We've been researching replacing our LTO2 tape library with LTO4, and the 
information we've gathered is:
LTO drives are read/write compatible with the previous generation of tapes & 
just read compatible with the 2nd previous generation of tapes.  So...

LTO4 drives can:
read/write to LTO3 tapes
Read only to LTO2 tapes
Cannot work with LTO1 tapes


Scott

-----Original Message-----
From: mqcarp [mailto:[email protected]] 
Sent: Wednesday, August 26, 2009 8:34 AM
To: NT System Admin Issues
Subject: OT: LTO4 Back Up Processes

Our LTO3 library just hit the skids so before I look at replacing it I
am looking around to make sure this is still best practice. Other than
those that do back up to disk and archive to tape processes, is LTO4
libraries best practice, and are they backward compatible to LTO3 and
LTO2 tapes (I will double check this elsewhere also, just wanted to
throw it out and get experienced feedback).

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