[ubuntu] Request help with message at boot

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http://ubuntuforums.org – All, I have a system with three hard drives installed, all formatted to ext4. One is the main system disc, the others are used for backup and data storage. On booting the machine I see a message that reads: "The disk drive for /mnt/media is not ready yet or not present. Continue to wait or press S for skip, M for manual recovery" If I press S (skip) the machine boots OK and all discs become accessible from the home folder side menu. Checking in gparted information shows the all the discs as being mounted - one in /media/New Volume and one in /media/04d72ae4-3bb2-43d4-8011-c0f (Hardware)