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List:       linux-ha
Subject:    Re: [Linux-HA] constraints or groups
From:       Dominik Klein <dk () in-telegence ! net>
Date:       2008-07-31 6:21:09
Message-ID: 489159D5.10902 () in-telegence ! net
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Maddin HA wrote:
> Hi folks,
> 
> we have a small discussion at our workplace where we talk about using a lot
> of constraints (coloc's, orders) or simply using groups for combined
> resources.
> 
> Now I wanna ask the ha-geeks :) 
> 
> What is in your opinion the better way? Groups or constraints?
> 
> Cheers maddin

Groups are just a syntax shortcut. They work the same way as properly 
ordered and colocated resources. Debugging messed up constraints with a 
growing number of resources can be a pain so having to debug less 
configuration lines (use groups) is my way to go.

One limitation though: Groups may only contain primitives.

Regards
Dominik
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