This is a multipath issue. The box has two cards with redundant paths to each disk.
Multipath is meant to create /dev/mapper/mpath* devices, and the installer should use them instead of the underlying /dev/sd* devices. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1371634 Title: block devices appear twice To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1371634/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs