so with fresh and clean disks it works - even if using the not recommended way to use echo for setting the disks online (rather than the recommended way of using chzdev):
# during installation in d-i 0.0.0200 (configured) 0.0.0301 (configured) # minidisk 1st part or dasd 2605 mod09 0.0.0302 # minidisk 2nd part or dasd 2605 mod09 0.0.0303 # minidisk 2nd part or dasd 2605 mod09 # only the 1st part configured and used during installation, just to verify that it works in general ... # rough sample disk layout DASD 0.0.0200 (ECKD) - 7.4 GB IBM S390 DASD drive > #1 400.0 MB f ext2 /boot > #2 6.5 GB f ext4 / > #3 484.4 MB f swap swap > 49.2 kB unusable DASD 0.0.0301 (ECKD) - 2.5 GB IBM S390 DASD drive > #1 2.5 GB f ext4 /test301 - # after installation ubuntu@hwe0009:~$ lsdasd Bus-ID Status Name Device Type BlkSz Size Blocks ============================================================================== 0.0.0200 active dasda 94:0 ECKD 4096 7042MB 1802880 0.0.0301 active dasdb 94:4 ECKD 4096 2340MB 599040 ubuntu@hwe0009:~$ - # other minidisks visible ... ubuntu@hwe0009:~$ ls -la /sys/bus/ccw/devices/0.0.03* lrwxrwxrwx 1 root root 0 Nov 22 13:33 /sys/bus/ccw/devices/0.0.0301 -> ../../../devices/css0/0.0.0002/0.0.0301 lrwxrwxrwx 1 root root 0 Nov 22 13:33 /sys/bus/ccw/devices/0.0.0302 -> ../../../devices/css0/0.0.0003/0.0.0302 lrwxrwxrwx 1 root root 0 Nov 22 13:33 /sys/bus/ccw/devices/0.0.0303 -> ../../../devices/css0/0.0.0004/0.0.0303 - # setting 2nd part aka minidis online ubuntu@hwe0009:~$ cat /sys/bus/ccw/devices/0.0.0302/online 0 - # trial using echo to set device online (even if chzdev is recommended) root@hwe0009:~# echo 1 > /sys/bus/ccw/devices/0.0.0302/online root@hwe0009:~# cat /sys/bus/ccw/devices/0.0.0302/online 1 - # fully enabled disk in Linux using chzdev root@hwe0009:~# chzdev dasd 0.0.0302 -e ECKD DASD 0.0.0302 configured - # format works w/o any issues root@hwe0009:~# dasdfmt -b 4096 -d cdl -f /dev/disk/by-path/ccw-0.0.0302 -y Finished formatting the device. Rereading the partition table... ok root@hwe0009:~# - # disk is there root@hwe0009:~# lsdasd Bus-ID Status Name Device Type BlkSz Size Blocks ============================================================================== 0.0.0200 active dasda 94:0 ECKD 4096 7042MB 1802880 0.0.0301 active dasdb 94:4 ECKD 4096 2340MB 599040 0.0.0302 active dasdc 94:8 ECKD 4096 2340MB 599040 root@hwe0009:~# So this is a '+1' for Dimitris investigations that your issue is probably caused by the LVM config ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1643527 Title: dasdfmt fails after vary online. syslog show strange message "The disk layout of the DASD is not supported" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1643527/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
