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Re: [Gluster-devel] [PATCH] Enable replica 1 mirror creation for mirrore

From: Craig Carl, Gluster
Subject: Re: [Gluster-devel] [PATCH] Enable replica 1 mirror creation for mirrored volumes
Date: Sun, 29 May 2011 18:31:45 -0500 (CDT)

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. 


----- Original Message -----
From: "Anand Avati" <address@hidden>
To: address@hidden
Cc: "Gluster Devel" <address@hidden>
Sent: Saturday, May 28, 2011 8:12:18 AM
Subject: Re: [Gluster-devel] [PATCH] Enable replica 1 mirror creation for 
mirrored volumes

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? 


On Sat, May 28, 2011 at 7:11 PM, Joe Landman < address@hidden > 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: address@hidden 
web : 
phone: +1 734 786 8423 x121 
fax : +1 866 888 3112 
cell : +1 734 612 4615 

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