Re: [pynfs PATCH 0/4] nfs4.1: add a bunch of reboot tests

From: "J. Bruce Fields" <bfields@fieldses.org>
To: Scott Mayhew <smayhew@redhat.com>
Cc: jlayton@kernel.org, linux-nfs@vger.kernel.org
Subject: Re: [pynfs PATCH 0/4] nfs4.1: add a bunch of reboot tests
Date: Thu, 14 Mar 2019 21:00:36 -0400	[thread overview]
Message-ID: <20190315010036.GD1431@fieldses.org> (raw)
In-Reply-To: <20190314231833.GX4975@coeurl.usersys.redhat.com>

On Thu, Mar 14, 2019 at 07:18:33PM -0400, Scott Mayhew wrote:
> On Thu, 14 Mar 2019, J. Bruce Fields wrote:
> 
> > On Thu, Mar 14, 2019 at 05:12:06PM -0400, Scott Mayhew wrote:
> > > (Note: These patches go on top of "nfs4.1: clean up the session and
> > > client created in Environment.init()" from Jeff Layton sent on March
> > > 14th).
> > 
> > That was yours, wasn't it?  Applied, anyway.
> 
> No, my patch modified Environment.finish().  Jeff's modifies
> Environment.init().  You'll need his patch too or these tests won't
> work.

Whoops, sorry.

I don't see that mail from Jeff anywhere.  Would someone mind resending?

--b.

> 
> -Scott
> 
> > 
> > > These patches add the following reboot tests:
> > 
> > Those look like good ideas, I've applied the patches.
> > 
> > The one thing I notice on a quick skim is that REBT5 depends on Linux
> > knfsd-specific behavior.  That's worth noting in a comment.
> > 
> > (Also maybe we should add a flag to such tests.  "knfsd"?  We've got
> > some tests flagged "ganesha".)
> > 
> > --b.
> > 
> > > 
> > > REBT2x: Server reboot with N clients reclaiming opens.
> > > REBT3x: Server reboot with N clients reclaming opens.  Server reboots
> > >         again after half the clients have reclaimed.
> > > REBT4x: Server reboot with N clients reclaiming opens.  Half the
> > >         clients attempt to reclaim twice.
> > > (where x in {a, b, c}, with 'a' using 10 clients, 'b' using 100 clients,
> > > and 'c' testing 1000 clients)
> > > REBT5:  Server reboot where the client starts reclaiming shortly before
> > >         the end of grace.
> > > 
> > > Note all of these tests require the use of a helper script or manual
> > > intervention to restart the server.
> > > 
> > > Scott Mayhew (4):
> > >   nfs4.1: add some reboot tests
> > >   nfs4.1: add some more reboot tests
> > >   nfs4.1: still more reboot tests
> > >   nfs4.1: test delayed reclaim following a server reboot
> > > 
> > >  nfs4.1/server41tests/st_reboot.py | 284 +++++++++++++++++++++++++++++-
> > >  1 file changed, 278 insertions(+), 6 deletions(-)
> > > 
> > > -- 
> > > 2.17.2