From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mxex2.tik.uni-stuttgart.de (mxex2.tik.uni-stuttgart.de [129.69.192.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0088921B9E7 for ; Sat, 28 Jun 2025 17:15:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=129.69.192.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751130949; cv=none; b=NZL65qDgyUtzqQoFV02maRpRxybg0mV6ZG0OkqZeEMTJv+OsHJPczT3NNmmtLNsvuyNazevsWFXHmpwyU8LgnJE2+++FsxH4EiYmBAgEqCzINmqYzZHUrpEyLkF4HTxeaWZ9JnfXnY0xogEa1GDWz+GFFWKC5T8/FRkzkyYTHaY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751130949; c=relaxed/simple; bh=u5sqwglJ6xozU3fmPxkTF5XNnPuk7Nm8XuqSF2H9nW4=; h=Date:From:To:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Z/yNr/g6VePq23WGzXOBEFnmlipwFNb9T/BeiQO5I2pkYW1dB9qNsXtz3QCbek7m60fQ9+ORyOs9XhmS54XhNmCv9Ox4V2/VnbolTbZ5O85NjjNf5NNu++cvRcvLCv1ZFxbAiDWflX99Mw2ZvbfQOdeYK6eTl/Kdle09cbfCfL8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rus.uni-stuttgart.de; spf=pass smtp.mailfrom=rus.uni-stuttgart.de; dkim=pass (2048-bit key) header.d=uni-stuttgart.de header.i=@rus.uni-stuttgart.de header.b=LrP/wXgn; arc=none smtp.client-ip=129.69.192.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rus.uni-stuttgart.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rus.uni-stuttgart.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=uni-stuttgart.de header.i=@rus.uni-stuttgart.de header.b="LrP/wXgn" Received: from localhost (localhost [127.0.0.1]) by mxex2.tik.uni-stuttgart.de (Postfix) with ESMTP id 41C2460BD6 for ; Sat, 28 Jun 2025 19:15:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=uni-stuttgart.de; h=x-mailer:user-agent:in-reply-to:content-disposition :content-type:content-type:mime-version:references:message-id :subject:subject:from:from:date:date; s=dkim; i= @rus.uni-stuttgart.de; t=1751130935; x=1752869736; bh=u5sqwglJ6x ozU3fmPxkTF5XNnPuk7Nm8XuqSF2H9nW4=; b=LrP/wXgnqrRwERVa0G9jbI5yGh C+lnHFwXd935Ogxs4HKJEZ/GTrCb50/Jzt/H5loAtwqrjdWBBtK6e3e1qayr/ZLx pRoJCYsrq+oVb/XnUrMzw9thMma6AgwPzM0+uBAi9cMwW2LKaHV9O2ky5ckyHHnf cf16dedTSt7J/ceToJIl5/qUZf2x9x/SsfAweg24rvnav0MSpPrt7UBM3nggFZW1 gkDS3w+59zQllj+b4D9wbUzi5CDbJB8+0WFGrZxYUG4K2C5h4a31XtDJi3pHHzqR mjgGQORn6sjRTx622SxWPnMvy9g8LThbRH4DW4thKh2jeAHYac+xVERqOYGQ== X-Virus-Scanned: USTUTT mailrelay AV services at mxex2.tik.uni-stuttgart.de Received: from mxex2.tik.uni-stuttgart.de ([127.0.0.1]) by localhost (mxex2.tik.uni-stuttgart.de [127.0.0.1]) (amavis, port 10031) with ESMTP id JwFB279JQA1d for ; Sat, 28 Jun 2025 19:15:35 +0200 (CEST) Received: from authenticated client (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mxex2.tik.uni-stuttgart.de (Postfix) with ESMTPSA Date: Sat, 28 Jun 2025 19:15:35 +0200 From: Ulli Horlacher To: Linux BTRFS mailing list Subject: Re: 2 PB filesystem ok? Message-ID: <20250628171535.GA847325@tik.uni-stuttgart.de> Mail-Followup-To: Linux BTRFS mailing list References: <20240428233134.GA355040@tik.uni-stuttgart.de> <20240501181903.GB393383@tik.uni-stuttgart.de> <2183753.irdbgypaU6@lichtvoll.de> Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2183753.irdbgypaU6@lichtvoll.de> User-Agent: Mutt/1.5.23 (2014-03-12) X-Mailer: smtpsend-20240729 On Wed 2024-05-01 (21:47), Martin Steigerwald wrote: > > > So I believe it would be `mkfs.btrfs -O block-group-tree ...'. > > > > root@fex:~# mkfs.btrfs -O list-all > [...] > > root@fex:~# btrfs --version > > btrfs-progs v5.16.2 > > > > > > This is Ubuntu 22.04 > > Too old. root@zentux:~# mkfs.btrfs -O list-all 2>&1 | grep block-group-tree bgt - block-group-tree alias block-group-tree - block group tree to reduce mount time (compat=6.1) root@zentux:~# sysinfo System: Linux zentux 6.8.0-62-generic x86_64 Distribution: Ubuntu 24.04.2 LTS /sw root@zentux:~# btrfs --version btrfs-progs v6.6.3 Got it! :-) -- Ullrich Horlacher Server und Virtualisierung Rechenzentrum TIK Universitaet Stuttgart E-Mail: horlacher@tik.uni-stuttgart.de Allmandring 30a Tel: ++49-711-68565868 70569 Stuttgart (Germany) WWW: https://www.tik.uni-stuttgart.de/ REF:<2183753.irdbgypaU6@lichtvoll.de>