Hi Brian, FSAL_CEPH doesn't involve the kernel client, rather an incidentally modified libceph and libRADOS--it's linked into Ganesha, not using POSIX. Writing directly to OSDs is part of the pNFS parallel access strategy. Matt ----- "Brian Chrisman" <brchrisman@xxxxxxxxx> wrote: > On Fri, Jul 29, 2011 at 9:30 AM, Matt W. Benjamin <matt@xxxxxxxxxxxx> > wrote: > > Hi Sage, > > > > We (Linux Box) have built and published a native FSAL for Ceph, > which is pretty advanced, and we've submitted the FSAL driver code > upstream for review Philippe Deniel. > > Looking at the FSAL_CEPH, is this expecting the filesystem to be > mounted via the ceph kernel client? Have you considered building out > an FSAL using libceph as opposed as to writing directly to OSDs > (assumedly via libRADOS or librbd). > > > > > In addition, we're working on pNFS support in Ganesha and Ceph, and > have a prototype file-based pNFS layout driver for the FSAL that takes > advantage of Ceph OSDs for parallel IO. > > > > We're actively extending these efforts and there should be some > publication forthcoming. > > > > We have an external git repository here: > > > > git://github.com/aemerson-linuxbox/ganesha.git > > > > We would really appreciate your feedback--and guidance on how to > participate in Ceph, we'd like to. > > > > Matt > > > > ----- "Sage Weil" <sage@xxxxxxxxxxxx> wrote: > > > >> Has anyone looked at Genesha? > >> > >> http://sourceforge.net/apps/trac/nfs-ganesha/ > >> > >> In principle it would probably be pretty straightforward to wire > that > >> up > >> to libceph and avoid the kernel NFS server for reexporting ceph > via > >> NFS... > >> > >> sage > >> -- > >> To unsubscribe from this list: send the line "unsubscribe > ceph-devel" > >> in > >> the body of a message to majordomo@xxxxxxxxxxxxxxx > >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > > > > Matt Benjamin > > > > The Linux Box > > 206 South Fifth Ave. Suite 150 > > Ann Arbor, MI 48104 > > > > http://linuxbox.com > > > > tel. 734-761-4689 > > fax. 734-769-8938 > > cel. 734-216-5309 > > -- > > To unsubscribe from this list: send the line "unsubscribe > ceph-devel" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- Matt Benjamin The Linux Box 206 South Fifth Ave. Suite 150 Ann Arbor, MI 48104 http://linuxbox.com tel. 734-761-4689 fax. 734-769-8938 cel. 734-216-5309 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
