Amanda-Users

AW: AW: AW: Question: does this DLT Drive work?

2006-02-16 10:40:21
Subject: AW: AW: AW: Question: does this DLT Drive work?
From: "Sebastian Koesters" <skoesters AT sino DOT de>
To: <amanda-users AT amanda DOT org>
Date: Thu, 16 Feb 2006 16:32:19 +0100
Its a new new and (i think) a real good tape.

I tried to label it:

bash-3.00$ amlabel full-sonntag DailySet1001
rewinding, reading label, reading label: Input/output error
rewinding, writing label DailySet1001, checking label, done.

My config:

tapedev "/dev/nst0

tapetype DLT320

define tapetype DLT320 {
     comment "DLT 320"
     length 300000 mbytes
     filemark 28 kbytes
     speed 2349 kps
}



-----Ursprüngliche Nachricht-----
Von: George Kelbley [mailto:kelbley AT cs.unm DOT edu] 
Gesendet: Donnerstag, 16. Februar 2006 16:25
An: Sebastian Koesters
Betreff: Re: AW: AW: Question: does this DLT Drive work?

Yes it should.  If send mine a rewind command I can hear it.  Besides 
rewind, have tried any other commands, like try to make it seek forward 
using the fsf option in mt?

Is this a new or used tape drive?  Is it known to be good?


Sebastian Koesters wrote:
> Hi and thank you
> 
> I see this
> 
> scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
>         <Adaptec 29160 Ultra160 SCSI adapter>
>         aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
> 
>   Vendor: QUANTUM   Model: DLT-V4            Rev: 0400
>   Type:   Sequential-Access                  ANSI SCSI revision: 02
>  target0:0:4: Beginning Domain Validation
> WIDTH IS 1
> (scsi0:A:4): 6.600MB/s transfers (16bit)
>  target0:0:4: Domain Validation skipping write tests
> (scsi0:A:4): 40.000MB/s transfers (20.000MHz, offset 96, 16bit)
>  target0:0:4: Ending Domain Validation
> 
> and this in dmesg
> 
> st: Version 20050312, fixed bufsize 32768, s/g segs 256
> Attached scsi tape st0 at scsi0, channel 0, id 4, lun 0
> st0: try direct i/o: yes (alignment 512 B), max page reachable by HBA
> 1048575
> 
> so the drive must be /dev/st0
> 
> but shouldnt the drive make some sound or something like this when i try
to
> rewind (mt -f /dev/st0 rewind) ?!
> 
> it shows no activity on the led and makes no sounds (using the tape)
> 
> 
> -----Ursprüngliche Nachricht-----
> Von: Paul Bijnens [mailto:paul.bijnens AT xplanation DOT com] 
> Gesendet: Donnerstag, 16. Februar 2006 16:01
> An: Sebastian Koesters
> Betreff: Re: AW: Question: does this DLT Drive work?
> 
> On 02/16/2006 03:38 PM, Sebastian Koesters wrote:
> 
>>Now i build in the drive but i do not know whats his device name is?!
>>
>>My old DAT-Drive was nst0 but this does nt work with the DLT!?
> 
> 
> Do "dmesg | less", short after a reboot (short means: when the
> oldest messages in the kernel ring buffer are not yet overwritten
> by newer ones, that could be minutes, or months, depending on
> your environment).
> 
> Look in the boot messages for your hardware.
> First a SCSI card should be detected  (from my machine:)
> 
>   scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
>           <Adaptec 29160 Ultra160 SCSI adapter>
>           aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
> 
>   (scsi0:A:3): 160.000MB/s transfers (80.000MHz DT, offset 64, 16bit)
>     Vendor: HP        Model: Ultrium 2-SCSI    Rev: S24D
>     Type:   Sequential-Access                  ANSI SCSI revision: 03
> 
> If you do not see that, you may need to load the kernel module for
> your particular scsi card.  In my case it is done automatically,
> the manual command would be: "modprobe aic7xxx", because that kernel
> module can handle that kind of hardware card.
> 
> Some lines further down, you should see the sequential tape (st)
> kernel module handle the tape drive that was discovered:
> 
>   st: Version 20040403, fixed bufsize 32768, s/g segs 256
>   Attached scsi tape st0 at scsi0, channel 0, id 3, lun 0
>   st0: try direct i/o: yes (alignment 512 B), max page reachable by HBA 
> 1048575
> 
> If you don't have lines starting with 'st', you may need to load the
> st-kernel module too (manual command:  "modprobe st").
> 
> The middle line above also show that "st0"  (that means /dev/st0) is
> the tape drive device.
> 
> A good introduction is found here:
>
http://www.chongluo.com/books/rute/node45.html#SECTION004569000000000000000
> 
> 
> 
> 

-- 
George Kelbley                  System Support Group    
Computer Science Department     University of New Mexico
505-277-6502                    Fax: 505-277-6927





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