[Xymon] migrate server

[Dr. Peter Kache | getit GmbH]

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Am 14.11.2012 07:59, schrieb Henrik Størner:
> On 14-11-2012 04:04, Novosielski, Ryan wrote:
>> I did this recently but also changed the hostname and upgraded
>> from 4.2.3 to 4.3.10 at the same time and had trouble with the
>> graphs. Any obvious gotchas to look out for there?
> 
> RRD-files are architecture-specific in format, so if you go from
> e.g. a 32-bit system to 64-bit you will need to convert all of your
> rrd-files.
> 
> If your Xymon server changes IP, then you'll need to reconfigure
> all of the clients reporting to the server. Plus any firewall
> changes that might incur.
> 
> Other that that, doing a new install on the new server and then
> copying all of the data- and configuration-files across should work
> fine.
> 
> 
> Regards, Henrik
> 
> _______________________________________________ Xymon mailing list 
> Xymon at xymon.com http://lists.xymon.com/mailman/listinfo/xymon

we just migrated from Hobbit 4.2.0 running on Debian Lenny to Xymon
4.3.10 on a new machine with Debian Squeeze and had to dump and
restore a lot of rrd databases since there is also a Cacti
installation on the same server.

There was one gotcha that took us some time: the language variables on
the two machines were set to different values and our restored rrds
got mangled with wrong min/max values. To avoid this you can simply
set the LANG Variable when dumping and restoring. We used the
following commands:

on the old machine:
cd /var/lib/hobbit/rrd && for i in `find ./ -type f -name "*.rrd"`;do
LANG=C rrdtool dump "$i" "$i.xml";done

transfer the xml files to the new machine

on the new machine:
cd /var/lib/xymon/rrd && for i in `find ./ -type f -name "*.rrd.xml"`;
do LANG=C rrdtool restore "$i" ${i%.xml};done

Regards,
Peter


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Dr. Peter Kache
Systemintegration

getit GmbH
Emil-Figge-Straße 76-80
44227 Dortmund

Tel: +49.231.9742.300
Fax: +49.231.9742.356
http://www.getit.de

Amtsgericht Dortmund, HRB-Nr. 13836

Geschäftsführung:
Dr. Thomas Krämerkämper (Vorsitzender)
Christoph Hecker

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