[ubuntu] mdadm adding a disk to a root RAID5 issues

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http://ubuntuforums.org – Hi All, I am going to be building a NAS/Mini server box soon using Ubuntu Server. In the meantime I have been practicing the raid setup on virtual-box machines. I am using 20GB drives to test it. The issue is that I have 6x 2TB drives. However, on the initial setup, I will only be able to use 4 Drives and then add the extra 2 drives later. I have decided to go with RAID5. Building the 4 drive setup on the virtual box is no problem. Machine boots up and works without issue. I am setting the raid up during the installation. Giving last 4gb on raid as swap and rest as root. I am g (Hardware)