Alan Brown wrote:
> On Wed, 19 Nov 2008, Robert LeBlanc wrote:
> 
>>> You can write a udev rule to lock the drives down. I wrote one awhile
>>> back to keep the changer device the same.
>>>
>>> dev6 ~ # cat /etc/udev/rules.d/55-bacula.rules
>>> SUBSYSTEM=="scsi",ATTRS{vendor}=="EXABYTE*",ATTRS{type}=="8",
>>> SYMLINK+="autochanger1 changer"
> 
> For the drives you're better off creating udev rules to create something
> like /dev/scsi/ntape/{drive-WWID} and /dev/scsi/generics/{WWID}
> 
> These won't change no matter where on the scsi/fabric the drive is.
> 
> I've had a request ticket in with Redhat to implement this on RHEL4/5 for
> a long time, ditto with the /dev/sg/ devices for the same reason.
> 
> (Not to mention a strong wish for multipath support for tapes and
> generics...)
> 

Well with the latest redhat/centos 5.2 (i believe it was backported to 4
too) you can use /dev/tape/by-id/scsi-XXXXXX-nst that should be fixed by
using specific id (instead of XXXXXX).

The only problem is that mt still use /dev/tape by default...

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