ceph-fuse mount options

ceph-fuse mount options

[Jimmy Tang]

Hi All,

I know that cephfs has the option picking which pools to use, will ceph-fuse be gaining this feature at any point in the future? Or is this feature available but isn't documented?

Regards,
Jimmy Tang

--
Senior Software Engineer, Digital Repository of Ireland (DRI)
Trinity Centre for High Performance Computing,
Lloyd Building, Trinity College Dublin, Dublin 2, Ireland.
http://www.tchpc.tcd.ie/

Re: ceph-fuse mount options

[Gregory Farnum]

On Fri, Sep 7, 2012 at 9:03 AM, Jimmy Tang <jtang@tchpc.tcd.ie> wrote:
> Hi All,
>
> I know that cephfs has the option picking which pools to use, will ceph-fuse be gaining this feature at any point in the future? Or is this feature available but isn't documented?

It's not available — making it work would require implementing FUSE's
ioctl system, which we will probably do at some point, but is yet to
be prioritized or placed anywhere.

However, ceph-fuse does of course respect settings put in place by the
kernel client, so if you just want to do a one-time configuration then
you can do it via the kernel on one machine and use ceph-fuse
elsewhere...
-Greg
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Re: ceph-fuse mount options

[Jimmy Tang]

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On Fri, Sep 07, 2012 at 09:22:34AM -0700, Gregory Farnum wrote:
> On Fri, Sep 7, 2012 at 9:03 AM, Jimmy Tang <jtang@tchpc.tcd.ie> wrote:
> > Hi All,
> >
> > I know that cephfs has the option picking which pools to use, will ceph-fuse be gaining this feature at any point in the future? Or is this feature available but isn't documented?
> 
> It's not available ? making it work would require implementing FUSE's
> ioctl system, which we will probably do at some point, but is yet to
> be prioritized or placed anywhere.
> 
> However, ceph-fuse does of course respect settings put in place by the
> kernel client, so if you just want to do a one-time configuration then
> you can do it via the kernel on one machine and use ceph-fuse
> elsewhere...


Ok thanks, thats good to know that it's probably on the roadmap. I
don't forsee us using the fuse module much, it's really only for
testing on RHEL6 based systems as the kernel hasn't quite caught up.

Jimmy

-- 
Jimmy Tang
Trinity Centre for High Performance Computing,
Lloyd Building, Trinity College Dublin, Dublin 2, Ireland.
http://www.tchpc.tcd.ie/

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