Skip to Main Content
IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning
book

IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning

by Cathy Warrick, Craig Gordon, Benoit Granier, Keitaro Imai, Rosemary McCutchen, Brannen Proctor, Jim Sedgwick, Paulus Usong, Mary Ann Vandermark, John Wickes
December 2005
Intermediate to advanced content levelIntermediate to advanced
530 pages
18h 34m
English
IBM Redbooks
Content preview from IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning
134 IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning
the characteristics of data on your DS6000 and without using a capacity planning tool like
Disk Magic. Refer to 4.1, “Disk Magic” on page 86.
We recommend that you monitor the read hit ratio over an extended period of time:
򐂰 If the cache hit ratio has been low historically, it is most likely due to the nature of your
data, and you do not have much control over this. You can first try to perform
de-fragmentation on a file system, making indexes if none exist, rather than considering
increasing the cache size.
򐂰 If you have a high cache hit ratio initially, and it is decreasing as you load more data with
the same characteristics, then moving some data to another cluster that ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

DS8800 Performance Monitoring and Tuning

DS8800 Performance Monitoring and Tuning

Gero Schmidt, Bertrand Dufrasne, Jana Jamsek, Peter Kimmel, Hiroaki Matsuno, Flavio Morais, Lindsay Oxenham, Antonio Rainero, Denis Senin
Windows® 8.1 IN DEPTH

Windows® 8.1 IN DEPTH

Brian Knittel, Paul McFedries
IBM PowerVM Best Practices

IBM PowerVM Best Practices

Adriano de Almeida, Rafael Antonioli, Urban Biel, Sylvain Delabarre, Bartłomiej Grabowski, Kristian Milos, Fray L Rodríguez

Publisher Resources

ISBN: 0738494119Purchase book