From patchwork Wed Apr 2 08:29:25 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 3927501 X-Patchwork-Delegate: dave@jikos.cz Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4AA8E9F2B6 for ; Wed, 2 Apr 2014 08:30:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 29CDA20240 for ; Wed, 2 Apr 2014 08:30:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3BF8120211 for ; Wed, 2 Apr 2014 08:30:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758253AbaDBIap (ORCPT ); Wed, 2 Apr 2014 04:30:45 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:11878 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1758192AbaDBI3C (ORCPT ); Wed, 2 Apr 2014 04:29:02 -0400 X-IronPort-AV: E=Sophos;i="4.97,778,1389715200"; d="scan'208";a="28775311" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 02 Apr 2014 16:26:22 +0800 Received: from G08CNEXCHPEKD03.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s328Sj4b014953 for ; Wed, 2 Apr 2014 16:28:45 +0800 Received: from adam-work.lan (10.167.226.24) by G08CNEXCHPEKD03.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.146.2; Wed, 2 Apr 2014 16:28:52 +0800 From: Qu Wenruo To: Subject: [PATCH 14/27] btrfs-progs: Convert man page for btrfs-replace. Date: Wed, 2 Apr 2014 16:29:25 +0800 Message-ID: <1396427378-10487-15-git-send-email-quwenruo@cn.fujitsu.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1396427378-10487-1-git-send-email-quwenruo@cn.fujitsu.com> References: <1396427378-10487-1-git-send-email-quwenruo@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.24] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Convert man page for btrfs-replace. Signed-off-by: Qu Wenruo --- Documentation/Makefile | 2 +- Documentation/btrfs-replace.txt | 76 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 77 insertions(+), 1 deletion(-) create mode 100644 Documentation/btrfs-replace.txt diff --git a/Documentation/Makefile b/Documentation/Makefile index 84a4859..a4f7ef0 100644 --- a/Documentation/Makefile +++ b/Documentation/Makefile @@ -28,7 +28,7 @@ MAN8_TXT += btrfs-send.txt MAN8_TXT += btrfs-receive.txt MAN8_TXT += btrfs-quota.txt MAN8_TXT += btrfs-qgroup.txt -#MAN8_TXT += btrfs-replace.txt +MAN8_TXT += btrfs-replace.txt #MAN8_TXT += btrfs-dedup.txt MAN_TXT = $(MAN8_TXT) diff --git a/Documentation/btrfs-replace.txt b/Documentation/btrfs-replace.txt new file mode 100644 index 0000000..8c5dcc4 --- /dev/null +++ b/Documentation/btrfs-replace.txt @@ -0,0 +1,76 @@ +btrfs-replace(8) +=============== + +NAME +---- +btrfs-replace - replace devices managed by btrfs with other device. + +SYNOPSIS +-------- +'btrfs replace' + +DESCRIPTION +----------- +'btrfs replace' is used to replace btrfs managed devices with other device. + +SUBCOMMAND +---------- +'start' [-Bfr] | :: +Replace device of a btrfs filesystem. ++ +On a live filesystem, duplicate the data to the target device which +is currently stored on the source device. +If the source device is not available anymore, or if the -r option is set, +the data is built only using the RAID redundancy mechanisms. +After completion of the operation, the source device is removed from the +filesystem. +If the is a numerical value, it is assumed to be the device id +of the filesystem which is mounted at , otherwise is is +the path to the source device. If the source device is disconnected, +from the system, you have to use the devid parameter format. +The needs to be same size or larger than the . ++ +`Options` ++ +-r:::: +only read from if no other zero-defect mirror exists. +(enable this if your drive has lots of read errors, the access would be very +slow) +-f:::: +force using and overwriting even if it looks like +containing a valid btrfs filesystem. ++ +A valid filesystem is assumed if a btrfs superblock is found which contains a +correct checksum. Devices which are currently mounted are +never allowed to be used as the . +-B:::: +no background replace. + +'status' [-1] :: +Print status and progress information of a running device replace operation. ++ +`Options` ++ +-1:::: +print once instead of print continuously until the replace +operation finishes (or is canceled) + +'cancel' :: +Cancel a running device replace operation. + +EXIT STATUS +----------- +'btrfs replace' returns a zero exist status if it succeeds. Non zero is +returned in case of failure. + +AVAILABILITY +------------ +'btrfs' is part of btrfs-progs. Btrfs filesystem is currently under heavy +development, +and not suitable for any uses other than benchmarking and review. +Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for +further details. + +SEE ALSO +-------- +`mkfs.btrfs`(8),