[Gluster-users] Adding new storage nodes to existing GlusterFS network

Craig Carl craig at gluster.com
Wed Sep 22 14:51:44 UTC 2010


Roland - 
You can find the scale-n-defrag script here - http://ftp.gluster.com/pub/gluster/glusterfs/misc/defrag/ , be sure to edit the script first, instructions are inline. 



Please let us know if you have any other questions. 

Thanks, 

Craig 

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Craig Carl 













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From: "Roland Rabben" <roland at jotta.no> 
To: gluster-users at gluster.org 
Sent: Wednesday, September 22, 2010 7:48:23 AM 
Subject: Re: [Gluster-users] Adding new storage nodes to existing GlusterFS network 

Hi James, 
thanks for the answer I will try this tomorrow. I am adding the new servers 
for capacity increase. 

Do you have any idea how to rebalance old files? 

Regards 
Roland Rabben 

2010/9/22 Burnash, James <jburnash at knight.com> 

> Hi Roland. 
> 
> The short answer is - I'm not sure because I'm in the midst of doing this 
> myself, but my setup is just Replicated. 
> 
> I believe that you can do what you said with the clients because they are 
> the only entities with knowledge of what servers are in the backend, so 
> adding new servers to their configs and restarting those clients should work 
> just fine, assuming you get the replication/distributed part of their 
> configs correct. 
> 
> The one thing is, from what I understand, no rebalancing of old files will 
> take place on the new servers automatically - that's a manual procedure - 
> but any new files written by the clients will be hashed out to all servers - 
> including the new ones. 
> 
> Just for my information - did you add the extra servers for capacity / 
> redundancy / performance increases? 
> 
> James Burnash, Unix Engineering 
> 
> -----Original Message----- 
> From: gluster-users-bounces at gluster.org [mailto: 
> gluster-users-bounces at gluster.org] On Behalf Of Roland Rabben 
> Sent: Wednesday, September 22, 2010 7:37 AM 
> To: gluster-users at gluster.org 
> Subject: Re: [Gluster-users] Adding new storage nodes to existing GlusterFS 
> network 
> 
> Anyone who know this? 
> 
> Regards 
> Roland Rabben 
> 
> 2010/9/21 Roland Rabben <roland at jotta.no> 
> 
> > Hi, this is probably a newbee question, but here goes. 
> > 
> > I am adding two new servers to my existing GlusterFS network and I am 
> > wondering what the correct procedure is. 
> > I am using a Distributed / Replicated setup. My existing network has 
> > two servers. 
> > 
> > Do I need to take down the whole network with client and servers? 
> > Can I just unmount the client, update the client config file and then 
> > mount the client again with the new servers? 
> > Will new files be written to the new servers only, or both the new and 
> old? 
> > 
> > Best regards 
> > 
> > Roland Rabben 
> > Founder & CEO Jotta AS 
> > Cell: +47 90 85 85 39 
> > Phone: +47 21 04 29 00 
> > Email: roland at jotta.no 
> > 
> 
> 
> 
> -- 
> Roland Rabben 
> Founder & CEO Jotta AS 
> Cell: +47 90 85 85 39 
> Phone: +47 21 04 29 00 
> Email: roland at jotta.no 
> 
> 
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-- 
Roland Rabben 
Founder & CEO Jotta AS 
Cell: +47 90 85 85 39 
Phone: +47 21 04 29 00 
Email: roland at jotta.no 

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