[CentOS] SCSI schizophrenia

Fri Oct 21 14:51:03 UTC 2005
Craig White <craigwhite at azapple.com>

On Fri, 2005-10-21 at 11:54 +0100, James Pearson wrote:
> Craig White wrote:
> > OK - I only have one tape drive but a real problem these days backing
> > up. I ***may*** have connected the SCSI connector to the 'other'
> > external connector when shifting stuff around in the rack.
> > 
> > # cat /proc/scsi/scsi
> > Attached devices:
> > Host: scsi0 Channel: 00 Id: 00 Lun: 00
> >   Vendor: MegaRAID Model: LD 0 RAID5   69G Rev: 4.10
> >   Type:   Direct-Access                    ANSI SCSI revision: 02
> > Host: scsi0 Channel: 04 Id: 06 Lun: 00
> >   Vendor: PE/PV    Model: 1x3 SCSI BP      Rev: 1.1
> >   Type:   Processor                        ANSI SCSI revision: 02
> > Host: scsi0 Channel: 05 Id: 06 Lun: 00
> >   Vendor: SEAGATE  Model: ULTRIUM06242-XXX Rev: 1514
> >   Type:   Sequential-Access                ANSI SCSI revision: 03
> > Host: scsi0 Channel: 05 Id: 06 Lun: 01
> >   Vendor: SEAGATE  Model: ULTRIUM06242-XXX Rev: 1514
> >   Type:   Sequential-Access                ANSI SCSI revision: 03
> > 
> > How do I get it 're-parse' the scsi system so it only indicates one
> > ULTRIUM tape drive? Me suspects this is why I am having backup issues.
> 
> Try:
> 
> echo "scsi remove-single-device 0 5 6 1" > /proc/scsi/scsi
> 
> This should remove the drive at LUN 1
> 
> Also have a look at the 'Rescan SCSI bus' section at 
> http://www.garloff.de/kurt/linux/
> 
----
now that's what I'm talking about  ;-)

Thanks - at this point, I will wait until office clears out tonight -
doesn't seem to be the thing you want to try to S & G's at the beginning
of the day (desparation is a relative thing - they are functioning, just
backup isn't happening).

Craig


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