tape drive error

[Eric Shibata]

Gene,
Thanks for the help. I'm going to fool around with it a bit more.
You'll be hearing from me if I have any problems. :-)
Thanks,
ERS

At 01:56 PM 3/16/2005, you wrote:
>On Wednesday 16 March 2005 10:25, Eric Shibata wrote:
> >Hi Gene,
> >Do you mean interrupts?
> >When I look at my /proc/interrupts I know I have other things there
> > with my scsi adapter from BusLogic.
> >
> >--------------------------------------------------------------------
> >---------------------------------------------- CPU0
> >   0:   70937522          XT-PIC  timer
> >   1:        200          XT-PIC  i8042
> >   2:          0          XT-PIC  cascade
> >   8:          1          XT-PIC  rtc
> >  11:     368831          XT-PIC  BusLogic BT-930, uhci_hcd, eth0
> >  12:       4778          XT-PIC  i8042
> >  14:      90206          XT-PIC  ide0
> >  15:     212674          XT-PIC  ide1
> >NMI:          0
> >ERR:          0
> >-----------------------------------------------------------
> >Let's just say it was a cabling problem. When I insert the tape, it
> > makes sound like it's rewind the tape. Would it be able to do that?
>
.... snip


>plug that one back in and unplug the other and recheck, then the
>chances are you are pretty good and have other hardware problems.
>No, or very little voltage when one end of the cable is unplugged
>means the device the cable is still plugged into isn't terminated and
>this must be fixed.
>
>If its only 2.65 to 2.75, its going to be a problem child
>occasionally.  Below 2.5 and its likely its not going to work until
>the proper voltage is re-established.
>
>I haven't dealt with the logic zero noise margin considerations
>because its a zero if the line is pulled down to less than .6 volts,
>and I've not seen the scsi bus driver yet that couldn't pull the line
>to well below 25 millivolts, hence its generally not a problem.  If
>it can't, the driver chip is toasted, go get someone who knows which
>end of a soldering iron gets hot.  I do, but I've yet to have to
>replace one because of that.
>
>Now, I hope I've helped to clarify this thing called a 'scsi bus'.
>
>lecture mode off
>
> > This is my first time setting up a tape drive, it didn't sound like
> > it should be this difficult.
> >Thanks,
> >ERS
> >
> >On Tuesday 15 March 2005 12:14, Eric Shibata wrote:
> > >HELP!
> > >I can't even get the status. No matter what I do I get the
> > > following error.
> > >
> > >/dev/tape: Input/output error
> > >/dev/st0: Input/output error
> > >
> > >Tape drive: HP SureStore T4i
> > >
> > >ERS
> >
> >That sounds a bit like cabling and or termination problems.
>
>--
>Cheers, Gene
>"There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
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