We are running z/VM 5.3 with Red Hat Linux 5. We have created a new guest and 
defined in the user directory some mini disks as follows:

 

USER LIN0003 KKKKKK 2G 2G G

 INCLUDE LNXDFLT

 OPTION APPLMON

 MDISK 100 3390 0001 3338 VM7DBF MR

 MDISK 691 3390 0001 200 VM7DC0 MR

 MDISK 692 3390 0251 3038 VM7DC0 MR

 MDISK 693 3390 3289 3338 VM7DC0 MR

 MDISK 694 3390 6627 3389 VM7DC0 MR

 

 

 When we logon to the linux guest and issue #CP Q V DASD we get the following 
output and everything looks good.

 

CP Q V DASD

DASD 0100 3390 VM7DBF R/W       3338 CYL ON DASD  7DBF SUBCHANNEL = 0000

DASD 0101 9336 (VDSK) R/W     524288 BLK ON DASD  VDSK SUBCHANNEL = 0011

DASD 0102 9336 (VDSK) R/W    1048576 BLK ON DASD  VDSK SUBCHANNEL = 0012

DASD 0190 3390 VR7DC4 R/O        107 CYL ON DASD  7DC4 SUBCHANNEL = 000C

DASD 0191 3390 VM7DA5 R/O        300 CYL ON DASD  7DA5 SUBCHANNEL = 000F

DASD 019D 3390 VR7DC4 R/O        146 CYL ON DASD  7DC4 SUBCHANNEL = 000D

DASD 019E 3390 VR7DC4 R/O        250 CYL ON DASD  7DC4 SUBCHANNEL = 000E

DASD 0592 3390 VR7DC4 R/O         70 CYL ON DASD  7DC4 SUBCHANNEL = 0010

DASD 0691 3390 VM7DC0 R/W        200 CYL ON DASD  7DC0 SUBCHANNEL = 0001

DASD 0692 3390 VM7DC0 R/W       3038 CYL ON DASD  7DC0 SUBCHANNEL = 0002

DASD 0693 3390 VM7DC0 R/W       3338 CYL ON DASD  7DC0 SUBCHANNEL = 0003

DASD 0694 3390 VM7DC0 R/W       3389 CYL ON DASD  7DC0 SUBCHANNEL = 0004

 

 

When we logon to the linux guest and issue the fdisk -l command we only see one 
mini disk and two virtual disks as follows:

 

fdisk -l

Note: sector size is 4096 (not 512)

 

Disk /dev/dasda: 2461 MB, 2461040640 bytes

15 heads, 12 sectors/track, 3338 cylinders

Units = cylinders of 180 * 4096 = 737280 bytes

 

Disk /dev/dasda doesn't contain a valid partition table

 

Disk /dev/dasdb: 268 MB, 268435456 bytes

16 heads, 128 sectors/track, 256 cylinders

Units = cylinders of 2048 * 512 = 1048576 bytes

 

Disk /dev/dasdb doesn't contain a valid partition table

 

Disk /dev/dasdc: 536 MB, 536870912 bytes

16 heads, 128 sectors/track, 512 cylinders

Units = cylinders of 2048 * 512 = 1048576 bytes

 

Disk /dev/dasdc doesn't contain a valid partition table

 

 

Why are we not able to see mini-disk 0691-0694 when we issue the fdisk -l 
command?

 Is there some definition in Red Hat Linux 5 we need to make? Thanks in advance 
for any help. 

 

David T. Juárez 
IT Specialist 

 

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