On Tue, 22 Jul 2014, Riccardo Murri wrote: > Hello, > > a few questions on Ceph's current support for Infiniband > > (A) Can Ceph use Infiniband's native protocol stack, or must it use > IP-over-IB? Google finds a couple of entries in the Ceph wiki related > to native IB support (see [1], [2]), but none of them seems finished > and there is no timeline. > > [1]: https://wiki.ceph.com/Planning/Blueprints/Emperor/msgr%3A_implement_infiniband_support_via_rsockets > [2]: http://wiki.ceph.com/Planning/Blueprints/Giant/Accelio_RDMA_Messenger This is work in progress. We hope to get basic support into the tree in the next couple of months. > (B) Can we connect to the same Ceph cluster from Infiniband *and* > Ethernet? Some clients do only have Ethernet and will not be > upgraded, some others would have QDR Infiniband -- we would like both > sets to access the same storage cluster. This is further out. Very early refactoring to make this work in wip-addr. > (C) I found this old thread about Ceph's performance on 10GbE and > Infiniband: are the issues reported there still current? > > http://comments.gmane.org/gmane.comp.file-systems.ceph.devel/6816 No idea! :) sage > > > Thanks for any hint! > > Riccardo > > -- > Riccardo Murri > http://www.s3it.uzh.ch/about/team/ > > S3IT: Services and Support for Science IT > University of Zurich > Winterthurerstrasse 190, CH-8057 Z?rich (Switzerland) > Tel: +41 44 635 4222 > Fax: +41 44 635 6888 > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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