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
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