One component that can lead to bad performance of a storage system is misalignment. I’ve just finished writing this tutorial on how to use Netapp’s Virtual Storage Console and mbrscan to identify misaligned Virtual Machines, followed by how to use mbralign to correct the alignment of Windows and Linux Servers.
https://sysadmintutorials.com/tutorials/netapp/netapp-how-to-use-mbralign-to-correct-misalignment/