On Wed, 29 Oct 2014, Kenneth Waegeman wrote: > Hi, > > We are looking to use ZFS for our OSD backend, but I have some questions. > > My main question is: Does Ceph already supports the writeparallel mode for ZFS > ? (as described here: > http://www.sebastien-han.fr/blog/2013/12/02/ceph-performance-interesting-things-going-on/) > I've found this, but I suppose it is outdated: > https://wiki.ceph.com/Planning/Blueprints/Emperor/osd%3A_ceph_on_zfs All of the code is there, but it is almost completely untested. > Should Ceph be build with ZFS support? I found a --with-zfslib option > somewhere, but can someone verify this, or better has instructions for it?:-) > > What parameters should be tuned to use this? > I found these : > filestore zfs_snap = 1 Yes > journal_aio = 0 > journal_dio = 0 Maybe, if ZFS doesn't support directio or aio. Curious to hear how it goes! Wouldn't recommend this for production though without significant testing. sage > > Are there other things we need for it? > > Many thanks!! > Kenneth > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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