On Monday 28 November 2005 12:28, Volker Maibaum wrote:
> Hello,
>
> We have a TSM Server 5.3.2.1 on z/Linux with a 3494 Library and 3592
> Tape drives.
>
> In the 3592 device class I have used the format=DRIVE option (see
> below). How can I find out if the data on the volumes is written with
> drive compression?
> The average capacity of my volumes is 430GB (> native 300GB). Now I'm
> not sure if this is due to client compression or due to drive
> compression.
You are using drive compression .  Otherwise the average capacity would be
300GB/cartridge.  The data is send compressed to TSM so TSM is counting the
compressed data.


Stef