Chapter 10. Performance considerations for Microsoft Windows servers 405
rpm drives in the Enterprise tier. This plan frees the 15K rpm drives from the large block
sequential workload so that the 15K rpm drives provide lower response times. The ratio is
about two thirds for the 15K rpm drives.
Electronic mail applications have a database part for indexing data for rapid random
access and the data is stored for later access. This application can benefit from SSDs, but
the amount of SSDs must not be more than 2% - 5% due to the high write ratio, which can
be up to 50% - 60%. You can benefit from the micro-tiering option with 15K and 10K
Enterprise drives. Mail servers can have many large block sequential writes and 10K
drives work well. Plan ...