On 05/12/2014 01:17 PM, McNamara, Bradley wrote: > The underlying file system on the RBD needs to be a clustered file system, like OCFS2, GFS2, etc., and a cluster between the two, or more, iSCSI target servers needs to be created to manage the clustered file system. Looks like we aren't sure what the OP wanted multiple servers for: - serving one image to multiple clients (in which case all of the above plus more applies), or - failover setup with one image/one client (in which case you could usually go active/passive and not care about concurrency and all its tentacles). Andrei? -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 255 bytes Desc: OpenPGP digital signature URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20140512/26ba73cf/attachment.pgp>