[Gluster-devel] [PATCH] Enable replica 1 mirror creation for mirrored volumes

Sun May 29 23:31:45 UTC 2011

Avati - 
   This type of functionality is incredibly useful from an IT operations POV, my thinking is it would make migrating from a distribute only to a distribute-replica volume easier. 

Craig 

----- Original Message -----
From: "Anand Avati" <anand.avati at gmail.com>
To: landman at scalableinformatics.com
Cc: "Gluster Devel" <gluster-devel at nongnu.org>
Sent: Saturday, May 28, 2011 8:12:18 AM
Subject: Re: [Gluster-devel] [PATCH] Enable replica 1 mirror creation for mirrored volumes

Joe, 
Can you shed some more light on the use case? What purpose is the replicate translator serving without the second server? In what way is this more beneficial than loading the replicate translator only when the second server is introduced to the system? 

Avati 

On Sat, May 28, 2011 at 7:11 PM, Joe Landman < landman at scalableinformatics.com > wrote: 

This patch to the cli enables a very simple replica 1 mirror creation (similar to the "missing" attribute for mdadm RAID1 creation). 

It will likely need additional supporting work in add-brick so that incomplete mirrors are assembled correctly for distributed-replicated cases. 

Building/Assembling an incomplete mirror is an important capability needed for a number of use cases. 

-- 
Joseph Landman, Ph.D 
Founder and CEO 
Scalable Informatics, Inc. 
email: landman at scalableinformatics.com 
web : http://scalableinformatics.com 
http://scalableinformatics.com/sicluster 
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