When we did this on AIX, every 3590B cartridge became READ-ONLY. Depending
on the size of your scratch pool, you can either let them migrate to 3590E
via gradual reclamation, which you can speed along by setting a relatively
low reclamation value, or by run MOVE DATA on every 3590B volume you have.
At 10:42 AM 7/10/2001 -0400, you wrote:
>We are running TSM 3.7.3 on OS/390 2.8. We are getting ready to upgrade
>our tape drives from model B's to model E's. IBM says that the upgraded
>drives will read the old tapes just fine, but will write them at the new
>density. I am unable to determine what, if anything, I need to do to
>configure TSM for this change. The deviceclasses only define "3590" with
>no model information. The capacity information for the old density tapes
>will not be correct when it starts writing at the new density. Is this
>something that TSM will adjust automatically or do I need to reset it somehow?
>
>Are there any problems I'm not thinking of that might bite us with some
>tapes at the old density and some at the new, once TSM starts writing
>tapes with the upgraded drives?
>
>Anything, else I should be looking at.
>
>Thanks for any advice.
>
>----------------------------------------------------------------------------------------------------------------
>
>Louis J. Wiesemann 502-852-8952
>
>----------------------------------------------------------------------------------------------------------------
>
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