From patchwork Fri Nov 11 22:58:21 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Marzinski X-Patchwork-Id: 9423763 X-Patchwork-Delegate: christophe.varoqui@free.fr Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0BED660484 for ; Fri, 11 Nov 2016 22:59:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0003929B37 for ; Fri, 11 Nov 2016 22:59:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E8E8E29B73; Fri, 11 Nov 2016 22:59:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from mx5-phx2.redhat.com (mx5-phx2.redhat.com [209.132.183.37]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9FEBA29B37 for ; Fri, 11 Nov 2016 22:59:54 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by mx5-phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uABMwTc0004244; Fri, 11 Nov 2016 17:58:29 -0500 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id uABMwRNL019657 for ; Fri, 11 Nov 2016 17:58:27 -0500 Received: from redhat.com (octiron.msp.redhat.com [10.15.80.209]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id uABMwQIo010788; Fri, 11 Nov 2016 17:58:26 -0500 Received: by redhat.com (sSMTP sendmail emulation); Fri, 11 Nov 2016 16:58:25 -0600 From: "Benjamin Marzinski" To: device-mapper development Date: Fri, 11 Nov 2016 16:58:21 -0600 Message-Id: <1478905103-9735-2-git-send-email-bmarzins@redhat.com> In-Reply-To: <1478905103-9735-1-git-send-email-bmarzins@redhat.com> References: <1478905103-9735-1-git-send-email-bmarzins@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-loop: dm-devel@redhat.com Subject: [dm-devel] [PATCH 1/3] document "disable_changed_wwids" config parameter X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Benjamin Marzinski --- multipath/multipath.conf.5 | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/multipath/multipath.conf.5 b/multipath/multipath.conf.5 index a1f25d5..fa2df48 100644 --- a/multipath/multipath.conf.5 +++ b/multipath/multipath.conf.5 @@ -853,6 +853,17 @@ The default is \fBno\fR .RE . . +.TP +.B disable_changed_wwids +If set to \fIyes\fR, multipathd will check the path wwid on change events, and +if it has changed from the wwid of the multipath device, multipathd will +disable access to the path until the wwid changes back. +.RS +.TP +Default value is \fBno\fR +.RE +. +. .\" ---------------------------------------------------------------------------- .SH "blacklist section" .\" ----------------------------------------------------------------------------