Hcd Definition For 256 Lvis - HP XP20000/XP24000 Operation Manual

Parameter
Number of devices
Device type
Connected to CUs
Table 11 HCD definition for 256 LVIs
Parameter
Control Frame:
Control unit number
Control unit type
Channel path IDs
Unit address
Number of units
Array Frame:
Device number
Number of devices
Device type
Connected to CUs
* The NOCHECK function was introduced by APAR OY62560. Defining the storage system as a
single control unit allows all channel paths to access all DASD devices.
2105 Controller Emulation: To define a storage system CU image and the base and alias address
range that it will support, use the following example for HCD.
The following HCD steps correspond to the 2105 IOCP definition shown in the previous example.
IMPORTANT:
The HCD PAV definitions must match the configurations in the storage system. If not, error messages
are issued when the Hosts are IPL'd or the devices are varied online.
64
3390
Specify the control unit number(s).
Specify the control unit number.
NOCHECK* Use UIM 3990 for more than 128 logical
paths. Use UIM 3990-6 for 128 or fewer logical paths.
Specify ExSA or FICON
00 (ExSA or FICON)
256
Specify the first device number.
256
3390
Specify the control unit number(s).
XP Disk Array Mainframe Host Attachment and Operations Guide
Value
Value
33