Gunther,

IBM is still investigating on my side. They came today a force a dump
from the driver after loading a `special' microcode ... still waiting for
a solution. In fact, I am having problems even with brand new cartridges.

Mauro, STM

> Mauro
>
> >
> > H.G.,
> >
> > still having problems on two out of the four tapes.
> >
> > IBM changed on one of the two faulty drive:
> >
> >         - head      (nothing's changed)
> >         - card-pack (nothing's changed)
> >
> > I changed:
> >
> >         - 3590 microcode from D0IC_994 to D0IC_A70 (nothing's
changed)
> >         - Atape driver downgraded 5.0.2 -> 4.6.2   (nothing's
changed)
> >
> > IBM guys are scratching their heads, they run short on ideas ... I'm
busy
> > copying the R/O cartridges and trying to restore what it's set as
> > damaged. I wish I could go back to the old and secure 3590-1BA
drives.
> >
> > I have two drive on each board (Wide/Fast-20 SCSI I/O Controller).
Can
> > this be a problem given the current throughput of the new drives?
> >
> > How many 3590-1EA do you have on a single SCSI channel and which SCSI
> > board do you have on the AIX box?
>
> We have wide differential SCSI adapters (type 4-C and 4-6). We have 4
drives
> on each SCSI-bus which is ian interim solution until the installation
of
> new server hardware. Our servers are RS/6000 590 models.
>
> IBM analyzed our errorlogs and came to the result that the errors were
caused
> by three volumes which are not readable any longer. They stated that
there
> may be problems reading tapes with 3590E drives which were written with
the
> old drives before upgrade!
>
> Gunther
>
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> |H.G.Borrmann                         |Tel.: (0761) 203-4652            |
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>   |
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>  |
>
|_______________________________________________________________________
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>
>
>
> >