On Friday 08 September 2006 14:31, Nick Jones wrote:
>Ok, here is what I have tried finally.  Trying to get amtapetype to work.
>
>[root@localhost ~]# mt -f /dev/nst0 status
>SCSI 2 tape drive:
>File number=-1, block number=-1, partition=0.
>Tape block size 0 bytes. Density code 0x0 (default).
>Soft error count since last status=0
>General status bits on (50000):
> DR_OPEN IM_REP_EN
>
>[root@localhost ~]# mt -f /dev/nst0 offline
>/dev/nst0: Input/output error
>
>[root@localhost ~]# mt -f /dev/nst0 load
>/dev/nst0: Input/output error
>
>[root@localhost ~]# mt -f /dev/st0 status
>SCSI 2 tape drive:
>File number=-1, block number=-1, partition=0.
>Tape block size 0 bytes. Density code 0x0 (default).
>Soft error count since last status=0
>General status bits on (50000):
> DR_OPEN IM_REP_EN
>
>[root@localhost ~]# mt -f /dev/st0 load
>/dev/st0: Input/output error
>
>Here's what the log says
>
>Sep  8 13:30:50 localhost kernel: st0: Error with sense data: <6>st0:
>Current: sense key: Not Ready
>Sep  8 13:30:50 localhost kernel:     Additional sense: Medium not
> present
>
>Any ideas?

Only one, and its so obvious I hesitate to mention it, but those errors 
would seem to indicate that there is not a tape in the drive.

>Thanks alot
>
>Nick
>
>On 8/21/06, Jon LaBadie <jon AT jgcomp DOT com> wrote:
>> On Mon, Aug 21, 2006 at 01:58:16PM -0500, Nick Jones wrote:
>> > [root@alienraid sbin]#./amtapetype -f /dev/nst0 -e 400g
>> > amtapetype: could not open /dev/nst0: Input/output error
>> > [root@alienraid sbin]#mtx -f /dev/nst0 inquiry
>> > cannot open SCSI device '/dev/nst0' - Input/output error
>> >
>> > I don't have mt.  I figured mtx is a suitable replacement.
>>
>> You figured wrong.
>>
>> mtx works on the robotic changer mechanism,
>> st0 is a tape drive inside your changer.
>>
>> mt is for manipulating tape drives.
>>
>> I have two tape drives, and standalone Ultrium and a DDS 3 changer.
>> mtx -f /dev/st<whatever> does nothing useful on my system.
>> Doesn't give an error, just hangs.
>>
>> > Not sure if it is going to work under Yellow Dog Linux 4.1.  Any
>> > other ideas?
>>
>> Does anything do anything with your tapedrive?
>> Can you tar to it?  tar from it?  dd to or from it? cat to or from it?
>>
>> > Next I will try Backula I think.
>>
>> bacula may be a fine product.
>> But unless you can access your tapedrive with some basic commands
>> no backup product is going to do diddly.
>>
>> --
>> Jon H. LaBadie                  jon AT jgcomp DOT com
>>  JG Computing
>>  4455 Province Line Road        (609) 252-0159
>>  Princeton, NJ  08540-4322      (609) 683-7220 (fax)

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