Many low-end raid cards now offer Online Capacity Expansion (OCE) and Online Raid Level Migration (ORLM). This explains both.
Can I do OCE or ORLM on my Windows 7 software RAID to add disks and/or create more space on the logical drive?
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No you'll have to backup the array, break it, and then add the disk to the array. You can only extend simple and spanned dynamic volumes. http://serverfault.com/questions/18361/expand-windows-server-2008-raid-5-array | |||
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