Ask the Expert

Accessing data on NAS

Is it possible to access the same data on NAS with different operating systems or do the operating systems only see their own devices on the NAS?

Requires Free Membership to View

It is possible to share data between different operating systems on a NAS box if the NAS device supports that feature (most do right now). You need to understand your requirements for access controls because that is implemented differently on many NAS products. If you don't have read/only access from the different systems, they you'll be faced with the lock mechanisms implemented in the NAS box.

Unix uses an "advisory level" lock mechanism so that authorized user applications are notified if the data is being modified by someone else. It's an "on your honor" system where the application should not go ahead and write. CIFS uses a hard lock where the data being modified can't be accessed until complete. Who is authorized to have access is also handled differently with most NAS devices requiring administrative work to enter the access control lists for who has access. Again, check each product carefully.

Randy Kerns
Evaluator Group, Inc.

Editor's note: Do you agree with this expert's response? If you have more to share, post it in one of our .bphAaR2qhqA^0@/searchstorage>discussion forums.

This was first published in April 2002

There are Comments. Add yours.

TIP: Want to include a code block in your comment? Use <pre> or <code> tags around the desired text. Ex: <code>insert code</code>

REGISTER or login:

Forgot Password?
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy
Sort by: OldestNewest

Forgot Password?

No problem! Submit your e-mail address below. We'll send you an email containing your password.

Your password has been sent to: