[Gluster-users] question about replicate volume

[Ravishankar N]

On 02/24/2016 07:16 AM, songxin wrote:
> Hi all,
> I have a question about replicate volume as below.
>
> precondition：
> 1.A node ip: 128.224.162.163
> 2.B node ip:128.224.162.255
> 3.A node brick:/data/brick/gv0
> 4.B node brick:/data/brick/gv0
>
> reproduce step:
> 1.gluster peer probe 128.224.162.255  //run on A node
> 2.gluster volume create gv0 128.224.162.163:/data/brick/gv0 force     
>           //run on A node
> 3.gluster volume start gv0  //run on A node
> 4.mount -t glusterfs 128.224.162.163:/gv0 gluster //run on A node
> 5.create some file(a,b,c) in directory gluster //run on A node
> 6.gluster volume add-brick gv0 replica 2 
> 128.224.162.255:/data/brick/gv0 force  //run on A node
> 7.create some file(d,e,f) in directory gluster //run on A node
> 8.mount -t glusterfs 128.224.162.163:/gv0 gluster //run on B node
> 9.ls gluster //run on B node
>
> My question is as below.
>
> After step 6, the volume type is change from distribute to replicate.
> The file (a,b,c) is created when the volume type is distribute.
> The file (d,e,f) is created when the volume type is replicate.
>
> After step 6, does the volume will replicate the file (a,b,c) in two 
> brick?Or it just replicate the file(d,e,f) in two brick?
> If I run "gluster volume heal gv0 full", does the volume will 
> replicate the file (a,b,c) in two brick?
>
All files before adding the new brick must be replicated into the new 
brick  after heal full. Anuradha's patches to automatically heal files 
as a part of add-brick command (without the need to manually run full 
heal) will be in 3.8. Meanwhile, these  steps should help in triggering 
heals:

https://www.mail-archive.com/gluster-users@gluster.org/msg23293.html

> Thanks,
> Xin
>
>
>
>
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