freebsd stable - Jun 2011 - LTO3 tape drive not detected

This was originally posted on the freebsd-questions list. It was 
suggested that I post it here:

I have FreeBSD 8.2-RELEASE running on an HP DL360 G5. I recently added 
an (HP branded) LSI Logic single channel SCSI 320 card and attached an 
HP Ultrium 920 LTO3 tape drive.

The system sees the SCSI controller as mpt0, and it seems to know 
there's something at SCSI ID 4, but I get an "AutoSense Failed"
for
hba/id/lun 0:4:0 at boot and subsequent camcontrol rescans.

I checked the supported hardware doc for the release but it doesn't get 
very specific about tape drives. This is my first experience with LTO3 
tape. I was hoping that I'd automagically get a /dev/sa0 device like I 
always did with my old DLT drives but it wasn't to be this time.

Is there a way to make this drive work?

On 24/06/2011, at 6:17, Joe in MPLS wrote:
> This was originally posted on the freebsd-questions list. It was suggested
that I post it here:
> 
> I have FreeBSD 8.2-RELEASE running on an HP DL360 G5. I recently added an
(HP branded) LSI Logic single channel SCSI 320 card and attached an HP Ultrium
920 LTO3 tape drive.
> 
> The system sees the SCSI controller as mpt0, and it seems to know
there's something at SCSI ID 4, but I get an "AutoSense Failed"
for hba/id/lun 0:4:0 at boot and subsequent camcontrol rescans.
> 
> I checked the supported hardware doc for the release but it doesn't get
very specific about tape drives. This is my first experience with LTO3 tape. I
was hoping that I'd automagically get a /dev/sa0 device like I always did
with my old DLT drives but it wasn't to be this time.
> 
> Is there a way to make this drive work?
I'd check the cabling etc..

I have an LTO2 drive that "Just works (tm)".

Can you boot a Linux ISO and see if that finds it?

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C