From patchwork Wed Jun 21 15:06:26 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Wilck X-Patchwork-Id: 9802127 X-Patchwork-Delegate: snitzer@redhat.com 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 87B1160329 for ; Wed, 21 Jun 2017 15:07:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7AE8F285CF for ; Wed, 21 Jun 2017 15:07:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6F298285E9; Wed, 21 Jun 2017 15:07:14 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (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 63457285EC for ; Wed, 21 Jun 2017 15:07:12 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 47616C0587C0; Wed, 21 Jun 2017 15:07:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 47616C0587C0 Authentication-Results: ext-mx08.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: ext-mx08.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=dm-devel-bounces@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 47616C0587C0 Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2009DCABEE; Wed, 21 Jun 2017 15:07:11 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 1FC3E4E986; Wed, 21 Jun 2017 15:07:10 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id v5LF77nJ007311 for ; Wed, 21 Jun 2017 11:07:07 -0400 Received: by smtp.corp.redhat.com (Postfix) id A93F9CF37D; Wed, 21 Jun 2017 15:07:07 +0000 (UTC) Delivered-To: dm-devel@redhat.com Received: from mx1.redhat.com (ext-mx06.extmail.prod.ext.phx2.redhat.com [10.5.110.30]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CA389CF37C; Wed, 21 Jun 2017 15:07:05 +0000 (UTC) Received: from prv3-mh.provo.novell.com (victor.provo.novell.com [137.65.250.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A63A73D96D; Wed, 21 Jun 2017 15:07:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com A63A73D96D Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=mwilck@suse.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com A63A73D96D Received: from apollon.suse.de.de (prv-ext-foundry1int.gns.novell.com [137.65.251.240]) by prv3-mh.provo.novell.com with ESMTP (TLS encrypted); Wed, 21 Jun 2017 09:06:58 -0600 From: Martin Wilck To: Christophe Varoqui , Hannes Reinecke Date: Wed, 21 Jun 2017 17:06:26 +0200 Message-Id: <20170621150630.25773-8-mwilck@suse.com> In-Reply-To: <20170621150630.25773-1-mwilck@suse.com> References: <20170621150630.25773-1-mwilck@suse.com> X-Greylist: Sender passed SPF test, Sender IP whitelisted by DNSRBL, ACL 203 matched, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 21 Jun 2017 15:07:05 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 21 Jun 2017 15:07:05 +0000 (UTC) for IP:'137.65.250.26' DOMAIN:'victor.provo.novell.com' HELO:'prv3-mh.provo.novell.com' FROM:'mwilck@suse.com' RCPT:'' X-RedHat-Spam-Score: -0.801 (BAYES_60, RCVD_IN_DNSWL_MED, SPF_PASS) 137.65.250.26 victor.provo.novell.com 137.65.250.26 victor.provo.novell.com X-Scanned-By: MIMEDefang 2.78 on 10.5.110.30 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-loop: dm-devel@redhat.com Cc: dm-devel@redhat.com, Xose Vazquez Perez Subject: [dm-devel] [PATCH v3 07/11] multipath.conf.5: Remove ??? and other minor fixes 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-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Wed, 21 Jun 2017 15:07:11 +0000 (UTC) X-Virus-Scanned: ClamAV using ClamSMTP Remove the FIXME markers by filling in missing content, and make some other minor fixes. Signed-off-by: Martin Wilck Acked-by: Benjamin Marzinski Reviewed-by: Hannes Reinecke --- multipath/multipath.conf.5 | 48 +++++++++++++++++++++++++--------------------- 1 file changed, 26 insertions(+), 22 deletions(-) diff --git a/multipath/multipath.conf.5 b/multipath/multipath.conf.5 index d5d9438a..000a42ec 100644 --- a/multipath/multipath.conf.5 +++ b/multipath/multipath.conf.5 @@ -258,7 +258,7 @@ Return a constant priority of \fI1\fR. .I sysfs Use the sysfs attributes \fIaccess_state\fR and \fIpreferred_path\fR to generate the path priority. This prioritizer accepts the optional prio_arg -\fIexclusive_pref_bit\fR +\fIexclusive_pref_bit\fR. .TP .I emc (Hardware-dependent) @@ -300,14 +300,19 @@ Generate the path priority based on a latency algorithm. Requires prio_args keyword. .TP .I datacore -.\" XXX -???. Requires prio_args keyword. +(Hardware-dependent) +Generate the path priority for some Datacore storage arrays. Requires prio_args +keyword. .TP .I iet -.\" XXX -???. Requires prio_args keyword. -.TP -The default is: \fBconst\fR +(iSCSI only) +Generate path priority for iSCSI targets based on IP address. Requires +prio_args keyword. +.PP +The default depends on the \fBdetect_prio\fR setting: If \fBdetect_prio\fR is +\fByes\fR (default), the default priority algorithm is \fBsysfs\fR (except for +NetAPP E-Series, where it is \fBalua\fR). If \fBdetect_prio\fR is +\fBno\fR, the default priority algorithm is \fBconst\fR. .RE . . @@ -364,12 +369,12 @@ If \fIexclusive_pref_bit\fR is set, paths with the \fIpreferred path\fR bit set will always be in their own path group. .TP .I datacore -.\" XXX -\fIpreferredsds\fR ???. +\fIpreferredsds\fR (required) denotes the preferred "SDS name" for datacore +arrays. \fItimeout\fR (optional) is the timeout for the INQUIRY, in ms. .TP .I iet -.\" XXX -\fIpreferredip\fR ???. +\fIpreferredip=...\fR (required) denotes the preferred IP address (in dotted decimal +notation) for iSCSI targets. .TP The default is: \fB\fR .RE @@ -384,29 +389,28 @@ Possible values for the feature list are: .TP 12 .\" XXX .I queue_if_no_path -(Superseded by \fIno_path_retry\fR) (Since ??? kernel) Queue I/O if no path is active. +(Superseded by \fIno_path_retry\fR) Queue I/O if no path is active. Identical to the \fIno_path_retry\fR with \fIqueue\fR value. If both this feature and \fIno_path_retry\fR are set, the latter value takes precedence. See KNOWN ISSUES. .TP -.I no_partitions -Disable automatic partitions generation via kpartx. -.TP .\" XXX .I pg_init_retries -(Since ??? kernel) Number of times to retry pg_init, it must be between 1 and 50. +(Since kernel 2.6.24) Number of times to retry pg_init, it must be between 1 and 50. .TP .\" XXX .I pg_init_delay_msecs -(Since ??? kernel) Number of msecs before pg_init retry, it must be between 0 and 60000. +(Since kernel 2.6.38) Number of msecs before pg_init retry, it must be between 0 and 60000. .TP .\" XXX .I queue_mode -(Since ??? kernel) Select the the queue_mode per multipath device. -Where can be \fIbio\fR, \fIrq\fR or \fImq\fR. Which corresponds to -bio-based, request_fn rq-based, and blk-mq rq-based respectively. -.TP -The default is: \fB0\fR +(Since kernel 4.8) Select the the queueing mode per multipath device. + can be \fIbio\fR, \fIrq\fR or \fImq\f, which corresponds to +bio-based, request-based, and block-multiqueue (blk-mq) request-based, +respectively. + +The default depends on the kernel parameter \fBdm_mod.use_blk_mq\fR. It is +\fImq\fR if the latter is set, and \fIrq\fR otherwise. .RE . .