David,
I have DRM and it really helps but even then I wrote a lot of stuff for the
offsite movement.  Mainly because I needed something that looked more like a
mainframe.  TSM is designed for open slot vault management.  That is a bear
especially when you consider the 3590K media gets destroyed if it is dropped
at all.  So, we put our tapes in sealed cases and do move data commands to
resend the data offsite the week before the tapes are coming back containing
that data.  Yes, it takes a lot of hardware to do that, but it is definitely
worth it to know your tapes have not been monkeyed around with.

-----Original Message-----
From: David E Ehresman [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, March 20, 2002 10:13 AM
To: [EMAIL PROTECTED]
Subject: Re: Benefits of moving to platform other than OS/390


I've not done the move yet but expect to in the next 6 months.  The con I
expect has to do with media movement to and from our offsite vault. On OS390
we have a vault management system that tells the ops what tapes to send
offsite, tells the courier which slots to put them in, which slots to pull
and bring back.  On AIX, we don't have such a system.

I'm also implementing a small TSM system on a small AIX network with a LTO
tape library.  What I notice there so far is that the 3584 takes more
operator intervention then does the 3494.  TSM on AIX requires me to reply
to messages to tell the 3584 to look for carts in the i/o station; the 3494
with TSM on OS390 just detects that it has carts in the i/o station and
files them.

David Ehresman
University of Louisville

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