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10-26-2011 02:53 AM
10-26-2011 02:53 AM
Quorum best pratices on 4 node cluster
Hi,
I have a customer with 3 nodes in the same cluster, on the same location.
What are best pratices when inserting a 4th node? Should I use all of them as managers and put up a failover manager.
Or should I just use 3 as managers ?
What are pros and cons?
Greetings,
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10-26-2011 11:13 AM
10-26-2011 11:13 AM
Re: Quorum best pratices on 4 node cluster
Hi,
you should use 4 physical + FOM = 5 managers...
2 Nodes can fail (e.g. seperatet in 2 locations).
I don't think using 3 physical + FOM is supportet because it should be an odd number of managers...
But when you add the node, the best practice analyser will tell you what to do :)
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10-26-2011 11:16 AM
10-26-2011 11:16 AM
Re: Quorum best pratices on 4 node cluster
Hi,
Indeed a FOM is only possible and supported with 2 or 4 nodes... In the other cases you cannot add a FOM inthe cluster...
And you need in normal conditions 3 or 5 managers...
Kr,
Bart
If my post was useful, clik on my KUDOS! "White Star" !
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10-27-2011 09:44 PM
10-27-2011 09:44 PM
Re: Quorum best pratices on 4 node cluster
I would use 3 managers if these are in one site.
5 Managers are awfully chatty and really dont provide much more of a benifit.