[rrd-users] Re: How to replicate rrdtool databases?

[Alex van den Bogaerdt]

On Fri, Dec 13, 2002 at 06:01:50PM +0100, Markus Schaub wrote:

> My current idea is a patch at the RRD calls in mrtg which
> writes the arguments of the RRDs::update statements to
> a file. This file is then copied onto the presenter and there
> a simple perl script reads the file and executes the RRD:update
> commands to keep the slave copy in sync.

Will probably work.  Of course you have to write a time stamp
with each of the update commands.  Do not use "N" as the current
time.

> Regular transfers of the complete rrd file (one a day) would
> ensure the copies stay in sync.

Shouldn't be necessary.  A check won't hurt but your update
process should be able to update the slave copy just the same
as the master copy is.

> What do you think about this? Will this work or did I
> miss any potential problems or is there an easier solution?

I do recall a discussion on this list about an updater over
the network.  You may want to look at it, perhaps it works
for you?

Alex
-- 
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solving problems than making others feel warm and fuzzy.

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