Thanks for the information Mike, I would initially test with GlusterFS. On Thu, Sep 18, 2014 at 8:19 PM, Mike Smith <mism...@overstock.com> wrote:
> We run GFS2 for our shared instances volume and it has worked very well > for us. We leverage CLVM and fiber connected SAN LUNs on the backend in > order to do that. It's great for live migrations, etc. > > I'm told that GFS2 performance degrades significantly once you mount the > filesystem on more than about 16 nodes. We are planning on moving to > GlusterFS or Ceph in the future for a couple of reasons: > > - Ceph and Cluster scale-out more linearly > - We want to use more commodity-type hardware in remote data centers > - We don't any want cluster/quorum related issues to take down the shared > storage > > > > Mike Smith > Principal Engineer, Website Systems > Overstock.com > > > ------------------------------ > *From:* yasith tharindu [yasithu...@gmail.com] > *Sent:* Thursday, September 18, 2014 4:06 AM > *To:* Robert van Leeuwen > *Cc:* openstack@lists.openstack.org > *Subject:* Re: [Openstack] What is the best network architecture for > Openstack > > Thanks for the reply Robert; > > Does GFS is stable now ? Are there Openstack production setups runs with > GFS? > > On Thu, Sep 18, 2014 at 12:17 PM, Robert van Leeuwen < > robert.vanleeu...@spilgames.com> wrote: > >> > We have four servers and one SAS data store for the openstack >> deployment. All servers have SAS >> > interfaces. We are going to put one controller node and 3 compute >> nodes. We need to run the system with >> > live migration enabled. >> > >> > Is there are other options available to use the Compute nodes SAS >> interfaces too but live migration needed also >> > enabled. >> >> The only way to directly access the same data on the SAS data store would >> be by running a clustered filesystem. (e.g. GFS) >> Clustered filesystems are quite a bit more complex then regular >> filesystems so I'm not sure if that would be the preferred route though. >> >> >> Cheers, >> Robert van Leeuwen >> >> >> >> >> >> >> > > > -- > Thanks.. > Regards... > > Blog: http://www.yasith.info > Twitter : http://twitter.com/yasithnd > LinkedIn : http://www.linkedin.com/in/yasithnd > GPG Key ID : *57CEE66E* > > ------------------------------ > > CONFIDENTIALITY NOTICE: This message is intended only for the use and > review of the individual or entity to which it is addressed and may contain > information that is privileged and confidential. If the reader of this > message is not the intended recipient, or the employee or agent responsible > for delivering the message solely to the intended recipient, you are hereby > notified that any dissemination, distribution or copying of this > communication is strictly prohibited. If you have received this > communication in error, please notify sender immediately by telephone or > return email. Thank you. > -- Thanks.. Regards... Blog: http://www.yasith.info Twitter : http://twitter.com/yasithnd LinkedIn : http://www.linkedin.com/in/yasithnd GPG Key ID : *57CEE66E*
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