This is odd.  I've had to upgrade a server on AIX from 3.1.1.5 to
3.1.2.40 and this has gone without a hitch.  Processing is proceeding
just fine.

Matthias Hensel wrote:
>
> Hello,
>
> upgrading a AIX 3.1.2.20 Server to 3.1.2.40 seems to give likely errors
> like on NT mentioned by Mark Remeta.
>
> ADSM is willing to use one tape drive of a 3494 library (3590e) as maximum
> for migrating the backuppool which is a diskpool. Every other process is
> terminating with FAILURE raising the  message ANR8447E "No drives are
> currently available in library 3494A" filling up the activity log. It is
> not even willing to do a migration for the archivepool which is also a
> diskpool.
>
> On the other hand ADSM is using all drives for serving this only process.
> When one drive is about to unload the tape, the next required tape for
> migration is mounted in another drive. Unlike on NT changing the Mountlimit
> value for the device class from 5 to "DRIVES" or vice versa does not bring
> any changes in this situation.
>
> Could it be that some testing values like Mountlimit=1 for all device
> classes remained in this server level?
>
> For my opinion: Do not install the 2.40 level because it halts production !
> We have a priority 1 call at IBM and they are not responding !
>
> Can anyone help? IBM seems not.
>
> Matthias