From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-nfs-owner@vger.kernel.org Received: from minas.ics.muni.cz ([147.251.4.40]:54920 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751567Ab2ASN5Z (ORCPT ); Thu, 19 Jan 2012 08:57:25 -0500 Received: from anubis.ics.muni.cz (anubis.ics.muni.cz [147.251.17.147]) (authenticated user=xhejtman@IS.MUNI.CZ bits=0) by minas.ics.muni.cz (8.13.8/8.13.8/SuSE Linux 0.8) with ESMTP id q0JDots6011407 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 19 Jan 2012 14:50:56 +0100 Received: from xhejtman by anubis.ics.muni.cz with local (Exim 4.76) (envelope-from ) id 1RnsO4-00050a-8O for linux-nfs@vger.kernel.org; Thu, 19 Jan 2012 14:50:44 +0100 Date: Thu, 19 Jan 2012 14:50:44 +0100 From: Lukas Hejtmanek To: linux-nfs@vger.kernel.org Subject: NFSv4 and high-availability Message-ID: <20120119135044.GS10362@ics.muni.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Sender: linux-nfs-owner@vger.kernel.org List-ID: Hello, are there currently any options for HA setups with NFSv4? Is it possible to migrate an NFSv4 klient from one server to another one on the fly? (Without remount, closing all apps, and so on, in the case that all NFSv4 servers share the same storage). I know it could be possible to migrate IP address from a crashed NFSv4 server to another one, but this solution seems to be a last resort for us. Are there any options client based? -- Lukáš Hejtmánek