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This blog will provide technical data and insights into performance and reliability issues surrounding file system performance. We hope to cover all topics related to system performance including defrag whether you are running SANs, NAS, workstations, servers, SSD's or other systems. We will provide interesting anecdotes, white papers, and related story topics on defragmentation and other performance issues. The blog is intended to be personal rather than a formal Diskeeper website. You will read personal viewpoints on our products and where we see the industry and our company going. We are excited to have this opportunity to share our product knowledge and insight, and hope this information helps you. We encourage your comments and look forward to you following this blog.

Auto Defrag and SANs

by Colleen Toumayan 6. August 2009 08:20
Another Cool Success Story: “We have had one version or another of Diskeeper installed on our production SAN for many years. That is what we use for our major production systems.   The Automatic defrag option for drives and disk volumes is by far the greatest feature.  The ‘Set It and Forget It’ is the best way to ensure file fragmentation is always minimal. No manual defrags are ever required and performance levels are constantly maintained at their highest levels due to having all our database files in contiguous drive space. The only time we ever end up with major file fragmentation is during our nightly backups (many hundreds of gigabytes) and Auto defrag takes care of that within a few hours.  We have a multi-node cluster using this SAN and no matter which node is owning the cluster resources, Diskeeper takes care of all shared volumes. Other then the initial install, I spend close to zero time with Diskeeper or worrying about fragmentation. I checked one of our nodes today and ran a manual analysis; there were a total of 3 fragments for 1 file out of 90,000+ on the system. That’s what Auto defrag does for us!” 
Jason Brown, Network Administrator, ServiceU Corporation

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