> On Mon, Mar 24, 2003 at 09:08:31PM -0500, Bob Perry wrote:
> > I recently upgraded/reinstalled 4.7 RELEASE and apparently lost use of
my
> > SCSI tape backup system. The dmesg command indicates that FreeBSD found
the
> > controller and tape but I don't understand much more than that.
> >
> > Does anyone know where I might find some documentation which would
explain
> > output resulting from running dmesg? For instance, one of the lines
reads:
> > sa0 at adv0 bus 0 target 4 lun 0
> > ?
> > Just looking for some direction.
> >
> > Thanks
> >
>
> I don't know of any docs that really explain reading a dmesg in detail,
but
> I'd be willing to help you sort your issues if you posted your dmesg.
Thanks Josh,
I have a SCSI Seagate TapeStor system that worked fine under 4.5 RELEASE.
It worked equally as well when I tried a binary upgrade to 4.7. There were
too many other problems with the upgrade so later I did a complete install
of 4.7. This is where I found that my tape system no longer responded to
any mt commands.
I ran the command dmesg | grep sa0 for the tape device and got the
following:
sa0 at adv0 bus 0 target 4 lun 0
sa0: <Seagate STT20000N 6451> Removable Sequential Access SCSI-2
device
sa0: 10,000 MB/s transfers (10,000 MHz, offset 15)
Also ran dmesg | grep adv0 for the controller:
adv0: AdvanSys Ultra SCSI Host Adapter SCSI ID 7, queue depth 240
adv0: <AdvanSys ASC3030/50 SCSI controller> port 0xb400-0xb4ff mem
0x5000000-0xd50000ff irq 11 at device 12.0 on pci0
My kernel SCSI controller data reads:
adv0 at isa?
My kernel SCSI peripheral data reads:
sa Sequential Access (tape, etc)
The best I can pull from this is that FreeBSD finds the tape and controller
when it boots.
Thanks again
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