Re: [PATCH] Enable replica 1 mirror creation for mirrored volumes

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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@xxxxxxxxx>
To: landman@xxxxxxxxxxxxxxxxxxxxxxx
Cc: "Gluster Devel" <gluster-devel@xxxxxxxxxx>
Sent: Saturday, May 28, 2011 8:12:18 AM
Subject: Re: [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@xxxxxxxxxxxxxxxxxxxxxxx > 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@xxxxxxxxxxxxxxxxxxxxxxx 
web : http://scalableinformatics.com 
http://scalableinformatics.com/sicluster 
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