Public bug reported:

== Comment: #0 - Michael Roesch <[email protected]> - 2016-01-15 06:46:01 ==
---Problem Description---
When using the "Guided" installation methods, the installer fails to format a 
DASD correctly. Those error messages are shown when using the respective 
methods:

- Guided - use entire disk

Error:
Failed to create a swap space                        ?                          
 
The creation of swap space in partition #5 of DASD 0.0.e285 (ECKD) failed.

- Guided - use entire disk and set up LVM

Error: 
Unexpected error while creating volume group                         ?          
        
Autopartitioning using LVM failed because an error occurred while creating the 
volume group.

Check /var/log/syslog or see virtual console 4 for the details.

- Guided - use entire disk and set up encrypted LVM

Failed to create a file system                         ?                        
  
The ext2 file system creation in partition #1 of DASD 0.0.e285 (ECKD) failed.

For whatever reason, the method "Guided - use the largest continuous
free space" does format the DASD correctly.

I have attached syslogs for the failing 3 Guided installation methods
and an output of "/proc/partitions" for each test inside the syslog
files.

There seems to be a related bug for this but I'm not 100 sure it is the same 
problem: https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1527328
 
Contact Information = [email protected] 
 
Machine Type = zVM 
 
---boot type---
VM Reader
  
---Install repository type---
Local repository
 
---Install repository Location---
servant.boeblingen.de.ibm.com
 
---Point of failure---
Other failure during installation (stage 1)

== Comment: #3 - Viktor Mihajlovski <[email protected]> - 2016-01-15 07:16:37 
==
Looking at the logs, it seems that for some reason, the DASD is handled as if 
it was a SCSI disk (e.g. there's an attempt to create a partition #5). I 
haven't used guided so far, so maybe there's some wrong logic in there which 
results in writing an MBR to the first track of the DASD. This can also explain 
the I/O errors in the log.

** Affects: ubuntu
     Importance: Undecided
     Assignee: Taco Screen team (taco-screen-team)
         Status: New


** Tags: architecture-s39064 bugnameltc-135429 severity-medium 
targetmilestone-inin---

** Tags added: architecture-s39064 bugnameltc-135429 severity-medium
targetmilestone-inin---

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https://bugs.launchpad.net/bugs/1534629

Title:
  Installer fails to format DASD during installation using Guided Setup
  methods

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