Importance of disk offset

SAN Guy at CLARiiON BLOGS has a good article that explains disk alignment. A very important subject regarding performance, this issue has recently come up at my data center: a EHR application is experiencing performance issues due to fragmentation (of course), and improper disk alignment on the LUN. Our DBA just ran a SQL 2005 best practices on the database that resides on this particular LUN, and it spit out the recomendation of a 64k offset. SAN Guy taught me a few things on this important subject.

Advertisements

About sedulus
Initiate.

Comments are closed.

%d bloggers like this: