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=-7.3 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=no 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 A1CBAC433B4 for ; Mon, 12 Apr 2021 18:48:21 +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 180D66128D for ; Mon, 12 Apr 2021 18:48:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 180D66128D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=linux-lvm-bounces@redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1618253300; h=from:from:sender:sender:reply-to: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=BJITUE7eybwCPqB3KNoK1ERuSSkRWWL2RCbs0/6422g=; b=EmO6rOclgYO+kdbrFuM29tOz9x1ZFGGrZ7Xw+GvFeCGcJid9g41btHroCRU42m9ShgZlDX GkpFyAPzaoqtq+rQkq/uKWShnnBm9a2DB4hFlNRZ3TmcstSEZdmI+ffuo0QO/Kp0RmMmL6 /6yAOjxgvuEaWsqU/hH5Xbu7wQLpcVM= 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-454-nh5uKLQ4NOavDZiEJ4VLtA-1; Mon, 12 Apr 2021 14:48:17 -0400 X-MC-Unique: nh5uKLQ4NOavDZiEJ4VLtA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4F4A5107ACCD; Mon, 12 Apr 2021 18:48:10 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 41B2F5DEAD; Mon, 12 Apr 2021 18:48:08 +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 E85761806D0E; Mon, 12 Apr 2021 18:47:52 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 13CIllkF023041 for ; Mon, 12 Apr 2021 14:47:47 -0400 Received: by smtp.corp.redhat.com (Postfix) id E686B50DE3; Mon, 12 Apr 2021 18:47:47 +0000 (UTC) Received: from redhat.com (null.msp.redhat.com [10.15.80.136]) by smtp.corp.redhat.com (Postfix) with ESMTPS id DE86B50DD4; Mon, 12 Apr 2021 18:47:43 +0000 (UTC) Date: Mon, 12 Apr 2021 13:47:42 -0500 From: David Teigland To: =?iso-8859-1?Q?P=E9ter_S=E1rk=F6zi?= Message-ID: <20210412184742.GH10314@redhat.com> References: MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.8.3 (2017-05-23) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-loop: linux-lvm@redhat.com Cc: linux-lvm@redhat.com Subject: Re: [linux-lvm] Possible bug with concurrent RAID syncs on the same underlying devices X-BeenThere: linux-lvm@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-lvm-bounces@redhat.com Errors-To: linux-lvm-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=linux-lvm-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable On Sat, Apr 10, 2021 at 02:32:52AM +0200, P=E9ter S=E1rk=F6zi wrote: > Although this is just due to the insane amount of integrity kworker > processes, and the system is pretty usable, I think it would be much > nicer to only have 1 sync running on the same physical device at a > time. Create one at a time, waiting for integrity init to finish between them (sync_percent 100 on each integrity image you see in lvs -a.) I have some doubt that the end result will perform well enough given the way you're using the partitions. Dave _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/