The customer’s application server sends a write to the Centera access node. What follows after
that? Sequence the steps:
1) First storage node sends ACK to access node
2) Storage node mirrors data to storage node on another power rail
3) Performance index is updated
4) Access node sends blob to storage node
5) ACK sent from second storage node to first storage node

A.
2,3,1,5,4

B.
3,4,2,5,1

C.
4,2,3,5,1

D.
5,1,4,2,3