> Hello, > So, if your cluster nodes are running virtualized with Qemu/KVM, you can > present them a virtual SCSI drive, from the same RBD image. > It will be like a shared FC SCSI SAN LUN. > You would want to be absolutely sure that neither qemu or rbd was doing any sort of caching though for this to work in principle. For CSV qemu would need to support some SCSI protocols to do with reservation and these will not be supported by qemu (or if they are, it will be a stub). Even for just using failover you probably need this support. The cluster validation tool will tell you this pretty quick. Use iSCSI. James _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com