------- Comment From [email protected] 2017-01-12 07:23 EDT-------
Unfortunately, the term dasd is overloaded as it describes a) a disk device 
type in terms of access method (more comparable with SCSI or IDE) and b) the 
format of the disk in a misleading manner (instead of dasd it should rather be 
called eckd).
This becomes quite obvious by looking at KVM: here the device typein the guest 
is virtio_blk, whereas the data format is determined by the device type in the 
host, which can be an ECKD DASD. BIODASDINFO won't work in this case because it 
needs the dasd driver.
The way I'd suggest to attack this would be in partman-base rather than in 
partman-partitioning, because the former package determines the label type to 
be written. I.e. one could check whether the disk is of type dasd_fba and in 
this case not request a dasd label.
Alternatively, one could consider changing parted, but this might be more 
complex/error prone.

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https://bugs.launchpad.net/bugs/1650300

Title:
  ubuntu-installer/partman does not properly detect partitions on FBA
  device

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