A customer is concerned about the VNX Unified storage performance. The VNX provides storage
services for variety of Windows and UNIX application servers. When monitoring the switches they
notice heavy traffic between the servers and the storage.
The LUN analysis yields the following results:
$ /nas/sbin/naviseccli -h spa getdisk 1_0_4 -rds -wrts -bytrd -bytwrt
Bus 1 Enclosure 0 Disk 4
Read Requests: 478651
Write Requests: 202813

Kbytes Read: 47457840
Kbytes Written: 6449720
What is the I/O size being used to send data to disk?

A.
8 KB

B.
12 KB

C.
16 KB

D.
32 KB