Hi Guys,
I'm troubleshooting some issues using the community version of Bacula-5.2.3 and
am looking to stand up a second Bacula director in parallel with my existing
installation and configure one of my storage nodes to accept backup requests
from the new director.
Where this relates to your thread below is to request your advice on how I
should specify MediaType given that I'm backing up to disk and have multiple
storage nodes. To help simplify the question should I:
a) Provide a unique MediaType name for every device resource across multiple
storage nodes (ex: stor1dsk1 on Storage1, stor1dsk2 on Storage1, stor2dsk1 on
Storage2, stor2dsk2 on Storage2)
OR
b) Provide a unique MediaType name per storage node since a storage node
will be able to access all devices that are locally available to it (ex: stor1
for all device resources on Storage1, stor2 for all device resources on
Storage2)
On my original installation all storage nodes and device resources use "File"
as their media type designation. So far I haven't noticed where this has
caused problems but given the issue that people are seeing now, what would
recommend is the best path forward to keep me out of these kinds of problems
later. Thanks for your insight and advice. =)
-Jenny =)
________________________________________
From: Kern Sibbald [k...@sibbald.com]
Sent: Wednesday, February 08, 2012 6:45 AM
To: Alan Brown
Cc: bacula-devel@lists.sourceforge.net
Subject: Re: [Bacula-devel] Scratch pool issues - everything pulled into one
pool, intermittently. (Alan Brown)
On 02/04/2012 04:43 PM, Alan Brown wrote:
> On 03/02/12 17:17, Kern Sibbald wrote:
>> Hello Alan,
>>
>> In testing some new Enterprise code, SAN shared storage option, we
>> ran into this problem, and I think we understand it. We have a workaround
>> for Enterprise users, but for the Community this is much more complicated,
>> because our temporary workaround would probably break many Bacula
>> installations.
> It may be worth describing to the community anyway, along with where you
> think it'd break.
I am pretty much out of cycles these days. Basically Bacula was designed to
differentiate where a volume could be mounted based on the MediaType.
Users have
tended to use the same MediaType for all their Volumes. This leads to
lots of
problems with Bacula being unable to load volumes. I tried to come up with
a fix that involved using StorageIds, which works pretty well in most
cases, but
it was not the best thing to do. Removing StorageIds largely fixes the
problem, but
will break hundreds or thousands of installations.
We will try to find a solution, but it won't be tomorrow ...
Regards,
Kern
>
>> After we release the next Enterprise version at the end of March, we will
>> try to find a solution appropriate for the community.
> Thanks
>
>
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