On Thursday 03 August 2006 21:14, Timo Neuvonen wrote:

> > Now the 'update slots' command does not recognize the
> > number of slots in my autochanger [1] anymore.
>
> Check the permissions for your changer device (/dev/sg5).
>
> Does storage daemon have rightsto access it? If SD is running as
> bacula:disk as I expect, sg5 should have group disk with group privileges
> rw-. I think FC4 used to set this to something more restricted by default.
> And in 1.38.0 SD propably was running as root by default, so that would
> explain the problem.
>
> If this is the problem make sure the permissions retain the correct values
> after reboot: you'll propably need to modify something in /etc/udev, since
> results of chmod / chown will be "overwritten" during the next boot.

ah, thanks. That was problem #1. FC4 has --- group privileges by default.

I could not tweak udev correctly yet. It sets the permissions, but not the 
group for some reason.
Also I learned that it is 'incorrect' to 
modify /etc/udev/rules.d/50-udev.rules. The correct way is to create a 
separate file with a lower number in the file name. Ie '40-bacula.rules'. I 
will post one as soon as I get it working. 

Is there a chance to get udev rules shipped with the Fedora RPM Packages?

Problem #2 was that 'mtx' is located in /usr/sbin, which is not in the default 
PATH of the 'bacula' user. I fixed that straight in mtx-changer for now.

Problem #3 were the privileges of mtx-changer itself. That was likely because 
of me playing around...

it did a lot FULLs this weekend with a lot of tape switching. Looks all good 
now. 

thanks for the help,
Stephan

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