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Check out Greg's answers to these file virtualization questions or download them as an MP3 file and take them with you on the go.



BROWSE SUBCATEGORIES:	File virtualization podcast , File virtualization basics (4), File virtualization implementation (3), File virtualization limitations (3)


File virtualization basics: 1 - 3 of 4

What is file virtualization and how does it differ from block or storage virtualization or from global and clustered namespace or file systems?
There's a lot of confusion around file virtualization, and virtualization in general, because...

Who should be using file virtualization, and who should be looking at it for the future and for what types of applications or environments?
Again, the problem with file virtualization is very similar to those found in block environments...

Where does the confusion between file virtualization and file area networks (FANs) come from?
There has been some confusion -- FAN has added yet another acronym for storage professionals to contend with.

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File virtualization implementation: 1 - 3 of 3

How do NAS appliances and NAS heads play into file virtualization?
We have to be concerned with the definition of file virtualization. On one hand, we define it as a technology that...

How is file virtualization typically accomplished? What are the elements involved?
File virtualization actually involves a variety of services, including mirroring, replication, snapshots, point-in-time (PIT) copies, file system aggregation, data movement, archiving, HSM stubbing (sometimes called ILM)...

What are the pros and cons to file virtualization appliances? Which do you think is better and why?
All types of virtualization need to be transparent to the applications that are using services, transparent to the storage systems themselves and also transparent to management -- the last thing you want to do is...


File virtualization limitations: 1 - 3 of 3

Are there any practical limits to file virtualization or caveats to be aware of?
Scalability is a huge issue to consider. There are many ways to view scalability. For example, you might increase the number of storage systems or NAS filers in the environment...

Are there any problems or issues involved in 'backing out' of file virtualization? If so, what steps can users take to minimize their headaches?
Removing virtualization can be highly disruptive to file servers and NAS platforms, but it really depends on what you're using virtualization for...

How do HSM and ILM differ from file virtualization and data movement?
Find out if file virtualization includes HSM capabilities and if file virtualization encompasses ILM.

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