Question

  Asked: May 14 2008   3:20 AM GMT
  Asked by: SQL Server Ask the Experts


Will defragmenting hard disks improve SQL Server performance?


SQL Server performance tuning, Disk drives, Defragment

Does it help to defragment the local hard disks on SQL Server to improve performance? I just started a new position and the drives on the servers are very fragmented. Could defragmenting them help boost some performance? Thanks.

Subscribe to Alerts! Get questions and answers delivered to your Inbox.


E-mail me updates on this question



   SUBSCRIBE

hidden modal window

Answer Wiki (Improve, edit or add to this answer)


 RATE THIS ANSWER
0
Click to Vote:
  •   0
  •  0



Yes it can, however the benefit will probably be minimal. It will be a great amount of help for a data warehouse, but for OLTP applications the data will be so fragmented throughout the file, that defragmenting the file on the drive will only provide a minimal amount of assistance.

More is gained by making sure that the database file doesn't get fragmented in the first place.

Mr. Denny is quite correct, but the real point is that tuning databases is almost a career in itself. Just doing a search on www.amazon.com searching for "sql server tuning" brought up many matches. Sorry I can't provide any real help - other than to point out that database performance tuning is not an exercise for the faint of heart or inexperienced.

Bob
  • AddThis Social Bookmark Button

Browse more Questions and Answers on SQL Server, Storage and Microsoft Windows.

Looking for relevant SQL Server Whitepapers? Visit the SearchSQLServer.com Research Library.


Discuss This Answer


You must be logged-in to discuss a question. Log-in/Register

Mrdenny  |   May 14 2008  7:42AM GMT

Check out my SQL Server blog “SQL Server with Mr Denny” for more SQL Server information.