MSL6000 ISSUE

Nigel Wade nmw at ion.le.ac.uk
Wed Mar 14 09:27:18 UTC 2007


Redouane N. wrote:
> No Way brother, i did use everything i know... and my final touch was 
> "hwbrowser ;) " 

Ah, desperation indeed.

.... i did check the log files and /proc files....etc
> but without any solution....
> 
> So what do you think?!
> Yes HBA sure....

How are the drives connected to the system? Our tape library has 
separate SCSI for the controller, and for each tape drive. The tape 
drives show up in /proc/scsi/scsi:

# cat /proc/scsi/scsi
Attached devices:
...
Host: scsi1 Channel: 00 Id: 00 Lun: 00
   Vendor: ATL      Model: M2500            Rev: 10.0
   Type:   Medium Changer                   ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 01 Lun: 00
   Vendor: HP       Model: Ultrium 3-SCSI   Rev: G27Z
   Type:   Sequential-Access                ANSI SCSI revision: 03
Host: scsi2 Channel: 00 Id: 02 Lun: 00
   Vendor: HP       Model: Ultrium 3-SCSI   Rev: G27Z
   Type:   Sequential-Access                ANSI SCSI revision: 03

The ATL M2500 is the tape library, and the other devices are the two 
drives in the library.

You can see the library controller, presumably via the fibre HBA, and 
this shows up as a SCSI device in /proc/scsi/scsi? How did the drives 
appear on the system previously when they worked?

-- 
Nigel Wade, System Administrator, Space Plasma Physics Group,
             University of Leicester, Leicester, LE1 7RH, UK
E-mail :    nmw at ion.le.ac.uk
Phone :     +44 (0)116 2523548, Fax : +44 (0)116 2523555




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