From: "Matt W. Benjamin" <matt@linuxbox.com>
To: Brian Chrisman <brchrisman@gmail.com>
Cc: Sage Weil <sage@newdream.net>, ceph-devel@vger.kernel.org
Subject: Re: userland nfs server
Date: Fri, 29 Jul 2011 15:05:46 -0400 (EDT) [thread overview]
Message-ID: <1459789254.140.1311966346661.JavaMail.root@thunderbeast.private.linuxbox.com> (raw)
In-Reply-To: <CAN4=B2n6NyFj1TBU52+4cdwEfh+q_fkZf_rUwUd7c1xZJwFqRQ@mail.gmail.com>
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@gmail.com> wrote:
> On Fri, Jul 29, 2011 at 9:30 AM, Matt W. Benjamin <matt@linuxbox.com>
> 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@newdream.net> 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@vger.kernel.org
> >> 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@vger.kernel.org
> > 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@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2011-07-29 19:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1766745211.75.1311956818895.JavaMail.root@thunderbeast.private.linuxbox.com>
2011-07-29 16:30 ` userland nfs server Matt W. Benjamin
2011-07-29 17:21 ` Brian Chrisman
2011-07-29 18:43 ` Brian Chrisman
2011-07-29 19:05 ` Matt W. Benjamin [this message]
2011-07-29 21:48 ` Brian Chrisman
2011-08-01 18:15 ` Brian Chrisman
[not found] ` <307037456.76.1312223424767.JavaMail.root@thunderbeast.private.linuxbox.com>
2011-08-01 18:38 ` Fwd: " Adam C. Emerson
2011-08-30 22:02 ` Sage Weil
2011-08-30 22:07 ` Matt W. Benjamin
2013-05-01 23:19 ` Koffi Nogbe
2013-05-01 23:40 ` Matt W. Benjamin
2011-07-29 16:15 Sage Weil
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