Subject: Re: [Bacula-users] Bacula & vchanger



On 4/26/2011 5:10 AM, Koenraad Lelong wrote:
> ...
>> It looks like you either did not create the volumes using vchanger's
>> INITMAG command, or else you created them as root or some other user and
>> it is a permissions problem. The volume files must be owned by (or at
>> least read/write) for the user that the bacula-sd daemon runs as.
>>
> Hi Josh,
>
> I investigated and it seems bacula-sd and bacula-dir were compiled to
> run as bacula:bacula. I initialized the "magazine" with
> vchanger -u bacula -g disk /etc/bacula/c2.conf initmag 1
>
> This results in
> -rw-r----- 1 bacula disk 0 26 apr 09:34 c2_0001_0001
> -rw-r----- 1 bacula disk 0 26 apr 09:34 c2_0001_0002
> -rw-r----- 1 bacula disk 0 26 apr 09:34 c2_0001_0003
> -rw-r--r-- 1 bacula disk 7 26 apr 09:34 index
> -rw-r--r-- 1 bacula disk 1 26 apr 09:34 loaded0
>
> So I started again, now with
> vchanger -u bacula -g bacula /etc/bacula/c2.conf initmag 1
> response :
> magazine bay 1 has no magazine mounted
>
> Tried again with
> vchanger -u bacula -g disk /etc/bacula/c2.conf initmag 1
>
> This went fine. Then I chown'ed -R
> /mnt/vchanger/49299ccc-6489-43f8-9536-d63dd3de9663 to bacula:bacula.
> Again bconsole reported no slots to scan.
> I don't understand anymore.

The partition itself must also have the correct owner and permissions.
It should look like:

# ls -la 49299ccc-6489-43f8-9536-d63dd3de9663

drwxrwx--- 3 bacula bacula 4096 26 apr 08:10 .
drwxr-xr-x 3 root root 0 26 apr 08:10 ..
-rw-r----- 1 bacula bacula 0 26 a...

pr 09:34 c2_0001_0001
-rw-r----- 1 bacula bacula 0 26 apr 09:34 c2_0001_0002
-rw-r----- 1 bacula bacula 0 26 apr 09:34 c2_0001_0003
-rw-r--r-- 1 bacula bacula 7 26 apr 09:34 index
-rw-r--r-- 1 bacula bacula 1 26 apr 09:34 loaded0

Likewise, the work directory, (determined by the work_dir= in the
vchanger config), should have permissions such that bacula:bacula has
read/write permissions for the directory and all files within it.

Finally, make sure that the vchanger config file is readable by
bacula:bacula.

Then the best way to test is to run as user bacula....
# su bacula
$ vchanger /path/to/vchanger.conf list
1:c2_0001_0001
2:c2_0001_0002
3:c2_0001_0003

You may have to temporarily change /etc/passwd to allow user bacula to
run in a interactive shell.


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