VMware – Recommendations For Aligning VMFS Partitions

Posted on October 30, 2008 by Edward Pellon

[This article is sponsored by Peningo Systems, Inc., a provider of SAP Consulting Services on a nationwide basis. For more information on Peningo Systems, please go to the Peningo VMware Consultants page ]

VMware has released a White Paper titled “Recommendations For Aligning VMFS Partitions”. The White Paper provides decision makers the information on partition alignment, a known issue in physical file systems, and its remedy. The goal of the testing reported in this paper was to validate the assumption that unaligned partitions also impose a penalty when the partition is a VMware Virtual Machine File System (VMware VMFS) partition.

This paper lists a summary of the results of our testing, recommendations for VMware VMFS partition alignment, and the steps needed to create aligned VMware VMFS partitions. It covers the following topics:

• Executive Summary on page 1

• Recommendations on page 2

• Instructions for VMware VMFS Partition Alignment Using fdisk on page 2

• Instructions for Guest File System Alignment on page 3

• Caveats on page 5

• Background on page 5

• Performance Results on page 8

• Conclusion on page 10

• References on page 10

If you wish to view this white paper, please click the link below:

http://www.vmware.com/pdf/esx3_partition_align.pdf

If you are an “End Client” looking for a VMware Consulting Service provider to support your Applications, Peningo Systems provides Consultants with expertise in many areas including:

To see Peningo Systems areas of expertise, please go to the Peningo Technical Areas page.

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About Edward Pellon

About Peningo Systems ( www.peningo.com ) Peningo Systems and it founders have been involved in IT Consulting for over 30 years. Our goal is to support the individual IT Consultant by providing an avenue for them to be in contact directly to the end client. By doing this we reduce the many layers and tiers of organizations that are involved with placement of an IT Consultant. By reducing these layers and tiers, cost can be significantly reduced to the end client, while still providing the room for the Consultant to increase their revenues. Peningo is a for profit organization. We have decided to earn our “keep” by advocating, establishing and supporting a “market place” where the IT consultant and the “end client” may function without the interference of tiers of “prestigious” companies that bring to the consulting assignment excessive Markups and very little else. At Peningo we feel that the IT Consultant should be paid adequate rates commensurate with their skills and the personal sacrifice inherent in the life of an IT consultant. These allows us to field capable, motivated consultants that will contribute successfully to the “end client’s” systems development and implementation, while attracting to the IT industry new talent that otherwise would go to more lucrative pursuits. With the elimination of the “prestigious ones” there will be costs savings that will allow for the consultant to be paid a higher rate and for the client to reduce its costs. Both objectives represents Peningo’s Mission.
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