So is there any blueprint for this feature? Best Regards -- Ray
On Tue, Oct 29, 2013 at 1:48 PM, Razique Mahroua <razique.mahr...@gmail.com>wrote: > That’s is, OpenStack is not aware yet of the backend that servers the > /var/lib/nova/instances directory ; not that I’m aware of :) > - Razique > > On Oct 28, 2013, at 22:35, Ray Sun <xiaoq...@gmail.com> wrote: > > Thanks for all your response. > > So libvirt can support ISCSI LUN, but OpenStack didn't provide such > options yet? > > Best Regards > -- Ray > > > On Tue, Oct 29, 2013 at 1:11 AM, Razique Mahroua < > razique.mahr...@gmail.com> wrote: > >> The only thing is that you need to create the volumes on your ISCSI >> backend first, so libvirt can use them, otherwise as a shared storage, >> works fine. ISCSI always gave me nice speeds compared to NFS >> >> On Oct 28, 2013, at 10:04, Chris Friesen <chris.frie...@windriver.com> >> wrote: >> >> > That works for one client. How do you synchronize access between >> multiple clients? >> > >> > Also, for iSCSI it looks like libvirt can't create/delete volumes, that >> needs to be done on the server. >> > >> > Chris >> > >> > On 10/28/2013 10:49 AM, Razique Mahroua wrote: >> >> Libvrit does support ISCSI LUN as backends, meaning you can mount the >> ISCSI block on every compute node and you should be fine >> >> - Razique >> >> >> >> On Oct 28, 2013, at 8:54, Chris Friesen <chris.frie...@windriver.com> >> wrote: >> >> >> >>> On 10/28/2013 09:35 AM, Ray Sun wrote: >> >>>> Daniel, >> >>>> Thanks for you response. But I am still confusing about use a iscsi >> >>>> device, if I want to use it as shared storage, first I need to >> attach to >> >>>> a node as a block storage, then I mount it to other compute nodes >> using >> >>>> NFS. The problem is that this will make a big lost on performance. >> >>>> Currently nova already support to create a new VM on ceph RBD, but >> why >> >>>> we can not create it on a block storage? >> >>> >> >>> ceph and NFS are both designed for simultaneous access by multiple >> clients. >> >>> >> >>> iSCSI is not. >> >>> >> >>> Chris >> >>> >> >>> >> >>> _______________________________________________ >> >>> Mailing list: >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> >>> Post to : openstack@lists.openstack.org >> >>> Unsubscribe : >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> >> >> > >> >> >> _______________________________________________ >> Mailing list: >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> Post to : openstack@lists.openstack.org >> Unsubscribe : >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> >> > >
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