hi Eric,

unload manuell the tape from DLT-drive and put the tape in the
home-place (q libvol).
Next step update the drive with  update drive 7337 drive1 online=yes or
update drive 7337 drive2 online=yes.

Markus

Eric Tang schrieb:
>
> Hi All,
>
> I have the similar on 7337 with 2 x DLT7000 drive.
> A few days ago, a tape A was mounted in drive 117 (tape A was from slot 5),
> operator placed a scratch tape B in slot 5 without noticing tape A in slot
> 5 was mounted in drive 117. When TSM (AIX v3.7.3) unload tape A from drive
> 117 to slot 5, I/O error messages were prompted and 117 became unavailable.
> After removing tape B from slot 5, drive 117 cannot be offline (or delete)
> from TSM (or remove from Unix) due to drive in use. Power off/on 7337 did
> not help. Finally need to halt and restart TSM.
>
> Regards,
> Eric Tang