[DRBD-user] How to backup all configs - just in case

Ammar Sheikh Saleh aalishe at gmail.com
Sun Dec 28 11:45:13 CET 2014

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


yes indeed .. I am new to this environment ... but I can see the clustering
software used is as follows:

corosync-2.3.0-1.el6.x86_64
pacemaker-1.1.8-1.el6.x86_64
drbd84-utils-8.4.2-1.el6.elrepo.x86_64

these are outdated but working  :-]

hope that makes it even clear to you

thanks!



On Sun, Dec 28, 2014 at 1:31 PM, Digimer <lists at alteeve.ca> wrote:

> Not without knowing your setup better.
>
> If you are new, I would start by building a cluster from scratch, using
> your production environment as a guide. This will go a long way to help you
> both find the files you need and also to help you develop a good
> understanding of your production environment and how clustering works.
>
> It's very well worth the time investment. :)
>
> On 28/12/14 05:29 AM, Ammar Sheikh Saleh wrote:
>
>> thanks Digimer,
>>
>> but I cant poweroff the nodes .. they are in production and shouldn't be
>> touched ...
>>
>> can you tell exactly which files /"Copy over the various config files"/
>>
>> On Sun, Dec 28, 2014 at 1:15 PM, Digimer <lists at alteeve.ca
>> <mailto:lists at alteeve.ca>> wrote:
>>
>>     That is a lot harder to do... The easiest would be to power off the
>>     nodes and clone the systems (adjusting on boot for things like
>>     different MAC addresses, avoid duplicate IPs, etc).
>>
>>     In truth though, for dev/testing, I don't think you need to do this.
>>     Copy over the various config files, copy the data from the FS on
>>     DRBD from backups and have at it. I actually think the practice of
>>     rebuilding (repeatedly in a dev environment) what you have in
>>     production is a great way to know if you're ready to do it in an
>>     emergency.
>>
>>     On 28/12/14 05:12 AM, Ammar Sheikh Saleh wrote:
>>
>>         Thanks.
>>
>>         Yes .. everything not only DRBD ... to a fully working replica of
>>         everything (including content)
>>
>>         thanks in advance
>>
>>         On Sun, Dec 28, 2014 at 12:10 PM, Digimer <lists at alteeve.ca
>>         <mailto:lists at alteeve.ca>
>>         <mailto:lists at alteeve.ca <mailto:lists at alteeve.ca>>> wrote:
>>
>>              For DRBD, assuming the installed versions matched, you just
>>         need to
>>              copy /etc/drbd*.
>>
>>              Or are you asking about replicating the contents of the
>>         resources as
>>              well?
>>
>>
>>              On 28/12/14 02:30 AM, Ammar Sheikh Saleh wrote:
>>
>>                  Hi,
>>
>>                  is there away to replicate a production cluster ( with
>>                  DRBD-Corosync-Pacemaker)  .. and build an exact
>> clustering
>>                  software on a
>>                  development setup?
>>
>>                  and what would be the easiest/fastest/most accurate way
>>         to do so ...
>>
>>
>>                  thanks!
>>
>>
>>                  ___________________________________________________
>>                  drbd-user mailing list
>>         drbd-user at lists.linbit.com <mailto:drbd-user at lists.linbit.com>
>>         <mailto:drbd-user at lists.__linbit.com
>>         <mailto:drbd-user at lists.linbit.com>>
>>         http://lists.linbit.com/____mailman/listinfo/drbd-user
>>         <http://lists.linbit.com/__mailman/listinfo/drbd-user>
>>                  <http://lists.linbit.com/__mailman/listinfo/drbd-user
>>         <http://lists.linbit.com/mailman/listinfo/drbd-user>>
>>
>>
>>
>>              --
>>              Digimer
>>              Papers and Projects: https://alteeve.ca/w/
>>              What if the cure for cancer is trapped in the mind of a
>> person
>>              without access to education?
>>
>>
>>
>>
>>         --
>>         --v
>>
>>
>>
>>     --
>>     Digimer
>>     Papers and Projects: https://alteeve.ca/w/
>>     What if the cure for cancer is trapped in the mind of a person
>>     without access to education?
>>
>>
>>
>
> --
> Digimer
> Papers and Projects: https://alteeve.ca/w/
> What if the cure for cancer is trapped in the mind of a person without
> access to education?
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20141228/08279573/attachment.htm>


More information about the drbd-user mailing list