Hello all TSMers

Present setup as follows :-

TSM 4.2.2.12 running on Solaris 2.7, attached to one IBM 3494 Tape Library.
The library contains two 3590 B1A drives.

We are soon going to be upgrading our 3590 B1A drives to the H1A models so
that we can squeeze loads more on the tapes and free up slots in our
soon-to-be-filled library.

Now, as far as I am aware, this is a relatively simple operation. Am I
right in thinking that all that needs to be done after the drives have been
upgraded is to mark all tapes that are presently in the on-site Tapepool
(in the library) as read only. After this, only scratch tapes will be used
and I will be free to start running some movedata commands to start
consolidating tapes (using the new higher compression).

Am I right in thinking that the tape drives will automatically use the
highest compression available to the unless told otherwise?

Am I missing something here as it sounds all too simple?

And advice is very much appreciated.

Many thanks

Farren Minns - TSM and Solaris System Admin - John Wiley & Sons Ltd
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