On Apr 25, 2005, at 3:25 PM, shopdog wrote: > How does RAID 10 work, and how many drives to you need minimum? > The bare minimum would use 4 drives in a RAID 10. 2 drives would be striped for the first array and 2 drives striped for the second array. The second array would be a mirror of the first array. Any drive that fails has a backup copy to recreate the data with no loss. Ralph