For lack of a better name: blog

30Jan/110

File share analysis with DriveSight

As consultants we often get the question to migrate file shares to SharePoint. This blog will describe the functionalities of a free tool to analyze the file share before migrating. This tool, called DriveSight, is an excellent tool for getting a first impression about the file share.

Because you need to pay lots of attention to user experience after migrating to SharePoint (prevent that life gets harder for the users) I will work on a separate blog post about this subject.

First analysis

An excellent tool for the analysis of the file share is DriveSight. Since DriveSight is a free tool from Trilogy Solutions, you can download DriveSight directyle at the website from Trilogy Solutions (http://www.trilogysolutions.com/products-drivesight.html).

After downloading and starting DriveSight it will ask for the location of the network drive.

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After selecting the network drive and selecting analyze now it will produce a report.

1. General results

These are interesting metrics, DriveSight will give you information about the file share and can help you with designing your solution.

Some intesting numbers:

Maximum file size
The default maximium file size for SharePoint 2010 is 50mb so please study the maximum file size part of the results. When clicking the title it will show you the file so you can identify whether it needs to be migrated or not.
The absolute maximum size for documents in SharePoint 2010 is 2gb.

Max Folder Depth
Because SharePoint is webbased there is a character limit for the full url, the limit is 256 character. This is including the hostname, sitename, etc. Aside from the use of metadata it isn't possible to exceed this limit.

2. Results - Relative to SharePoint

This section tells how files are being indexed and uploaded. Example of highly indexable files are office files.
Powerpoint files are partially indexable files since these are primarely image based.
Extensions like .exe, .config, .msi, .vb, etc are blocked by default.

You can use these numbers for search capacity planning, since they will tell you what to expect.

3. Results - By Date Last Modified

It is interesting to know how old the files are that are on the file share, if the majority of the data is older than 3 years maybe some files can be skipped or archived during migration ?

Create report

By clicking the create a report is generated in Word. Not only the earlier mentioned metrics but also a more detailed summary.

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What we’ve learned

The DriveSight analysis learned us a couple of things:

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  • The majority of files are Microsoft Office files, this is a good thing since this is where we want to use SharePoint for.
  • There are 6 files (with a total size of 1.06GB) that need to be migrated to a different (non-SharePoint) location, e.g. central store for setup files.
  • There are 68 video's. Maybe interesting to setup a separate video section within SharePoint

Posted by Alexander Ketelaar

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