512 opens at the same time.
When you have multiple VHS processes running on your system, you can choose to
have these processes use one set of log and prompt files. Figure 1-3 shows how three
VHS processes ($VHS1, $VHS2, and $VHS3) share the same primary log and prompt
files. However, you can create a separate VHS environment for one or more VHS
processes, with its own set of prompt and log files, as described later.
Note. VHS cannot be opened by remote processes. VHS can only be opened by local
processes.
Figure 1-3. Multiple VHS Processes
Environment: VHS
VHS Inspect
File
VHS Log
File
VHS Prompt
File
$VHS1
$VHS3
$VHS2
VST013.vsd