rendered paste body
Raid 1+0
|| \ / ||
|| / \ ||
Scenario 1
Mirror Member 1 , Cylinder 1 Fails ..
Mirror Member 1 , Cylinder 2 Fails ..
Status OK
Scenario 2
Mirror Member 2 , Cylinder 1 Fails ..
Mirror Member 2 , Cylinder 2 Fails ..
Status OK
Scenario 3
Mirror Member 1 , Cylinder 1 Fails ..
Mirror Member 2 , Cylinder 2 Fails ..
Status OK
Scenario 4
Mirror Member 1 , Cylinder 1 Fails ..
Mirror Member 2 , Cylinder 1 Fails ..
Status BAD
Scenario 5
Mirror Member 1 , Cylinder 2 Fails ..
Mirror Member 2 , Cylinder 2 Fails ..
Status BAD
Raid 0+1
|x| || |x|
|x| || |x|
Scenario 1
Stripe Member 1 , Cylinder 1 Fails ..
Stripe Member 1 , Cylinder 2 Fails ..
Status BAD
Scenario 2
Stripe Member 2 , Cylinder 1 Fails ..
Stripe Member 2 , Cylinder 2 Fails ..
Status BAD
Scenario 3
Stripe Member 1 , Cylinder 1 Fails ..
Stripe Member 2 , Cylinder 2 Fails ..
Status BAD ... (may recover by swapping the drives)
Scenario 4
Stripe Member 1 , Cylinder 1 Fails ..
Stripe Member 2 , Cylinder 1 Fails ..
Status OK
Scenario 5
Stripe Member 1 , Cylinder 2 Fails ..
Stripe Member 2 , Cylinder 2 Fails ..
Status OK
Score: RAID 1+0 = 3
RAID 0+1 = 2.5
Raid 1+0 win's by a few coat's of Paint ;-)