Hello list,
I have a dumb question regarding logical volumes written to IBM's VTS, is 
the data compressed or not?

IBM recently announced next generation of VTS:TS7700, from its production 
description, only usable capacity(raw disk capactiy - meta data 
overhead).When it is talking about backend tape drives, it only mentions 
that TS1120 or 3592 can compress data at a ratio of about 3:1.

That raises my confustion: is data written to VTS cache compressed or not?

Thanks in advance.

Regards
Victor

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