Re: Mounting NFS root FS

From: Janne Karhunen
Date: Mon Dec 04 2006 - 15:06:50 EST


On Monday 04 December 2006 20:21, Trond Myklebust wrote:

> > > 2) NFS provides persistent storage.
> >
> > To me this sounds like a chicken and an egg problem. It
> > both depends and provides this at the same time :/. But
> > hey, if it's supposed to work then OK.
>
> ??? Locking depends on persistent storage, but persistent storage never
> depended on locking.

Except for the fact that to be able to mount anything RW you
generally _want_ to have locks. And can't have locks without
the mount. Not that it wouldn't work, it's just that I would
not do it [for obvious reasons].


> 2) No. The problem of client crashes was fixed in NFSv4 with the
> addition of lease-based locks.

This was NFSv3 system, so that would still be an issue.


--
// Janne
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/