From owner-freebsd-questions@freebsd.org Thu Sep 10 14:18:42 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 11BD73D846F for ; Thu, 10 Sep 2020 14:18:42 +0000 (UTC) (envelope-from ludovit.koren@gmail.com) Received: from mail-oo1-xc2b.google.com (mail-oo1-xc2b.google.com [IPv6:2607:f8b0:4864:20::c2b]) (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 4BnLbP0z70z44SP for ; Thu, 10 Sep 2020 14:18:40 +0000 (UTC) (envelope-from ludovit.koren@gmail.com) Received: by mail-oo1-xc2b.google.com with SMTP id 4so1469043ooh.11 for ; Thu, 10 Sep 2020 07:18:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:from:date:message-id:subject:to; bh=qtBQI2eK9yXdC26KQfOQZsz/0TeV7S18Ov7I2Nap7YQ=; b=mNBVPG0s1iL+e+Qlg8YOThEy/LOg7L6taMKfu8niODsnVs374XZybaNbN9dUaMBgcd Ohl0r35OZVrwSIKY+ojQuiTpAYKnreNULdNAkZvS84Jq0P0JcxXasu3eH1YMOtT9nPqD AoaTxJJMw+IW1MeAppCZ68AbhrwHmIc5/Da7g14BLhq74am7q+qFnDK/7J35/6Fkap8R FCxHmkHkc11F3TqvZFpS/b2HeqP6uiMO4BeXP2Lqej21/DPKnu3BdFPmVWfiM2hKf16y HBGgYEV/xrL9rI50mL8Iut0taKcv1/czNlGEWAFKuXd8OOv6vvfeOo9ZqSvyJ3DzN/5C xJNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:from:date:message-id:subject :to; bh=qtBQI2eK9yXdC26KQfOQZsz/0TeV7S18Ov7I2Nap7YQ=; b=L18yDxsq80fhEtEEzDTTcI0nTWs2Dr5YUUcQhRxIo5+77WialwiE2zJcGcKYovTvMk fNw1OukTgw363KMRt+Rd3yDwMkrZX8pPxX0Zo6tPOVi+Q1xjlRLmDWX7lo1KzipGNKPm Hi9GQOECyUoGojsaAs68zcgjfcPv12VRPGmGPG+jzIyJeHe38ofaUf10yxbBByn36NPR +1hyeUFvHqmhFW/MztAehbf+6AV81kke7QyTkWB+uw1V2y7Akdx/Se2peZf7n8qtrVNR YNz2eKnWkuK9VIcTrXuOYkv3vAjvocXLIt58YiBBSJfKk5rqhZt8F6JoqEh0H2Ca9w+T XxEg== X-Gm-Message-State: AOAM533s4i02/w2LGL9quy6xUMzezNJ6KOslIXIY9YunBb1SnVy+GVz2 91zVlqjoyeAYgrrvMhVLJrIxmBoht3pu3l4ZyMbrYHSG X-Google-Smtp-Source: ABdhPJxwgEUWFiqsiv/726SmUYUVTYBkn1+RivzYhnLthHPFOOu6Z8Omk5s8MS7rWjqzZxmmBDZbCXULJp06nR1NnQ8= X-Received: by 2002:a4a:e516:: with SMTP id r22mr4622434oot.3.1599747519687; Thu, 10 Sep 2020 07:18:39 -0700 (PDT) MIME-Version: 1.0 Sender: ludovit.koren@gmail.com Received: by 2002:a9d:6518:0:0:0:0:0 with HTTP; Thu, 10 Sep 2020 07:18:39 -0700 (PDT) From: Ludovit Koren Date: Thu, 10 Sep 2020 16:18:39 +0200 X-Google-Sender-Auth: -SkypHIINoExW4MHByeuBOK8f1I Message-ID: Subject: ZFS snapshot - rollback problem To: freebsd-questions@freebsd.org X-Rspamd-Queue-Id: 4BnLbP0z70z44SP X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=mNBVPG0s; dmarc=none; spf=pass (mx1.freebsd.org: domain of ludovitkoren@gmail.com designates 2607:f8b0:4864:20::c2b as permitted sender) smtp.mailfrom=ludovitkoren@gmail.com X-Spamd-Result: default: False [-1.86 / 15.00]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; TO_DN_NONE(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; FORGED_SENDER(0.30)[ludovit_koren@tempest.sk,ludovitkoren@gmail.com]; 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)[]; FROM_NEQ_ENVFROM(0.00)[ludovit_koren@tempest.sk,ludovitkoren@gmail.com]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.97)[-0.970]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; SH_EMAIL_DBL_DONT_QUERY_IPS(0.00)[0.3.16.205:email]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.996]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; DMARC_NA(0.00)[tempest.sk]; RCPT_COUNT_ONE(0.00)[1]; DBL_PROHIBIT(0.00)[0.3.16.205:email]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::c2b:from]; NEURAL_SPAM_SHORT(0.30)[0.301]; 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: Thu, 10 Sep 2020 14:18:42 -0000 Hi, 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 ~>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 After zfs snapshot, which I did on the root, I got: ~>zfs list -t snapshot NAME USED AVAIL REFER MOUNTPOINT zroot@200909 1K - 10.7G - zroot/Centos8@200909 1K - 2.67G - zroot/msw7@200909 1K - 19.1G - zroot/swapdisk0@200909 0 - 20.2G - zroot/usr@200909 1K - 50.9G - zroot/usr/home@200909 1K - 80.1G - zroot/var@200909 1K - 9.94G - i.e. whole filesystem is read only. I am not able to do neither rollback, nor destroy of the snapshot. Is there any possibility to reset the filesystem to the read-write mode? Any help is greatly appreciated. Regards, lk