Out of the striping options available for the EBS volumes, which one has the following
disadvantage:
‘Doubles the amount of I/O required from the instance to EBS compared to RAID 0, because
you’re mirroring all writes to a pair of volumes, limiting how much you can stripe.’ ?
A.
Raid 1
B.
Raid 0
C.
RAID 1+0 (RAID 10)
D.
Raid 2
Explanation:
RAID 1+0 (RAID 10) doubles the amount of I/O required from the instance to EBS compared to
RAID 0, because you’re mirroring all writes to a pair of volumes, limiting how much you can
stripe. http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/raid-config.html