From owner-freebsd-questions@freebsd.org Sat Sep 12 20:38:24 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 5ED5D3E2607 for ; Sat, 12 Sep 2020 20:38:24 +0000 (UTC) (envelope-from dpchrist@holgerdanske.com) Received: from holgerdanske.com (holgerdanske.com [IPv6:2001:470:0:19b::b869:801b]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "www.holgerdanske.com", Issuer "www.holgerdanske.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Bpkwb14NKz4V3B for ; Sat, 12 Sep 2020 20:38:22 +0000 (UTC) (envelope-from dpchrist@holgerdanske.com) Received: from 99.100.19.101 (99-100-19-101.lightspeed.frokca.sbcglobal.net [99.100.19.101]) by holgerdanske.com with ESMTPSA (TLS_AES_128_GCM_SHA256:TLSv1.3:Kx=any:Au=any:Enc=AESGCM(128):Mac=AEAD) (SMTP-AUTH username dpchrist@holgerdanske.com, mechanism PLAIN) for ; Sat, 12 Sep 2020 13:38:12 -0700 Subject: Re: ZFS snapshot - rollback problem To: freebsd-questions@freebsd.org References: <20200910143458.GA83264@esprimo> <20200910161309.GA56432@esprimo> <20200910165408.GA12834@esprimo> <43597e63-8c26-29a2-925a-55f5f91eaf1d@gmail.com> From: David Christensen Message-ID: <2f421c20-ae37-52fb-02f4-d227f513a92c@holgerdanske.com> Date: Sat, 12 Sep 2020 13:38:11 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <43597e63-8c26-29a2-925a-55f5f91eaf1d@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4Bpkwb14NKz4V3B X-Spamd-Bar: +++ Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of dpchrist@holgerdanske.com has no SPF policy when checking 2001:470:0:19b::b869:801b) smtp.mailfrom=dpchrist@holgerdanske.com X-Spamd-Result: default: False [3.12 / 15.00]; RCVD_TLS_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; 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_SPAM_SHORT(0.57)[0.568]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_DN_NONE(0.00)[]; AUTH_NA(1.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_SPAM_MEDIUM(0.89)[0.892]; ARC_NA(0.00)[]; DBL_PROHIBIT(0.00)[0.3.16.205:email]; NEURAL_SPAM_LONG(0.76)[0.757]; DMARC_NA(0.00)[holgerdanske.com]; R_SPF_NA(0.00)[no SPF record]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-questions] 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: Sat, 12 Sep 2020 20:38:24 -0000 On 2020-09-12 02:56, Graham Perrin wrote: > On 10/09/2020 17:54, Christoph Brinkhaus wrote: >> … May be you should first delete the snapshot of zroot/swapdisk0@200909. >> If that does not work you might have to boot from a different medium >> as the USB installer stick and handle the pool when it is inactive. … > Boot from a different medium sounds, to me, like a good idea. If you > have not already done so. +1 using a USB flash drive containing the FreeBSD-*.*-*-*-memstick.img that matches the OS/pool on the target device. David