On 8 December 2014 at 07:02, James Bottomley
<james.bottom...@hansenpartnership.com> wrote:
>
> The error message likely means that the tape device had more than one
> command outstanding at once (i.e. one command was sent while the current
> command was still pending).  It could also mean that a tag got re-used
> (same tag issued while command with that tag was outstanding) but for a
> tape I think the former is more likely.  Is the queue depth set to one
> for the device?
>
> /sys/class/scsi_device/<dev>/device/queue_depth
> you can (as root) echo a value in there to change the depth.

Sadly setting the queue depth to 1 didn't prevent the error message :-(
All other ideas and suggestions for debugging gratefully received!

st0: Sense Key : Aborted Command [current]
st0: Add. Sense: Tagged overlapped commands (task tag 0)
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