Re: Is Ceph right for me?

[Shane Gibson <Shane_Gibson@xxxxxxxxxxxx>]

Alternatively you could just use GIT (or some other form of versioning system) ... host your code/files/html/whatever in GIT.  Make changes to the GIT tree - then you can trigger a git pull from your webservers to local filesystem.  

This gives you the ability to use branches/versions to control your webserver content - and you can easily "roll back" to a previous version if you need to.  You can create a "dev" branch and make changes to it, host it on a test web server ... approved, then push the changes to the "master" branch and trigger the refresh on the web servers. 

~~shane 

On 6/11/15, 11:28 AM, "Lionel Bouton" <lionel+ceph@xxxxxxxxxxx> wrote:

On 05/20/15 23:34, Trevor Robinson - Key4ce wrote:

Hello,

 

Could somebody please advise me if Ceph is suitable for our use?

 

We are looking for a file system which is able to work over different locations which are connected by VPN. If one locations was to go offline then the filesystem will stay online at both sites and then once connection is regained the latest file version will take priority.

CephFS won't work well (or at all when the connections are lost). The only part of Ceph which would work is RGW replication but you don't get a filesystem with it and I'm under the impression that a multi-master replication might be tricky (to be confirmer).

Coda's goals seems to match your needs. I'm not sure if it's still actively developped (there is a client distributed with the Linux kernel though).
http://www.coda.cs.cmu.edu/

Last time I tried it (several years ago) it worked well enough for me.

 

The main use will be for website files so the changes are most likely to be any uploaded files and cache files as a lot of the data will be stored in a SQL database which is already replicated.

If your setup is not too complex, you might simply handle this with rsync or unison.

Best regards,

Lionel

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