From patchwork Thu Jul 8 08:42:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Venky Shankar X-Patchwork-Id: 12364763 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 720D4C07E99 for ; Thu, 8 Jul 2021 08:43:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5CB0C61CCA for ; Thu, 8 Jul 2021 08:43:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231394AbhGHIpv (ORCPT ); Thu, 8 Jul 2021 04:45:51 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:22256 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231384AbhGHIpu (ORCPT ); Thu, 8 Jul 2021 04:45:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1625733788; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5z87lSglp1R+XOAVM/WPJyePD3cVLLHAqajJ2nmRuNY=; b=R+bj66X1GTsDzVMJtXSG5WU6DIUhWx9RoUpFW7Ca+LSVvGf1hbaCvqOGbcMQkaOE1FqaXY PqvxntuGDXs5tbqa+hosPgRADnLMfzN30xtuU4sPsQDk9oXAi3NoxByIwQxD1XrDk7az6O AtX3JVHPsENH0MJpI9dKMwZzMDZ4It4= Received: from mail-pj1-f71.google.com (mail-pj1-f71.google.com [209.85.216.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-573-ULh2wJfXO1GN4hpuvTeu7g-1; Thu, 08 Jul 2021 04:43:07 -0400 X-MC-Unique: ULh2wJfXO1GN4hpuvTeu7g-1 Received: by mail-pj1-f71.google.com with SMTP id p22-20020a17090a9316b029016a0aced749so68997pjo.9 for ; Thu, 08 Jul 2021 01:43:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5z87lSglp1R+XOAVM/WPJyePD3cVLLHAqajJ2nmRuNY=; b=FHRKMCKZ4cW29wuL97vT1Rv1a1C1gHx6AZPkjbK9BYqjtjxnTLjSnk1bAuiBdtYEAA qZUbE4yLt7pElw9lnf4pJAZIz80zOAfxsVDMHp99r1elik7BveOoJCtQfaDU+qUKF9gQ kwHY//4TlpsXR3ntiHzVDM1clT2ue6rAnL14kgUEjj75gIkvxMoXxkFWfdBWKignXmUf Pc5/Hfo3l6UWJKByKAlwf6vuBZtGoXhLJ9pvosjl9grgTSZAmRZ1qyY1/rVpFCoqBFTV LN5mUomiHv+qpdWeevixhZ4xe5R5pdDMow3D0HFwLResBnD4cGZTTaCP/yJaRS6G6X/9 6eAg== X-Gm-Message-State: AOAM532ljnGkjVpf4ekTOJUdcy3JgoOMOFv0Mx5W80HMRk+zu3aPvPa0 6Hze7XLWCzr5dRwLhgqoHaUTbQApe2S0utIR4/UkOTsiv+veTedxpHg2nFIzsi3TwJAKlgfrEuM A3H+THBLdixC9CoXlgvFC4Q== X-Received: by 2002:a17:90a:df0b:: with SMTP id gp11mr1662904pjb.35.1625733786647; Thu, 08 Jul 2021 01:43:06 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw5EWLwGHvJhcaRF8F4x2qA3gC7QDDsKvRGng0YHnuh8iqE7Fvqm65uamzt4idgHUnvaxd1dQ== X-Received: by 2002:a17:90a:df0b:: with SMTP id gp11mr1662894pjb.35.1625733786471; Thu, 08 Jul 2021 01:43:06 -0700 (PDT) Received: from h3ckers-pride.redhat.com ([49.207.223.150]) by smtp.gmail.com with ESMTPSA id r14sm2154588pgm.28.2021.07.08.01.43.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jul 2021 01:43:06 -0700 (PDT) From: Venky Shankar To: jlayton@redhat.com, idryomov@gmail.com, lhenriques@suse.de Cc: pdonnell@redhat.com, ceph-devel@vger.kernel.org, Venky Shankar Subject: [PATCH v3 5/5] doc: document new CephFS mount device syntax Date: Thu, 8 Jul 2021 14:12:47 +0530 Message-Id: <20210708084247.182953-6-vshankar@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210708084247.182953-1-vshankar@redhat.com> References: <20210708084247.182953-1-vshankar@redhat.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Signed-off-by: Venky Shankar --- Documentation/filesystems/ceph.rst | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) diff --git a/Documentation/filesystems/ceph.rst b/Documentation/filesystems/ceph.rst index 7d2ef4e27273..4942e018db85 100644 --- a/Documentation/filesystems/ceph.rst +++ b/Documentation/filesystems/ceph.rst @@ -82,7 +82,7 @@ Mount Syntax The basic mount syntax is:: - # mount -t ceph monip[:port][,monip2[:port]...]:/[subdir] mnt + # mount -t ceph user@fsid.fs_name=/[subdir] mnt -o mon_addr=monip1[:port][/monip2[:port]] You only need to specify a single monitor, as the client will get the full list when it connects. (However, if the monitor you specify @@ -90,16 +90,35 @@ happens to be down, the mount won't succeed.) The port can be left off if the monitor is using the default. So if the monitor is at 1.2.3.4:: - # mount -t ceph 1.2.3.4:/ /mnt/ceph + # mount -t ceph cephuser@07fe3187-00d9-42a3-814b-72a4d5e7d5be.cephfs=/ /mnt/ceph -o mon_addr=1.2.3.4 is sufficient. If /sbin/mount.ceph is installed, a hostname can be -used instead of an IP address. +used instead of an IP address and the cluster FSID can be left out +(as the mount helper will fill it in by reading the ceph configuration +file):: + # mount -t ceph cephuser@cephfs=/ /mnt/ceph -o mon_addr=mon-addr +Multiple monitor addresses can be passed by separating each address with a slash (`/`):: + + # mount -t ceph cephuser@cephfs=/ /mnt/ceph -o mon_addr=192.168.1.100/192.168.1.101 + +When using the mount helper, monitor address can be read from ceph +configuration file if available. Note that, the cluster FSID (passed as part +of the device string) is validated by checking it with the FSID reported by +the monitor. Mount Options ============= + mon_addr=ip_address[:port][/ip_address[:port]] + Monitor address to the cluster. This is used to bootstrap the + connection to the cluster. Once connection is established, the + monitor addresses in the monitor map are followed. + + fsid=cluster-id + FSID of the cluster (from `ceph fsid` command). + ip=A.B.C.D[:N] Specify the IP and/or port the client should bind to locally. There is normally not much reason to do this. If the IP is not