Problem detecting HP Tape Drive

[Mehdi Sarmadi]

That's my question!? /proc/scsi/scsi is empty


--
Mehdi Sarmadi



On Mon, Jan 5, 2009 at 8:31 PM, Nigel Wade <nmw at ion.le.ac.uk> 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 information 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
>> 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]
>> =========================
>>
>
> I don't see the st kernel module listed in lsmod. Try "modprobe st" to load
> it.
>
> Why is your /proc/scsi/scsi output empty?
> I'd expect to see something like this:
>
> # cat /proc/scsi/scsi
> Attached devices:
> Host: scsi0 Channel: 00 Id: 02 Lun: 00
>  Vendor: SEAGATE  Model: ST373207LC       Rev: 0003
>  Type:   Direct-Access                    ANSI SCSI revision: 03
> Host: scsi1 Channel: 00 Id: 00 Lun: 00
>  Vendor: ATL      Model: M2500            Rev: 10.0
>  Type:   Medium Changer                   ANSI SCSI revision: 02
> Host: scsi1 Channel: 00 Id: 01 Lun: 00
>  Vendor: HP       Model: Ultrium 3-SCSI   Rev: G27Z
>  Type:   Sequential-Access                ANSI SCSI revision: 03
> Host: scsi2 Channel: 00 Id: 02 Lun: 00
>  Vendor: HP       Model: Ultrium 3-SCSI   Rev: G27Z
>  Type:   Sequential-Access                ANSI SCSI revision: 03
> Host: scsi5 Channel: 00 Id: 01 Lun: 00
>  Vendor: HP       Model: C5683A           Rev: C908
>  Type:   Sequential-Access                ANSI SCSI revision: 02
> Host: scsi5 Channel: 00 Id: 02 Lun: 00
>  Vendor: HP       Model: C5683A           Rev: C908
>  Type:   Sequential-Access                ANSI SCSI revision: 02
> Host: scsi5 Channel: 00 Id: 03 Lun: 00
>  Vendor: HP       Model: C5683A           Rev: C908
>  Type:   Sequential-Access                ANSI SCSI revision: 02
> Host: scsi5 Channel: 00 Id: 04 Lun: 00
>  Vendor: HP       Model: C5683A           Rev: C908
>  Type:   Sequential-Access                ANSI SCSI revision: 02
>
> --
> Nigel Wade, System Administrator, Space Plasma Physics Group,
>            University of Leicester, Leicester, LE1 7RH, UK
> E-mail :    nmw at ion.le.ac.uk
> Phone :     +44 (0)116 2523548, Fax : +44 (0)116 2523555
>
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