Note: I installed gkrellm (a system monitoring tool), and I have been able to verify that both drives are indeed being used. So it must be a GRUB problem.
-- Critical Dapper bug: Cannot boot from seconday RAID1 disk https://launchpad.net/bugs/58894 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
