[Gluster-users] Node count constraints with EC?

[Ashish Pandey]

Good point Cedric!! 
The only thing is that, I would prefer to say "bricks" instead of "nodes" in your statement. 

"starting with 4 bricks (3+1) can only evolve by adding 4 bricks (3+1)" 

----- Original Message -----

From: "Cedric Lemarchand" <yipikai7 at gmail.com> 
To: "Terry McGuire" <tmcguire at ualberta.ca> 
Cc: gluster-users at gluster.org 
Sent: Thursday, March 30, 2017 11:57:27 AM 
Subject: Re: [Gluster-users] Node count constraints with EC? 


> Le 29 mars 2017 à 20:29, Terry McGuire <tmcguire at ualberta.ca> a écrit : 
> 
> I was thinking I’d spread these over 4 nodes, and add single nodes over time, with subvolumes rearranged over new nodes to maintain protection from whole node failures. 

Also keep in mind that dispersed cluster can only be expanded by the number of initial nodes, eg starting with 4 nodes 3+1 can only evolve by adding 4 nodes 3+1, you cannot change the default policy 3+1 to 4+1. So the granularity of the evolution of the cluster is fixed at the beginning. 

Cheers 
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