[OpenAFS] Re: OpenAFS maintenance

Dvorkin, Asya dvorkias@umdnj.edu
Fri, 8 Apr 2011 16:19:52 -0400

Hi Andrew,

Thanks a lot of a very informative response.

You are right.. testing/backup environment is a way to go.  I will start wo=
rking on it....

Have a good weekend,

On Apr 7, 2011, at 4:27 PM, Andrew Deason wrote:

> On Thu, 7 Apr 2011 15:13:24 -0400
> "Dvorkin, Asya" <dvorkias@umdnj.edu> wrote:
>> At my current position, I was given an already running Centos server
>> with a cell setup on it, which is up and running.  I know how to do
>> basic maintenance (increase quotas, check permissions).  My main
>> concern is how can I prepare for emergencies?  What can I do/learn in
>> advance with a running/working openafs setup that would "train" me for
>> when something will actually go wrong?
> If you only have one server, you may want to practice constructing a new
> server and cell entirely from backups. That should tell you how easily
> you can recover from a disaster scenario, and whether your backups are
> actually adequate. But that concept isn't really AFS-specific.
> If you set up more fileservers or database servers (which tends to be a
> good idea for other reasons anyway), you can move/create 'test' volumes
> to them and experiment with known failure scenarios. e.g. see what
> happens when a fileserver or dbserver drops off the network, when
> garbage is written to /vicep*, or when you pull the power cord or 'kill
> -9' AFS daemons. You could even set up a separate "test" cell and realm
> depending on how much effort and resources you want to spend on it. Some
> sites find such a thing also useful for testing new versions, new
> functionality, etc.
> And, of course, you can "be prepared" by purchasing a commercial support
> contract :) <http://www.openafs.org/support.html>.
> --=20
> Andrew Deason
> adeason@sinenomine.net
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