Compaq 9900 - Manual (Page 70)

56 Chapter 4 Configuring and Using the 9900 Subsystem
Figure 4.2 shows a sample IOCP hardware definition for a 9900 configured with:
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3990 ID.
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Two (2) LPARs called PROD and TEST sharing 4 ExSA™ (ESCON ® ) channels connected via 2
ESCDs to the 9980.
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Each switch has ports C0 and C1 attached to the 9980.
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Four (4) LCUs with 256 LVIs per control unit.
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Two (2) cu statements per logical control unit.
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To protect data integrity due to multiple operating systems sharing these volumes, these
devices require FEATURE=SHARED.
CHPID PATH=(B0,B1),TYPE=CNC,PARTITION=(PROD,TEST,SHR),SWITCH=01
CHPID PATH=(B2,B3),TYPE=CNC,PARTITION=(PROD,TEST,SHR),SWITCH=02
CNTLUNIT CUNUMBR=A000,PATH=(B0,B1),UNITADD=((00,256)),LINK=(C0,C1),CUADD=0,UNIT=3990
CNTLUNIT CUNUMBR=A001,PATH=(B2,B3),UNITADD=((00,256)),LINK=(C0,C1),CUADD=0,UNIT=3990
CNTLUNIT CUNUMBR=A100,PATH=(B0,B1),UNITADD=((00,256)),LINK=(C0,C1),CUADD=1,UNIT=3990
CNTLUNIT CUNUMBR=A101,PATH=(B2,B3),UNITADD=((00,256)),LINK=(C0,C1),CUADD=1,UNIT=3990
CNTLUNIT CUNUMBR=A200,PATH=(B0,B1),UNITADD=((00,256)),LINK=(C0,C1),CUADD=2,UNIT=3990
CNTLUNIT CUNUMBR=A201,PATH=(B2,B3),UNITADD=((00,256)),LINK=(C0,C1),CUADD=2,UNIT=3990
CNTLUNIT CUNUMBR=A300,PATH=(B0,B1),UNITADD=((00,256)),LINK=(C0,C1),CUADD=3,UNIT=3990
CNTLUNIT CUNUMBR=A301,PATH=(B2,B3),UNITADD=((00,256)),LINK=(C0,C1),CUADD=3,UNIT=3990
IODEVICE ADDRESS=(A000,256),CUNUMBR=(A000,A001),UNIT=3390,FEATURE=SHARED
IODEVICE ADDRESS=(A100,256),CUNUMBR=(A100,A101),UNIT=3390,FEATURE=SHARED
IODEVICE ADDRESS=(A200,256),CUNUMBR=(A200,A201),UNIT=3390,FEATURE=SHARED
IODEVICE ADDRESS=(A300,256),CUNUMBR=(A300,A301),UNIT=3390,FEATURE=SHARED
Note: 4096 device addressing requires 16 CU images using CUADD=0 through CUADD=F in the CNTLUNIT statement.
Figure 4.2 IOCP Definition for 1024 LVIs (9900 connected to host CPU(s) via ESCD)