We've been using AIT-2 drives in a Qualstar library for sometime, and have had 
good success.
Granted, there are many other issues revolving around this, such as the OS (Win 
2K), and the
software (NetWorker) which have all contributed to my decision to purchase 
stock in Advil :-).

Anyway, I'm working on moving up to AIT-3 at the moment...

However, soon, and I don't know when, Sony will be releasing the S-AIT drives.  
This is a
move from the 8mm format to a 1/2" format in a full height drive.  The upside 
is 500 GB of
storage on a tape native (compressed it's 1.2 TB).  The transfer rate is 30 
MB/sec.

The following web site, http://www.aittape.com/, is a good resource for info on 
AIT, and has
some info on the S-AIT product, but unfortunately no release info.

We're considering this when it's available, but if like me, your timeline is 
requiring something
now, you're probably need to use AIT-3, DLT, LTO, etc...

-sean

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