Thanks Wes and Josh for your answers. So, for more production-like environments and more tested procedures in case of failures the default replication seems to be the way to go. Perhaps in next release we will add a storage node with EC.
Thanks, On Fri, Sep 16, 2016 at 7:25 AM, Wes Dillingham <wes_dilling...@harvard.edu> wrote: > Erick, > > You can use erasure coding but it has to be fronted by a replicated cache > tier, or so states the documentation, I have never set up this > configuration, and always opt to use RBD directly on replicated pools. > > https://access.redhat.com/documentation/en/red-hat-ceph- > storage/1.3/paged/storage-strategies/chapter-31-erasure- > coded-pools-and-cache-tiering > > On Fri, Sep 16, 2016 at 1:15 AM, Josh Durgin <jdur...@redhat.com> wrote: > >> On 09/16/2016 09:46 AM, Erick Perez - Quadrian Enterprises wrote: >> >>> Can someone point me to a thread or site that uses ceph+erasure coding >>> to serve block storage for Virtual Machines running with Openstack+KVM? >>> All references that I found are using erasure coding for cold data or >>> *not* VM block access. >>> >> >> Erasure coding is not supported by RBD currently, since EC pools only >> support append operations. There's work in progress to make it >> possible, by allowing overwrites for EC pools, but it won't be usable >> until at earliest Luminous [0]. >> >> Josh >> >> [0] http://tracker.ceph.com/issues/14031 >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> > > > > -- > Respectfully, > > Wes Dillingham > wes_dilling...@harvard.edu > Research Computing | Infrastructure Engineer > Harvard University | 38 Oxford Street, Cambridge, Ma 02138 | Room 210 > > -- --------------------- Erick Perez Soluciones Tacticas Pasivas/Activas de Inteligencia y Analitica de Datos para Gobiernos Quadrian Enterprises S.A. - Panama, Republica de Panama Skype chat: eaperezh WhatsApp IM: +507-6675-5083 POBOX 0819-12679, Panama Tel. (507) 391.8174 / (507) 391.8175
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