In the last episode (Sep 21), Christoph Kukulies said:
Just FYI, don't know whether I should bother but since the recent
upgrade to -current (aout) I'm seeing the following log messages:
Sep 21 20:35:58 blues /kernel: (da0:ncr0:0:0:0): tagged openings now 15
That just means your drive can't handle more than 15 tagged commands at
once. CAM's max is 64 (is there any way to raise this?), so the first
time your system hits the disk heavily, your drive will complain about
the number of tags it can't handle, and the kernel message will pop up.
There's no way to query the drive for this information (as far as I
know), so the system basically tries to use as many tagged commands as
possible until the drive complains.
Some of Netware's SCSI drivers print the same messages. It's actually
nice to see the message; then I know what drives not to buy next time