Re: [gomd-devel] <DAEMON>: (updated) .plan

[Matthias Rechenburg]

Hey JP,

On Donnerstag 04 September 2003 21:48, Gian Paolo Ghilardi wrote:
> Hi all.
>
> First of all, I've just reworked the shell output format (more readable,
> IMHO).

:)

>
> BTW I'm studying (yes: studying) to implement the Black Hole Detection.
> As I don't like simple treesholds (because they are "aseptic" and prone to
> false positives), I'd like to build a small and quick Fuzzy Logic engine to
> get the _real_ status of the cluster including malfunctioning nodes
> detection (aka "black holes").

ok, could you explain a bit more about those rulez, threshholds and black 
holes ;) Couldn't we just simply not count the values got from a 
malfunction node ? ..... i am not sure i fully got it.

> FL is not so difficult => we've only to define rules (based on a small,
> finite set of selected parameters) instead of using value-based
> threesholds. We have a finite number of rules to control the whole BHD
> mechanism.
>
> As this is my first attempt with FL, I can guarantee nothing but I'd like
> to walk this way... :)

go ahead :)

>
> Param that can be used:
> - cpu, hdd, chipset temperatures (via lmsensors)
> - load status
> - SMART status (hdd integrity check)
> - ...
>
> Any comment/help/suggestion is welcome.

will be out today, hopefully find some time for testing tomorrow.
More comments then  ;))

>
> Byez.
>
> <rejected>
>
>
> << CVS NOTES >>
>
> IN *.cpp
> (+) cosmetics => reworked shell output format
>
>
>
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all the best,

Matt
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