Cacti RRDTool versions

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ghoule
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Cacti RRDTool versions

Post by ghoule »

If this has already been posted, I apologize. We are currently running cacti version 0.8.6c with rrdtool version 1.0.50. We plan on implementing holt-winters forcasting in the near future and want to upgrade rrdtool to 1.2.x. Are there any known problems between the version of cacti we are running and the 1.2 series of rrdtool?

Thanks,
Gary
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gandalf
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Post by gandalf »

Personally, we are running this since some months without problems. Following has been reported but not investigated by me:
- complex graph statements should perform better (lots better, if REALLY complex)
- output is bigger in size, especially when it comes to advanced features (fonts, slope mode, ...)
- graph syntax has changed a bit. cacti cares for that, but if you have some home-grown rrdtool utilities, you may have to pay attention
Additionally, I've encountered following facts:
- rrdtool 1.0.x produces a file format of type 0001, wheras 1.2.x produces 0003
- rrdtool 1.2 can read type 0001 formats, but the other way round won't work
- rrdtool 1.2 incorporates lots of nice and useful extensions apart from Holt-Winters (which will be incorporated into cacti starting with 0.9)

I recommend at least rrdtool 1.2.12
Reinhard
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rony
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Post by rony »

You need to upgrade your Cacti version to support RRDtool 1.2.
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gandalf
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Post by gandalf »

rony wrote:You need to upgrade your Cacti version to support RRDtool 1.2.
Oops, sorry, I forgot. Yes uograding is really recommended. Lots of new features and bug fixes ...
Reinhard
ghoule
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Post by ghoule »

So 0.8.6c is not compatible with 1.2? Are there any concerns with going from 0.8.6c to 0.8.6h?
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gandalf
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Post by gandalf »

Upgrading is supported by cacti's automatic upgrading mechanism. And as stated above, rrdtool 1.2.x requires some changes in the generated commands. So please upgrade cacti first. Then upgrade rrdtool. Last, don't forget to change the new RRDTOOL Utility Version item of Settings
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rony
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Post by rony »

For RRDTool 1.2.x support, you need to at least go to 0.8.6d. But there where a lot of security fixes, ultimatly I would suggest 0.8.6h.

And just to throw a wrench in this discussion, 0.8.6i should be coming out end of this month, being of next month. :)
[size=117][i][b]Tony Roman[/b][/i][/size]
[size=84][i]Experience is what causes a person to make new mistakes instead of old ones.[/i][/size]
[size=84][i]There are only 3 way to complete a project: Good, Fast or Cheap, pick two.[/i][/size]
[size=84][i]With age comes wisdom, what you choose to do with it determines whether or not you are wise.[/i][/size]
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