Public bug reported: see bug #880766 from 2011. it is impossible to install ubuntu onto software raid. amazing...
ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: ubiquity 2.21.63.3 ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11 Uname: Linux 4.8.0-36-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 CasperVersion: 1.376.2 Date: Tue Jun 6 10:57:18 2017 InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-gnome.seed boot=casper quiet splash --- LiveMediaBuild: Ubuntu-GNOME 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: grub-installer UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: ubiquity (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug ubiquity-2.21.63.3 ubuntu-gnome xenial ** Package changed: grub-installer (Ubuntu) => ubiquity (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1696195 Title: ubiquity won't install mdadm when installing on software raid target To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1696195/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs