Bob Dorr talks about drive sectors, new standards, and implications on SQL Server. Somehow this seems to me to be a conspiracy to sell SQL bundled with appliance hardware that is already configured for SQL. I can see why there is a move to a SQL operating system and dedicated appliances rather than dealing with all the intricacies of the o/s and 3rd-party hardware, firmware updates, drive arrays and configuration, memory settings, disk alignment, partitioning, raid configurations, etc.
The implications of incorrect drive sector settings? Risk of losing data, slow performance and not being able to restore databases to upgraded hardware.
In a lengthy discussion this past week I was reminded that Jan 2011 is when the hard drive manufactures agreed to focus on drives with sector sizes of 4K. I have read all the latest materials about this over the past week and you can too. Just search for 512e or Advanced Format Sector sizes and you will find the same articles I read. I concentrated on articles by Seagate, Western Digital and other manufactures.
Why am I talking about this on a SQL Server blog? - The change has impact to your SQL Servers. There are two areas you need to be aware of. PERFORMANCE and DATA INTEGRITY