From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8729C4338F for ; Thu, 22 Jul 2021 21:43:19 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 717EE60EB4 for ; Thu, 22 Jul 2021 21:43:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 717EE60EB4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1626990198; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=n8mw9JKMQIt2vjYc9t7fgPCFDu9A9+JlXNnTyq7j/qQ=; b=IwahBtuVKFWD963YMUgjn/8hvylb/W1l8IX4v5fm7qWVi7XELVKbAy35tJyfvjELbtz9R3 gDzSwNGKM4qJRTf2cpA2kd27DvpfF5USh4hfV+0QjZVL+oBGwiQhgUU60rw1XOV+7Xrisi mu7lNl5yfdYyLl5NhHYJDH8EJZsf5l4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-144-iR3A_pgeNjCVdgkSJiDU_Q-1; Thu, 22 Jul 2021 17:43:16 -0400 X-MC-Unique: iR3A_pgeNjCVdgkSJiDU_Q-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 609831019650; Thu, 22 Jul 2021 21:43:11 +0000 (UTC) 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 0DDF069CBA; Thu, 22 Jul 2021 21:43:09 +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 DD0004BB7C; Thu, 22 Jul 2021 21:43:04 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 16MLh26D022200 for ; Thu, 22 Jul 2021 17:43:02 -0400 Received: by smtp.corp.redhat.com (Postfix) id 8C2B12719E; Thu, 22 Jul 2021 21:43:02 +0000 (UTC) Received: from octiron.msp.redhat.com (unknown [10.15.80.209]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E612326574; Thu, 22 Jul 2021 21:42:56 +0000 (UTC) Received: from octiron.msp.redhat.com (localhost.localdomain [127.0.0.1]) by octiron.msp.redhat.com (8.14.9/8.14.9) with ESMTP id 16MLgsvK020141; Thu, 22 Jul 2021 16:42:54 -0500 Received: (from bmarzins@localhost) by octiron.msp.redhat.com (8.14.9/8.14.9/Submit) id 16MLgshi020140; Thu, 22 Jul 2021 16:42:54 -0500 Date: Thu, 22 Jul 2021 16:42:53 -0500 From: Benjamin Marzinski To: lixiaokeng Message-ID: <20210722214253.GC3087@octiron.msp.redhat.com> References: <37767722-8e6c-4176-d234-87134c21cd4c@huawei.com> MIME-Version: 1.0 In-Reply-To: <37767722-8e6c-4176-d234-87134c21cd4c@huawei.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-loop: dm-devel@redhat.com Cc: linfeilong , dm-devel mailing list , Martin Wilck , "liuzhiqiang \(I\)" Subject: Re: [dm-devel] [Question] multipathd.service start failed when /var/run isn't mount 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: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Thu, Jul 22, 2021 at 10:51:22AM +0800, lixiaokeng wrote: > When we enable multipathd.service with systemctl and reboot, > multipathd doesn't start and log "failed to create pidfile". > > The reason is following: > > The RUN is /var/run in multipath-tools. When we start linux, we > mount a disk to /var. So if multipathd.service start before mount, > it will fail to activate.(If mount firstly, multipathd will start > successfully) > > The RUN is defined in Makefile.inc: > > ifndef RUN > ifeq ($(shell test -L /var/run -o ! -d /var/run && echo 1),1) > RUN=run > else > RUN=var/run > endif > endif > > Can it always be defined as run? I believe all modern distributions make /var/run a symlink to /run. However, if that's the case, then I don't understand why you are running into this issue at all, since multipath should be using /run. What multipath packages are you using? -Ben > > Regards, > Lixiaokeng -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel