Am 19.02.2014 12:01, schrieb Pavel V. Kaygorodov: > Is it possible to do this with ceph? > If yes, how to configure this? I think this can be achieved through multiple CRUSH rulesets. There is an example in the docs which explains how to differentiate between SSD and non-SSD storage: http://ceph.com/docs/master/rados/operations/crush-map/#placing-different-pools-on-different-osds The principles shown here can possibly adapted to you use case. Regards Christian -- Dipl.-Inf. Christian Kauhaus <>< · kc@xxxxxxxxxx · systems administration gocept gmbh & co. kg · Forsterstraße 29 · 06112 Halle (Saale) · Germany http://gocept.com · tel +49 345 219401-11 Python, Pyramid, Plone, Zope · consulting, development, hosting, operations _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com