Re: [Engine-devel] PosixFS: GUI mock-ups have been updated
----- Original Message -----
From: "Andrew Cathrow" <acathrow(a)redhat.com>
Sent: Friday, May 11, 2012 5:15:51 PM
----- Original Message -----
> From: "Geert Jansen" <gjansen(a)redhat.com>
> To: "Ayal Baron" <abaron(a)redhat.com>
> Cc: "Andrew Cathrow" <acathrow(a)redhat.com>, engine-devel(a)ovirt.org,
> "Simon Grinberg" <sgrinber(a)redhat.com>, "Saggi
> Mizrahi" <smizrahi(a)redhat.com>, "Ori Liel"
<oliel(a)redhat.com>,
> "Yair Zaslavsky" <yzaslavs(a)redhat.com>, "Miki
> Kenneth" <mkenneth(a)redhat.com>, "Einav Cohen"
<ecohen(a)redhat.com>
> Sent: Friday, May 11, 2012 10:10:37 AM
> Subject: Re: [Engine-devel] PosixFS: GUI mock-ups have been updated
>
>
> On 05/10/2012 09:46 PM, Ayal Baron wrote:
>
> > device is what is being mounted and in the case of NFS is
> > server:path
> >
> > There is a reason why we termed it PosixFS and not SharedFS and
> > that users can specify local devices/FS's (and there is no reason
> > to limit it).
> >
> > Note that if user defines a local FS and adds 2 hosts to the
> > Posix
> > FS DC then 1 host will be non-op
>
> Why? This makes some very interesting use cases a lot more
> difficult
> to
> set up. We should allow multiple hosts in a PosixFS data center,
> and
> it
> should be the user's responsibility that if he adds multiple hosts,
> that
> each of those see the same data.
I *think* we're saying the same thing.
If you have multiple hosts in a datacenter with PosixFS then it's
your responsibility to make sure that they can all see the same
storage
+1.
I believe that Ayal didn't mean that we should limit the number of Hosts in a PosixFS
DC to 1; all he said is that in case the user has defined more than 1 Host in a PosixFS DC
and the PosixFS storage domain in it happens to be a local one (i.e. local on one of the
Hosts in the DC), all other Hosts will become Non Operational (simply because they
won't be able to reach that storage domain).
>
> Regards,
> Geert
>