HP Mainframe Connectivity Design Guide

Table 73 (page 114) lists the capacity for different volume types.
Table 73 Volume emulation type specifications
Tracks per cylinder
nl
Number of cylindersVolume capacity (GB)Volume type (bytes per track)
15 (48k)3,3392.3773380-3
15 (48k)8851.263380-E
15 (48k)2,6551.893380-K
15 (48k)1,7700.633380-J
15 (56k)1,1130.9463390-1
15 (56k)2,2261.893390-2
15 (56k)3,3392.8383390-3/3R
15 (56k)10,0718.513390-9
15 (56k)32,76027.83390-L
15 (56k)65,52055.6893390-M
XP mainframe addressing of volumes
Table 74 (page 114) lists the maximum values for XP mainframe configurations.
Table 74 Maximum values for XP mainframe configurations
Per LCUPer FICON portPer system
XP model Logical pathsLogical pathsLPARsLCUsLogical pathsLDEVsLCUs
2,048
65,536
2
1,024
64
2
or 255
3
262,144
1, 2
130,560
1
510
1
XP24000
261,120
3
1,044,480
3
2,048
65,536
2
1,024
64
2
or 255
3
131,072
2
65,280255XP20000
261,120
3
522,240
3
2,04865,5361,024256522,24065,280255
XP12000
XP10000
5121,024323216,3848,19232
XP1024
XP128
1
Maximum for entire XP24000 system, with both LDKCs configured. Each LDKC supports half of the value of these numbers.
2
2105-F20 emulation
3
2107 emulation
The number of logical paths that can be configured on the mainframe per FICON CHPID and
control unit (CU or LCU) varies depending on the CU type being emulated in the XP, as indicated
in Table 75 (page 114). These are mainframe HCD configuration maximums, not XP configuration
maximums.
Table 75 Mainframe FICON logical path configurations
Maximum number of
logical paths per LCU
Maximum number of
logical paths per
FICON CHPID
Maximum number of
LDEVs per LCUCUADD rangeDASD emulation type
256256256x'00' to x'FF'2105
5122,048256x'00' to x'FF'2107
114 XP storage system rules