From owner-freebsd-questions@freebsd.org Thu Jul 9 04:24:52 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id C6DB035FBCE for ; Thu, 9 Jul 2020 04:24:52 +0000 (UTC) (envelope-from jacques+freebsd@foucry.net) Received: from mail.foucry.net (fournil.foucry.net [95.217.83.231]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4B2NPH5pfFz4VlL for ; Thu, 9 Jul 2020 04:24:51 +0000 (UTC) (envelope-from jacques+freebsd@foucry.net) Received: from mithril.localdomain (2a01cb0400bb0900ea6a64fffe0795a1.ipv6.abo.wanadoo.fr [IPv6:2a01:cb04:bb:900:ea6a:64ff:fe07:95a1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.foucry.net (Postfix) with ESMTPSA id 8D2C6AA87 for ; Thu, 9 Jul 2020 04:24:43 +0000 (UTC) Received: from mithril (localhost [IPv6:::1]) by mithril.localdomain (Postfix) with ESMTP id 3986D15FA6 for ; Thu, 9 Jul 2020 06:24:42 +0200 (CEST) Date: Thu, 9 Jul 2020 06:24:42 +0200 From: Jacques Foucry To: freebsd-questions@freebsd.org Subject: Re: Are there any real advantages of ext4 over ext2 ? Message-ID: <20200709042442.GB11633@mithril> Mail-Followup-To: freebsd-questions@freebsd.org References: <20200708222453.43ccdcda@archlinux> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200708222453.43ccdcda@archlinux> X-Rspamd-Queue-Id: 4B2NPH5pfFz4VlL X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=pass (policy=none) header.from=foucry.net; spf=pass (mx1.freebsd.org: domain of jacques@foucry.net designates 95.217.83.231 as permitted sender) smtp.mailfrom=jacques@foucry.net X-Spamd-Result: default: False [-1.96 / 15.00]; SUBJECT_ENDS_QUESTION(1.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.04)[-1.039]; RCVD_COUNT_THREE(0.00)[3]; RCVD_TLS_LAST(0.00)[]; NEURAL_HAM_SHORT(-0.63)[-0.634]; DMARC_POLICY_ALLOW(-0.50)[foucry.net,none]; NEURAL_HAM_MEDIUM(-0.99)[-0.986]; MID_RHS_NOT_FQDN(0.50)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:95.217.0.0/16, country:DE]; TAGGED_FROM(0.00)[freebsd] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jul 2020 04:24:52 -0000 Le mercredi 08 juil. 2020 à 22:24:53 (+0200), Ralf Mardorf à écrit: > "A journaling file system is a file system that keeps track of changes > not yet committed to the file system's main part by recording the > intentions of such changes in a data structure known as a "journal", > which is usually a circular log. In the event of a system crash or > power failure, such file systems can be brought back online more > quickly with a lower likelihood of becoming corrupted." - > https://en.wikipedia.org/wiki/Journaling_file_system > > ext2 isn't a journaling file system, while ext3 and ext4 are journaling > file systems. Btw, it possible to mount a EXT4 volume as an EXT2 volume. You simppli not have the benefict of journaling. So, my advise should be : use ext4 on Linux system and mount then as ext2 on FreeBSD. If you want EXT4 on FreeBSD use FUSE. -- Jacques Foucry