>> however for geographic distributed datacentres specially when network >> flactuate how to handle that as i read it seems CEPH need big pipe of >> network
>Ceph isn't really suited for WAN-style distribution. Some users have >high-enough and consistent-enough bandwidth (with low enough latency) >to do it, but otherwise you probably want to use Ceph within the data >centers and layer something else on top of it. Indeed. Ceph is not aware of WAN links. So reads and writes will be done remotely even if there is a copy locally. Bandwidth might not be much of an issue but latency certainly will be. Although bandwidth during a rebalance of data might also be problematic... Cheers, Robert van Leeuwen _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
