misalignment

http://www.sysadmintutorials.com/tutorials/netapp/netapp-how-to-use-mbralign-to-correct-misalignment/

https://communities.netapp.com/community/netapp-blogs/getvirtical/blog/2011/05/13/new-vmdk-misalignment-detection-tools-in-data-ontap-735-and-802

https://library.netapp.com/ecmdocs/ECMP1196784/html/GUID-4328ED24-9E47-41E0-A062-BF25807CD57E.html

http://media.netapp.com/documents/tr-3747.pdf