[CentOS] Problem detecting HP Tape Drive

Mehdi Sarmadi msarmadi at gmail.com
Sat Jan 24 19:29:28 UTC 2009


Solved!

The answer is:

echo "engage scsi" > /proc/drivers/cciss/cciss1

With that thing everything worked fine.
Thanks every one for your help
--
Mehdi Sarmadi


On Sun, Jan 4, 2009 at 5:02 PM, Kay Diederichs <
kay.diederichs at uni-konstanz.de> wrote:

> Mehdi Sarmadi wrote:
> > Hello
> >
> >  I do have problem using Linux with an external HP tape drive. The
> > server platform is also an HP Server; the server is an HP ML350 G4,
> > and the Tape drive is a HP Storage Works Ultrium 448 - 1U
> > Rack-mountable.
> >
> >  HP Ultrium documentation says two drivers should be automatically
> > up, sym53c8xx for LSI SCSI interface "st" for tape and /proc/scsi/scsi
> > should contain information about tape drive, e.g. SCSI ID. However
> > none of them happened in my case! (document: "UP LTO Ultrium 2-3 -
> > Unix Config Guide")
> >
> >  The SCSI adapter is an LSI53C1030. The system has another the same
> > adapter which is used for hard disk drives.
> >
> >  The interesting part is, the hard disk are detected and even OS
> > boots from them, but I can't make the tape drive work. Moreover, in
> > system boot up, LSI SCSI BIOS displays informations saying there is a
> > tape drive connected!
> >
> >  Any one has same experience, suggestion, comments or clues?
> >
> > I've place a zip file here:
> > http://msarmadi.googlepages.com/report_files.zip which contains:
> >
> > - dmesg
> > - lshal
> > - lsmod
> > - lspci -vv
> > - cat /proc/scsi/scsi > proc.scsi.scsi
> > - cat /proc/modules > proc.modules
> > - uname -a > uname
> >
> > Also, below there are detailed information about devices and OS
> > config/log files.
> >
> > ===== System info:
> > Operating System: Redhat Enterprise Linux AS 5(the same thing happened
> > using CentOS 5.2)
> > Sever System: HP ML530 G4
> > SCSI Adapter: LSI 1030
> > Tape Drive: HP Storage Works Ultrium 448 - 1U Rack-mountable
> > SCSI Cable: P/N 313375002 Rev R (coming with tape drive)
> >
> > *Note that, no other SCSI devices are connected to the cable.
> >
> > ===== Here is some parts of boot up messages on the screen of HP ML350 G4
> ====
> > System BIOS D17 (14/04/2005)
> >
> > ...
> >
> > MPTBIOS-5.05.18
> >
> > ...
> >
> > Slot 3 HP Smart Array 6400 Controller (192MB, v.2.26) 1 Logic Drive
> Detected
> > 1794-Slot 3 Drive Arraye - Array Accelerator Battery Charge low
> >  Array Accelerator Posted-Write Cache is temporarilty Disabled
> >  Array Accelerator batteries hace failed to charge and should be replaced
> >
> >
> > Slot 3 HP Smart Array 6400 EM Controller (192MB, v.2.26) 1 Logic Drive
> Detected
> >    Tape or CD-ROM Drive(s) Detected:
> >        SCSI Port 2: SCSI ID 1
> > 1785-Slot 3 Drive Arraye Not Configured
> >    No Drives Detected
> > ...
> >
> > [Followed by GRUB and Linux boot up]
> > =========================
> >
> > --
> > Mehdi Sarmadi
>
> Mehdi,
>
> did you install the "mt-st" RPM ? This lets you control your tape with
> the mt utilities.
>
> Knowledgebase articles that seem to be relevant for your case are e.g.
> http://kbase.redhat.com/faq/docs/DOC-1235
> http://kbase.redhat.com/faq/docs/DOC-7084
>
> HTH,
>
> Kay
>
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>
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