I've always followed their docs and deleted, uninstalled and reinstalled
the drivers. It is not too much of a problem other than sometimes you
need to rename the RMT device names (especially if you are using FC
multipathing to the drives.)

I'd stick with the tried and true.

Ben

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Richard Rhodes
Sent: Thursday, September 06, 2007 12:44 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Upgrading atape and atldd

In reading over the IBM procedure for upgrading atape on AIX (article
1174910), it says to removed the tape and lib devices from AIX (rmdev
-dl fmtX). Is this really necessary?  Can you just drop them to a
defined state (rmdev -l rmtX) for the upgrade so as to not mess up the
paths?  Also, is it really necessary to uninstall the previous version,
or can you just do a smitty upgrade.

Thanks

Rick


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