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 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 38644C4332F for ; Wed, 23 Nov 2022 15:03:00 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oxrGU-0004zU-6I; Wed, 23 Nov 2022 10:02:18 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oxnTT-0003Bh-Nr for qemu-devel@nongnu.org; Wed, 23 Nov 2022 05:59:27 -0500 Received: from mail-vk1-xa34.google.com ([2607:f8b0:4864:20::a34]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oxnTS-0006cp-1e for qemu-devel@nongnu.org; Wed, 23 Nov 2022 05:59:27 -0500 Received: by mail-vk1-xa34.google.com with SMTP id g4so8546633vkk.6 for ; Wed, 23 Nov 2022 02:59:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=l7T4mIThX91V6g/6i/bLMSqEmNdsxxW13MifZ2xtPTY=; b=lpS0tki7Myr8AJ3IpoG+Md80GEETtH1FsaybUsswhneo06+cCyuEfwfeOcFDO6/6TV 6fjxzhDkobxcrrczi1yZeTQ4mp7/xEAb8GHsFGAj27U1qTYRSZY4V3ey+2Y6SgCEBTPR xC7wYaTu/v5wMO2/ZWVgVBa4w7b2KuKcEERso4XG5ORlP1u6Q5ex7et9Hsr+YqXh8f2a dOsxkr8C8Cb6x0fIbd2unsAHvSzI34qjPUzUiQRUlV4Q1EG9rJhHhCxcn7feS1+QgDJT Ua8htBgD2iVe3a0FgXcLH7kO+x3BBFylVf6pA5nl3E/m+II81XUlcgyhNIuafsddS+R9 crSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=l7T4mIThX91V6g/6i/bLMSqEmNdsxxW13MifZ2xtPTY=; b=NJncEFeIOmYWR39EYXB42tgsEh0SIixgLb9ZbelcaPHMR8IYU6o0kWcZfQ70La7H+D POCvLaZPaliWU15Otjgq+Z1Wna3xEow38dw8MBya86ODY4WJGefr3Z+T4w18SVe5bzZM 9rn5JwUS8PT8bxICWepjhF7c4p+FzicwW8t2taZ4OkLN6yiA5NrXHr7DjHY4iAGKgY14 KnKOh1pTUjx1VhQi5ULwZ1oofgIvZzUZJXscE07JnnyHGz9lORccsbu+jVtUhDut5qEE +EnUEbDbM1F0WOIv3QF8ICXXEAgAMVUVzDhr2UUSq6xVOEDTB9z5/hd2KIHXESi4MmjL Beig== X-Gm-Message-State: ANoB5pnsIeNbhruHQuRQ+5f5Uq2DVyhz37lNW77JSISByiWdYo1zFw3D nVxZ4X0OD+Kg8evZRnpsJS3qW8aU71948pRLzBJDynuiYMw= X-Google-Smtp-Source: AA0mqf6BZJlChXMBRcOFVd7LW0RFhlCXjMCQwevawf6286aH4Vhyk0rMHDoJ83Um0WJPyehnCZoLol9V4BDhET8bMew= X-Received: by 2002:a1f:2c01:0:b0:3bc:6437:d187 with SMTP id s1-20020a1f2c01000000b003bc6437d187mr5771282vks.41.1669201147245; Wed, 23 Nov 2022 02:59:07 -0800 (PST) MIME-Version: 1.0 From: =?UTF-8?B?64SI6rWs66as66eo?= Date: Wed, 23 Nov 2022 19:59:00 +0900 Message-ID: Subject: [QEMU][Question] Is there any way to backup a dirty-bitmap that can be executed at the other server? To: qemu-devel@nongnu.org Content-Type: multipart/alternative; boundary="00000000000070b93305ee212d34" Received-SPF: pass client-ip=2607:f8b0:4864:20::a34; envelope-from=brownie4597@gmail.com; helo=mail-vk1-xa34.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Wed, 23 Nov 2022 10:02:15 -0500 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org --00000000000070b93305ee212d34 Content-Type: text/plain; charset="UTF-8" First of all, Thanks for the hard work. With QMP, I can backup dirty-bitmap - like 'blockdev-backup' incremental sync mode. But this command should be executed at the host where the QEMU process is live. I want to execute a backup at the other host so it does not affect running Guest. - `blockdev-backup` preempts the host's I/O resource. Is there any way to backup a dirty-bitmap that can be executed at the other server? Thanks. --00000000000070b93305ee212d34 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
First of all, Thanks for the hard work.

With QMP, I= can backup dirty-bitmap - like 'blockdev-backup' incremental sync = mode.
But this command should be executed at the host where the QEMU pro= cess is live.

I want to execute a backup at the other host so it doe= s not affect running Guest.
- `blockdev-backup` preempts the host's = I/O resource.

Is there any way to backup a dirty-bitmap that can be = executed at the other server?

Thanks.
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