Re: [Openstack] Concurrent Access to Volume

2015-01-21 Thread Georgios Dimitrakakis
Nice to hear that! All the best, G. Multi-attach support is being added to Cinder for Kilo: https://review.openstack.org/#/c/85847/ [11] Once that gets merged, you will be able to access a volume from multiple VMs. How you handle the concurrent access in the guests is up to you (OCFS2, Lustre,

Re: [Openstack] Concurrent Access to Volume

2015-01-21 Thread Avishay Traeger
Multi-attach support is being added to Cinder for Kilo: https://review.openstack.org/#/c/85847/ Once that gets merged, you will be able to access a volume from multiple VMs. How you handle the concurrent access in the guests is up to you (OCFS2, Lustre, etc.) Thanks, Avishay On Wed, Jan 21, 2015

Re: [Openstack] Concurrent Access to Volume

2015-01-21 Thread Zeeshan Ali Shah
I think you should use lustre instead of ceph if you want above. /Zee On Wed, Jan 21, 2015 at 8:45 PM, Georgios Dimitrakakis wrote: > Christian, > > thanks a lot for your suggestion! > > Manila seems very promising. > > Is anybody using manila?? > Is it stable enough? > > Best, > > George > >

Re: [Openstack] Concurrent Access to Volume

2015-01-21 Thread Georgios Dimitrakakis
The think is that CEPH already exists while Lustre would mean a new installation of it from scratch. Best, George I think you should use lustre instead of ceph if you want above. /Zee On Wed, Jan 21, 2015 at 8:45 PM, Georgios Dimitrakakis wrote: Christian, thanks a lot for your suggest

Re: [Openstack] Concurrent Access to Volume

2015-01-21 Thread Georgios Dimitrakakis
Christian, thanks a lot for your suggestion! Manila seems very promising. Is anybody using manila?? Is it stable enough? Best, George On 01/21/2015 12:59 AM, Georgios Dimitrakakis wrote: For my project it is important to provide concurrent access to a mounted volume from different VMs.

Re: [Openstack] Concurrent Access to Volume

2015-01-21 Thread Christian Berendt
On 01/21/2015 12:59 AM, Georgios Dimitrakakis wrote: > For my project it is important to provide concurrent access to a > mounted volume from different VMs. > > The access must be read/write. In order to do so I am thinking of using > a clustered filesystem like OCFS2 on top of CEPH. > > D

Re: [Openstack] Concurrent Access to Volume

2015-01-21 Thread Erik McCormick
This is not currently supported. There are 2 blueprint addressing this need, but neither appears headed for a Kilo release. You'll need to export the volume through NFS or something. Here is a page on it and the links are there to the blueprints. https://wiki.openstack.org/wiki/Cinder/blueprints/