From owner-freebsd-questions@freebsd.org Fri Sep 11 06:31:20 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 BF3C43EF357 for ; Fri, 11 Sep 2020 06:31:20 +0000 (UTC) (envelope-from ludovit.koren@gmail.com) Received: from mail-ot1-x344.google.com (mail-ot1-x344.google.com [IPv6:2607:f8b0:4864:20::344]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Bnm9h04Qwz3dgm for ; Fri, 11 Sep 2020 06:31:19 +0000 (UTC) (envelope-from ludovit.koren@gmail.com) Received: by mail-ot1-x344.google.com with SMTP id h17so7511521otr.1 for ; Thu, 10 Sep 2020 23:31:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=TzCMhnr1E577tT474s7lhBnrmo7R92e0T7iUPaZ2T4c=; b=M2+30fS9OoIZ44Tc9H7xiM6cZMtQD6FJ75O01XGUcXQOb/7zlXDVOjYD/Wfs6r9mOO vk/dj3l6/FFViMM4iAjiSmwSo3DiLSFqYOQ+t83uBUYdTf58XOMH57kPYgFXwKcxDDF4 z5GimltynAK79eFPlnykbS+OgWZRs8uQOfRkWiiIH0YfBSh0IFxKF/jOttpXitCvKLQ9 rgRD7xwr4I6tAUwVYzSSXwiX7NeevLHUaEYyRnfWL5KYjj4tjcbmrAJwO+tQEUxt98Ue fZWZmjsBWzFkxgiFYp1T0aS0Mkc5n58vBynpnv8ofLgGNaagDGTPV5rPVZKzpH77Ei1k pmXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=TzCMhnr1E577tT474s7lhBnrmo7R92e0T7iUPaZ2T4c=; b=KpGOVmRWLKckpYBPLSlXlmZZzWZuqf6/b7AeE5ldpVf6x1qXNircG0AI2JBe84wfY4 h5zXTi+0gzZJBOZE0Ck/WtBmQLbBB7cWU7S4MNyvQ0uFawK1EzCV9rcDLyejejWo/saE 8gKOCmTuMt+tTplTdJZLPcum4WbeaaWw04XJA+NhFCVZtQtUO7ZWPugsALdXdBZgY/JH Cu1nqv/ziH0C25cvGriWEtpUceJMQDquZaRpPo8wpl8GYFpQl+0cTGh6F42EU5dtOR9J sS+WTHLlWmRPLkPirlhpssNTd2OfSaVduAp0/Kpf1q72Qx58r8VXnZ4u1/Orv1Cbv6xD I35A== X-Gm-Message-State: AOAM531aNXvTpe44PgjtylSKS8w9P6ahWGvSCQIrrk2TmFZTO3loE4pE cmxp6NkMathPyGK+ukZkdT40NcGj+S+cphV7lnk= X-Google-Smtp-Source: ABdhPJwnl3QYGk2BUE52YYJy+ucf/gSCUNXaonP09jjgr/ZG3KjvJ0OswQuoygkHgkV5JDQLmD4KUhd/v7j4SFD1yTY= X-Received: by 2002:a05:6830:1bf9:: with SMTP id k25mr312692otb.310.1599805878591; Thu, 10 Sep 2020 23:31:18 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a9d:6518:0:0:0:0:0 with HTTP; Thu, 10 Sep 2020 23:31:18 -0700 (PDT) In-Reply-To: <54720a77-5a14-06f9-c146-17e1e8f8a99e@holgerdanske.com> References: <54720a77-5a14-06f9-c146-17e1e8f8a99e@holgerdanske.com> From: Ludovit Koren Date: Fri, 11 Sep 2020 08:31:18 +0200 Message-ID: Subject: Re: ZFS snapshot - rollback problem To: David Christensen Cc: "freebsd-questions@freebsd.org" X-Rspamd-Queue-Id: 4Bnm9h04Qwz3dgm X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=M2+30fS9; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of ludovitkoren@gmail.com designates 2607:f8b0:4864:20::344 as permitted sender) smtp.mailfrom=ludovitkoren@gmail.com X-Spamd-Result: default: False [-4.45 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.51)[-1.508]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.97)[-0.965]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-0.98)[-0.981]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::344:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-questions] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 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: Fri, 11 Sep 2020 06:31:20 -0000 On Friday, September 11, 2020, David Christensen wrote: > On 2020-09-10 07:18, Ludovit Koren wrote: > >> Hi, >> > > Hello. :-) > > > I have the following configuration: >> >> ~>uname -a >> FreeBSD XxX 11.3-STABLE FreeBSD 11.3-STABLE #1 r354607: Mon Nov 11 >> 12:19:28 CET 2019 root@jedi:/usr/obj/usr/src/sys/HP amd64 >> > > Thank you for posting that. > > > Do you understand the difference between RELEASE and STABLE? > > https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/ > current-stable.html > > > > I think, I do. > ~>zfs list >> NAME USED AVAIL REFER MOUNTPOINT >> zroot 244G 0 10.7G /mnt >> zroot/Centos8 6.80G 4.13G 2.67G - >> zroot/msw7 44.9G 25.8G 19.1G - >> zroot/swapdisk0 40.8G 20.6G 20.2G - >> zroot/usr 131G 0 50.9G /usr >> zroot/usr/home 80.1G 0 80.1G /usr/home >> zroot/var 9.94G 0 9.94G /var >> > > > I do not understand how your system can work at all if the root filesystem > is mounted at /mnt (?). Is your FreeBSD running on a different disc? Do > you have a multiple system disks, multi-boot, etc.? > > > If you see the time of creation, I think at that time it was a workaround how to install on the zfs. I did not changed it, since. No the FreeBSD is running from the disk. I have neither multiple system disks, nor multi-boot. In the /boot/loader.conf I have vfs.root.mountfrom="zfs.zroot" After zfs snapshot, which I did on the root, >> > > Please post your console session. > > > Please run the following commands and post the console session: > > # camcontrol devlist > # gpart show > > # mount > > # zpool status > > > > camcontrol devlist at scbus0 target 0 lun 0 (ada0,pass0) at scbus3 target 0 lun 0 (pass1) gpart show => 34 500118125 ada0 GPT (238G) 34 128 1 freebsd-boot (64K) 162 500117997 2 freebsd-zfs (238G) mount zroot on / (zfs, local, nfsv4acls) devfs on /dev (devfs, local, multilabel) fdescfs on /dev/fd (fdescfs) procfs on /proc (procfs, local) linprocfs on /compat/linux/proc (linprocfs, local) zroot/usr on /usr (zfs, local, nfsv4acls) zroot/usr/home on /usr/home (zfs, local, nfsv4acls) zroot/var on /var (zfs, local, nfsv4acls) tmpfs on /var (tmpfs, local) map -hosts on /net (autofs) map -media on /media (autofs) tmpfs on /tmp (tmpfs, local) zpool status pool: zroot state: ONLINE status: Some supported features are not enabled on the pool. The pool can still be used, but some features are unavailable. action: Enable all features using 'zpool upgrade'. Once this is done, the pool may no longer be accessible by software that does not support the features. See zpool-features(7) for details. scan: resilvered 0 in 0 days 00:00:00 with 0 errors on Sat Apr 6 20:39:05 2019 config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 gpt/disk0 ONLINE 0 0 0 errors: No known data errors