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CentricStor - Virtual Tape Library Software architecture
Figure 8: Central role of the VLP in a CentricStor configuration
1
VLP (Virtual Library Processor)
The VLP is responsible for the coordination of the entire CentricStor system. Although the
software can be activated on any of the ICP or IDP systems, it is recommended for perfor-
mance reasons that you either provide a separate VLP, or activate the components of the
VLP on one of the IDPs, since the CPU utilization is at its lowest here.
The use of a second VLP (SVLP) is optionally possible.
1
VJUK runs on an ICP.
CentricStor
Open
ADIC
TVC
DAS-ACI
DAS
VLP
PLS
Backup
Systems
AMU/SDLC
VAMU
VDAS
VLS
VACS
ACSLS
StorageTek
ACSLS
PLS
MSP/XSP
LIB/SP
z/OS
HACC
CSC
BS2000
ROBAR
CSC
software
PLP
LMF LITE
Jukebox
Accessor
PLS
PLS
VLMF
VJUK
1
PLM
VLM
CentricStor
console
OS/390
SCSI