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Re: Anyone used an Ecrix Autopak?

It turns out the SCSI ID of the changer was in conflict with something
else, so it wasn't detecting it.  I changed the ID and it detected it,
so that worked.  Running status on the drive, though, still didn't
work, until I read this: 


Apparently, 'status' is a robotic command, and can't be run on a
drive, so it's a *good* thing it didn't work.

I still haven't been able to do a successful dump, though, and now I'm
having hardware problems with the drive.  Thanks for your help.  I may
be resurrecting this thread when I get my hardware problems sorted out.

Chris St. Pierre
Unix Systems Administrator
Nebraska Wesleyan University

On Wed, 8 Jun 2005, Jay LaPrade wrote:

>"That doesn't work, either.  All of the mtx commands
>give the same
>error as `mtx -f /dev/sg0 status` (below), including
>A few things to check for:
>1)  Is the library Attached?
>dmesg | grep Attached
>This should return something like the following:
>Attached scsi tape st0 at scsi0, channel 0, id 1, lun
>Attached scsi generic sg0 at scsi0, channel 0, id 0,
>lun 0,  type 8
>Type 8 is a library device
>2)  Check your SCSI ID's
>In general I prefer to set the library to SCSI ID 0
>and the tape drives to the next numbers,  so Tape
>Drive 1 might be SCSI ID 1
>3)  Make sure you are not using luns.  Last time I
>checked RH 3 does not have multiple lun support
>compiled into the kernel
>4)  Do not have the tape library connected to a
>MegaRAID or any other SCSI RAID adapter,  Use an
>independant SCSI card
>5)  If for some reason 1) does not work,  you may be
>able to modprobe sg and that will find it.  I have
>seen cases where /etc/hotplug/scsi.agent has an
>incorrect spelling for the MODULES name for sg.  I
>believe it was spelled MOUDLES.  
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