Sergei, could you please file a new bug about this (just in case it's different from the original, which it might well be - it's easier to mark it as a duplicate later than to try to split it up) and attach the 'syslog' and 'partman' installer logs - you can extract them using "Save debug logs" from the installer's main menu.
-- grub-installer fails to install on a raid1 array https://bugs.launchpad.net/bugs/527401 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs