Scsi device recognition help
Mikkel L. Ellertson
mikkel at infinity-ltd.com
Wed Oct 17 17:16:48 UTC 2007
Dan Track wrote:
> I've just got this from /var/log/messages:
> Oct 17 10:04:15 aries kernel: scsi0 : cciss
> Oct 17 10:04:15 aries kernel: Vendor: HP Model: Ultrium
> 3-SCSI Rev: D22W
> Oct 17 10:04:15 aries kernel: Type: Sequential-Access
> ANSI SCSI revision: 03
> Oct 17 10:04:15 aries kernel: scsi: Unexpected response from host 0
> channel 0 id 0 lun 1 while scanning, scan aborted
> Oct 17 10:04:15 aries scsi.agent: tape at
> Oct 17 10:04:16 aries kernel: st: Version 20040403, fixed bufsize
> 32768, s/g segs 256
> Oct 17 10:04:16 aries kernel: Attached scsi tape st0 at scsi0, channel
> 0, id 0, lun 0
> Oct 17 10:04:16 aries kernel: st0: try direct i/o: yes (alignment 512
> B), max page reachable by HBA 4294967295
> Oct 17 10:04:16 aries kernel: Attached scsi generic sg0 at scsi0,
> channel 0, id 0, lun 0, type 1
> Hope someone can see a solution to this.
> On 10/17/07, Dan Track <dan.track at gmail.com> wrote:
>> I've got a new tape library HP MSL4048, now I'd don't know how to
>> verify whether the server has picked up the library or not, could
>> someone please give me a a little run through as to how to verify that
>> the tape library has been identified and mapped by the server?
>> Thanks in advance
It looks like the tape drive itself is detected, and is /dev/st0. If
I am reading the specs correctly, it has a four tape magazine. The
error on lun 1 is probably the response from the tape changer that
the kernel does not understand. I don't think the kernel supports
tape changers directly, but there are some user space programs that
support some changers. You will have to see if yours is supported.
Take a look at the mtx package.
You can check the drive itself using the mt command. (mt-st package.)
Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!
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