(In the interest of full disclosure, I wish to make it clear that I work for VERITAS Software.)
I believe that the best way to go for reasonably inexpensive, clustered NAS is with VERITAS' Servpoint NAS product. Essentially you take one or more Solaris boxes (Linux will be available in a couple of months), with Volume Manager, File System and (in your case) VCS, and use it to serve files via NFS and CIFS at the same time. NFS performance with this software is superior to native NFS. It works with most other VERITAS products, including NetBackup. One popular method of deploying ServPoint NAS is with older Sun systems that would otherwise be useless, making this an especially cost-effective solution. And since you can easily add more storage to Solaris boxes, growing is quite easy, too.
I do not want to turn this forum into a commercial for VERITAS (or anyone else's) products, so I will end the discussion at this point. If you would like to discuss it further, please follow up in the --> --> .HcX6azlxeJg^0@.ee83ce2!viewtype=&skip=&expand=>Administrator Central discussion forum.. Thank you.
Evan L. Marcus
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This was first published in April 2002