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130 U41117-J-Z125-7-76
Main window GXCC
A check is made to see whether, in the case of redundant Fibre Channel systems, the
connections go from every ISP to various switches and whether the FC adapter with the
lowest number goes to the switch with the lowest number (throughput optimization).
Host connections
In the overview screen, the connections to the hosts (ESCON/FICON or Fibre Channel) are
depicted as short lines emerging from the inner frame:
black ESCON connection
orange FICON connection
dark green FC connection
If there are more than 8 connections, only one intersected line is shown; in addition, the
number of connections is specified.
The example below shows an IDP with 16 ESCON connections:
For Fibre Channel connections, the number of the controller is also displayed.
RAID systems
● RAID symbol without RAID mirroring
The RAID systems are represented together as one RAID system in the left-hand half
of the screen (in the center of the screen with VTA 1000):
On the right-hand side of the symbol there is a row of boxes which represent the RAID
systems (=cache file systems) and their FC ports.