> Scenario:
> We have a legacy of LTO cartridges created/written on LTO1 tape drives. 
> (referred to herein as LTO1 media)

Are they in fact LTO1 cartridges?

> The LTO1 tape drives have been replaced with LTO2 drives. 
> 
> Question:
> When the LTO1 media is written to by the LTO2 drives - will it be at the 
> new density or the old density ?

LTO1 media can be used in an LTO2 drive, but only at LTO1 (100/200)
densities. 

You must have both LTO2 drives and LTO2 media to support the higher
(200/400) density.

http://www.exabyte.com/products/tape/mediamatrix.pdf

-- 
Darren Dunham                                           ddunham AT taos DOT com
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
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