From: "Talpey, Thomas" Subject: Re: rapid clustered nfs server failover and hung clients -- how best to close the sockets? Date: Mon, 09 Jun 2008 12:40:05 -0400 Message-ID: References: <20080609103137.2474aabd@tleilax.poochiereds.net> <484D4659.9000105@redhat.com> <20080609111821.6e06d4f8@tleilax.poochiereds.net> <20080609120110.1fee7221@tleilax.poochiereds.net> <20080609122249.51767b21@tleilax.poochiereds.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: Peter Staubach , linux-nfs@vger.kernel.org, lhh@redhat.com, nfsv4@linux-nfs.org, nhorman@redhat.com To: Jeff Layton Return-path: Received: from mx2.netapp.com ([216.240.18.37]:26706 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750928AbYFIQkX (ORCPT ); Mon, 9 Jun 2008 12:40:23 -0400 In-Reply-To: <20080609122249.51767b21-RtJpwOs3+0O+kQycOl6kW4xkIHaj4LzF@public.gmane.org> References: <20080609103137.2474aabd-RtJpwOs3+0O+kQycOl6kW4xkIHaj4LzF@public.gmane.org> <484D4659.9000105@redhat.com> <20080609111821.6e06d4f8-RtJpwOs3+0O+kQycOl6kW4xkIHaj4LzF@public.gmane.org> <20080609120110.1fee7221-RtJpwOs3+0O+kQycOl6kW4xkIHaj4LzF@public.gmane.org> <20080609122249.51767b21-RtJpwOs3+0O+kQycOl6kW4xkIHaj4LzF@public.gmane.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: At 12:22 PM 6/9/2008, Jeff Layton wrote: >That might be worth investigating, but sounds like it might cause problems >with the services associated with IP addresses that are staying on the >victim server. Jeff, I think you have many years of job security to look forward to, here. :-) Since you sent this to the NFSv4 list - is there any chance you're thinking to not transparently take over IP addresses, but use NFSv4 locations and referrals for these "migrations"? Yes, I know some clients may not quite be there yet. Tom.