Managing BS2000 devices Managing devices
168 U41855-J-Z125-3-76
9.1.2 Device management on Server Unit /390
On the SU /390, all the devices which are used must be generated in the IORSF. One or
more IORSF files are stored in the SVP. One IORSF file is used for the IPL. This is the
"current" IORSF file.
KVP devices, LAN devices, and emulated tape devices of the SU /390 are emulated on the
MU. In addition, up to two disks of the type EMDISK are emulated for the emergency
system of the SU /390 on the MU. ZASLAN devices of the SU /390 are emulated on the
HNC. However, the relevant devices must always also be generated in the current IORSF.
In the device overviews, the Unit and Unit type columns indicate the unit on which the device
is emulated.
Apart from the devices which are emulated on the MU or HNC, further devices, namely
disks and real tape devices, exist in BS2000.
For devices which are emulated on the MU, the Host Connector is always 00. For devices
which are emulated on the HNC, the Host Connector is 00 or 01.
Channel 00 is a FICON channel. FC-SCSI channels have a CHPID Ï 02.
There are no device licenses. LUNs 0000 through FFFF can be used without restriction for
configuring devices irrespective of the type.
Information on the generated BS2000 devices of the SU /390 is displayed when the data of
the current IORSF file is available.
9.1.2.1 Predefined BS2000 devices
The following BS2000 devices are predefined for the SU /390:
Type MN HC LUN Details
EMDISK CCF0_CCF1 00 F0_F1 2 emulated disks (e.g. for BS2000 emergency
system)
KVP C2_C3 00 C3_C4 Name: HV0
LOCLAN CC80_CC81 00 80_81 Name: MANLO1
IP address: 192.168.138.21
Address space: 192.168.138.xx
CDROM T0 00 60 Real CD-ROM drive
EMFILE T1 00 61 emfile0061
Table 4: Predefined BS2000 devices on SU /390 (MU) (part 1 of 2)
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