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XTCC VLS (Virtual Library Service)
8.14 VLS (Virtual Library Service)
8.14.1 Object information on VLSs
A VLS (Virtual Library Server) is the emulation of an archive system for magnetic tapes.
CentricStor can emulate various types of archive systems.
VLSs of the type VACS, VLMF or VDAS serve a number of clients. These VLSs can only
run once in CentricStor. A VLS of the type VAMU or VJUK is only able to serve a single
client. However, CentricStor is able to run up to 10 instances of a library of type VAMU or
20 instances of a library of type VJUK.
The status of a VLS is indicated by the colors pink (stopped), green (running) and green/
brown (running with the trace switched on):
● The following information is displayed for all VLS types:
PID Process ID.
Name Name as it appears on the VLS symbol, which is defined during configu-
ration.
Type Type of VLS: vamu, vacs, vlmf, vdas or vjuk.
Autostart Enabled / disabled.
● The following information is also displayed for VLSs of type VDAS:
Revision Software revision level.
Trace Mask Active trace mask.
Clients Client names and hosts.
Example: VAMU
Example: VDAS