On Tue, Aug 16, 2011 at 3:49 PM, bingo
<networker-forum AT backupcentral DOT com> wrote:
> In fact i don't even know whether an LTO4 tape can be written by a LTO3 drive 
> at all. But assuming that it is possible, you might then run into another 
> problem if you insert it back into a LTO4 drive. This will now verify a tape 
> written with lower density and due to firmware, it will use the density found 
> which means that you will never again be able to change to the max (LTO4) 
> density unless you erase the label with an unconditional overwrite like 
> tapeexercise.


Surely there are firmware restrictions on what a drive will/will not
attempt to do newer generation media that it does not support?  Isn't
that partly what that little 16K chip inside the cartridge for?

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