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Thu, 22 Jul 2021 05:04:36 -0700 (PDT) Received: from fear.42d5jdr1ae0e5fq41uv0tg4b0a.zx.internal.cloudapp.net ([51.145.24.111]) by smtp.gmail.com with ESMTPSA id l24sm2387977wmi.30.2021.07.22.05.04.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jul 2021 05:04:36 -0700 (PDT) Received: from localhost (fear.42d5jdr1ae0e5fq41uv0tg4b0a.zx.internal.cloudapp.net [local]) by fear.42d5jdr1ae0e5fq41uv0tg4b0a.zx.internal.cloudapp.net (OpenSMTPD) with ESMTPA id f9d8a1f0; Thu, 22 Jul 2021 13:04:15 +0100 (BST) Date: Thu, 22 Jul 2021 13:04:15 +0100 From: Ceri Davies To: Helder Novais Cc: freebsd-doc@freebsd.org Subject: Re: Ext4 read-only warning, Handbook Message-ID: References: List-Id: Documentation project List-Archive: https://lists.freebsd.org/archives/freebsd-doc List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-doc@freebsd.org MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="p0fDWJlZA3bccfxC" Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 4GVrjL6xwyz4YpQ X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; 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MIME_GOOD(-0.20)[multipart/signed,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-doc@freebsd.org]; NEURAL_SPAM_MEDIUM(0.92)[0.919]; SPAMHAUS_ZRD(0.00)[2a00:1450:4864:20::32f:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::32f:from]; R_SPF_NA(0.00)[no SPF record]; MAILMAN_DEST(0.00)[freebsd-doc]; DMARC_POLICY_SOFTFAIL(0.10)[submonkey.net : No valid SPF, DKIM not aligned (relaxed),none] X-ThisMailContainsUnwantedMimeParts: N --p0fDWJlZA3bccfxC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jul 09, 2021 at 07:02:18PM +0100, Helder Novais wrote: > The handbook reveals that FreeBSD has limited support to EXT journalling= =20 > and encryption, however, it doesn't explain how limited the support is. >=20 > I mounted an ext4 partition that was meant to be shared with linux (yes,= =20 > with journalling, my bad) and the files edited in were corrupted. I had= =20 > to run fsck on it and fix the errors, with potential loss of data. >=20 > Only after that did I read: https://wiki.freebsd.org/Ext2fs > " >=20 > NOTE: If you are trying to mount Ext4 partitions, and we don't yet=20 > support writing on your particular release, remember to specifically=20 > mount the filesystem *read-only*. >=20 > " >=20 > As a warning to new users, could you please add this line to the=20 > Handbook? This note is VERY important and shouldn't be left out. Thanks for this - I've submitted https://reviews.freebsd.org/D31273 and some version of it will get committed soon. 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