Stephen,
as the current maintainer of zipl I'm trying to understand the reasoning
behind your enhancement requests. The way I understand it you want to be
able to use zipl on a CMS formatted disk to enable it for IPL. zipl does
support CMS formatted disks (although not with the DIAG access method) and
it seemed to work during a quick test (see below). Could you provide a
transcript of the commands you entered and the system responses you got to
further illustrate the problem that you are encountering when trying to
use zipl on/ipl from a CMS formatted minidisk?
Transcript of successful boot from CMS minidisk (kernel 2.6.25, s390-tools
version 1.6.0, z/VM 5.2.0):
On CMS:
=======
def t3390 7000 100
00: DASD 7000 DEFINED
format 7000 z ( blksize 4096
DMSFOR603R FORMAT will erase all files on disk Z(7000). Do you wish to
continue?
Enter 1 (YES) or 0 (NO).
1
DMSFOR605R Enter disk label:
test
DMSFOR733I Formatting disk Z
DMSFOR732I 100 cylinders formatted on Z(7000)
On Linux:
=========
[EMAIL PROTECTED] ~]# chccwdev -e 7000
Setting device 0.0.7000 online
Done
[EMAIL PROTECTED] ~]# dmesg | tail -n 3
dasd(eckd): 0.0.7000: 3390/0A(CU:3990/01) Cyl:100 Head:15 Sec:224
dasd(eckd): 0.0.7000: (4kB blks): 72000kB at 48kB/trk linux disk layout
dasdg:CMS1/ TEST : dasdg1
[EMAIL PROTECTED] ~]# mkfs.ext2 -q /dev/dasdg1
[EMAIL PROTECTED] ~]# mount /dev/dasdg1 /mnt
[EMAIL PROTECTED] ~]# cp /boot/image /mnt
[EMAIL PROTECTED] ~]# cp /boot/parmfile /mnt
[EMAIL PROTECTED] ~]# zipl -V -i /mnt/image -p /mnt/parmfile -t /mnt
Target device information
Device..........................: 5e:18
Partition.......................: 5e:19
Device name.....................: dasdg
Device driver name..............: dasd
DASD device number..............: 7000
Type............................: disk partition
Disk layout.....................: ECKD/linux disk layout
Geometry - heads................: 15
Geometry - sectors..............: 12
Geometry - cylinders............: 100
Geometry - start................: 3
File system block size..........: 4096
Physical block size.............: 4096
Device size in physical blocks..: 17997
Building bootmap in '/mnt'
Adding IPL section
kernel image......: /mnt/image
kernel parmline...: 'dasd=4d64-4d67,4f29,4f2a root=/dev/dasdc1 ro
noinitrd selinux=0 '
component address:
kernel image....: 0x00010000-0x00673fff
parmline........: 0x00001000-0x00001fff
internal loader.: 0x0000a000-0x0000afff
Preparing boot device: dasdg (7000).
Syncing disks...
Done.
On CMS:
=======
00: IPL 7000
00: Booting default...
Linux version ...
Regards,
Peter
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