Return-Path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:42792 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755287AbcGEU5z convert rfc822-to-8bit (ORCPT ); Tue, 5 Jul 2016 16:57:55 -0400 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u65KtDej036706 for ; Tue, 5 Jul 2016 16:57:55 -0400 Received: from e33.co.us.ibm.com (e33.co.us.ibm.com [32.97.110.151]) by mx0a-001b2d01.pphosted.com with ESMTP id 23x9prg25n-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 05 Jul 2016 16:57:54 -0400 Received: from localhost by e33.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 5 Jul 2016 14:57:53 -0600 Received: from b03cxnp07029.gho.boulder.ibm.com (b03cxnp07029.gho.boulder.ibm.com [9.17.130.16]) by d03dlp03.boulder.ibm.com (Postfix) with ESMTP id DF4E419D8045 for ; Tue, 5 Jul 2016 14:57:26 -0600 (MDT) Received: from b03ledav004.gho.boulder.ibm.com (b03ledav004.gho.boulder.ibm.com [9.17.130.235]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u65KvmDp52101346 for ; Tue, 5 Jul 2016 13:57:49 -0700 Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7B2DE78013 for ; Tue, 5 Jul 2016 14:57:49 -0600 (MDT) Received: from d50lp02.ny.us.ibm.com (unknown [146.89.104.208]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTPS id 448DA7803F for ; Tue, 5 Jul 2016 14:57:49 -0600 (MDT) Received: from localhost by d50lp02.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 5 Jul 2016 16:57:48 -0400 Received: from localhost by smtp.notes.na.collabserv.com with smtp.notes.na.collabserv.com ESMTP for from ; Tue, 5 Jul 2016 20:56:56 -0000 In-Reply-To: <47ebf941-2e1c-83fc-93e0-b4d70892dc2c@RedHat.com> To: Steve Dickson Cc: linux-nfs@vger.kernel.org, Tomer Perry , "Jeff Layton" Subject: Re: HA NFS From: "Marc Eshel" Date: Tue, 5 Jul 2016 13:56:54 -0700 References: <1465939516-44769-1-git-send-email-trond.myklebust@primarydata.com> <20160701160857.GB20327@fieldses.org> <20160701200742.GA24269@fieldses.org> <20160701210151.GE24269@fieldses.org> <20160702005820.GA27063@fieldses.org> <47ebf941-2e1c-83fc-93e0-b4d70892dc2c@RedHat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Message-Id: Sender: linux-nfs-owner@vger.kernel.org List-ID: Thanks for the pointer Steve, I am not sure how much of the changes considered RedHat and how much is Linux kernel changes so if another mailing list is more appropriate please let me know. I now see on RHEL7.0 that /var/lib/nfs/nfsdcltrack/main.sqlite is updated as I open a file from an NFS client, but going to RHEL7.2 that file is created but not updated with a new client open. Did something change in this area between 7.0 and 7.2 ? Marc. From: Steve Dickson To: Marc Eshel/Almaden/IBM@IBMUS Cc: linux-nfs@vger.kernel.org, Tomer Perry Date: 07/05/2016 08:08 AM Subject: Re: HA NFS On 07/04/2016 07:53 PM, Marc Eshel wrote: > Hi Steve, > I did not pay attention for a while and now I see that since RHEL7.0 there > a major changes in NFSv4 recovery for a signal machine and for cluster > file system. Is there any write up on the changes like the use of > /var/lib/nfs/nfsdcltrack/main.sqlite, I see it being used in 7.0 but not > in 7.2. Any information would be appreciated. That file is still being used... but there were some changes. In RHEL 7.2 this was added for bz 1234598 commit c41a3d0a17baa61a07d48d8536e99908d765de9b Author: Jeff Layton Date: Fri Sep 19 11:07:31 2014 -0400 nfsdcltrack: fetch NFSDCLTRACK_GRACE_START out of environment In RHEL 7.3 there will be this for bz 1285097 commit d479ad3adb0671c48d6fbf3e36bd52a31159c413 Author: Jeff Layton Date: Fri Sep 19 11:03:45 2014 -0400 nfsdcltrack: update schema to v2 I hope this helps... steved.