Hi all, I totally agree with Bryn. Even more when you think about your volumes. Bacula links volumes to devices and it is not a really good idea so frequent changes (deleting devices from bacula-sd.cionf) in your devices. This way you will have lots of trouble with volumes that does not have its device anymore. You should be aware of migrating these jobs before deleting devices from your bacula-sd.conf all the time.
Best regards, Ana On Fri, Oct 24, 2014 at 9:55 AM, Bryn Hughes <li...@nashira.ca> wrote: > On 14-10-24 05:28 AM, Andrea Carpani wrote: > > On 24/10/2014 12:47, Kern Sibbald wrote: > > No, the SD and the FD cannot be reloaded. On the FD in principle it > would be easy, but on the SD, it would be complicated if drives > changed. What would you do with Jobs that are using a drive that > would be removed from the reload? > > I'm not that deep into backup software, so maybe I'm saying something > stupid, but a config reload could do the same thing that other software > do, that is: > - continue servicing current requests with the previous conf and > - use the new conf for new requests. > > Something like a graceful restart apache does. > > Does this make sense? > > .a.c. > > Sense to humans yes, sense to program code not so much. > > The nature of the SD is that its configuration should almost never change > - all it has for config is an inventory of hardware devices. There's a > certain elegance in simplicity that would be lost trying to cover what > should be a fairly narrow use case. > > Imagine all the debugging you have to do - is this job failing because it > is trying to use the config as it appears in the config file, or some other > config in memory from some time in the past? What happens if we now have > different device names referring to the same physical device, we now need a > whole locking mechanism that can cover the use case of multiple versions of > the SD config accessing the same physical device, possibly with different > parameters and names. How would you be able to tell which version of the > config a given job is using? Remember it is easy to start a backup job > that can last a couple of days - a full backup of a huge fileserver for > instance. > > Things would get really messy really fast, with practically no benefit. > Your SD config likely changes what, once or twice per year? If that? It > is much safer to just restart the SD when you have an idle period between > backups. > > Bryn > > > ------------------------------------------------------------------------------ > > _______________________________________________ > Bacula-users mailing list > Bacula-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bacula-users > >
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