From nobody Mon May 18 08:23:42 2026 X-Original-To: questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gJrRd6tM4z6dyXC for ; Mon, 18 May 2026 08:23:41 +0000 (UTC) (envelope-from freebsd-doc@fjl.co.uk) Received: from smtp.fjl.org.uk (smtp.fjl.org.uk [185.174.224.37]) by mx1.freebsd.org (Postfix) with ESMTP id 4gJrRd315Dz3mgs for ; Mon, 18 May 2026 08:23:41 +0000 (UTC) (envelope-from freebsd-doc@fjl.co.uk) Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of freebsd-doc@fjl.co.uk designates 185.174.224.37 as permitted sender) smtp.mailfrom=freebsd-doc@fjl.co.uk Received: from [192.168.1.154] (mux.fjl.org.uk [92.62.9.11]) (authenticated bits=0) by smtp.fjl.org.uk (8.14.4/8.14.4) with ESMTP id 64I8NepA019003 for ; Mon, 18 May 2026 09:23:40 +0100 (BST) (envelope-from freebsd-doc@fjl.co.uk) Message-ID: Date: Mon, 18 May 2026 09:23:42 +0100 List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Frank Leonhardt Subject: Re: Strange boot failure To: questions@freebsd.org References: Content-Language: en-GB In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-1.52 / 15.00]; NEURAL_HAM_LONG(-0.98)[-0.984]; NEURAL_HAM_MEDIUM(-0.93)[-0.927]; NEURAL_SPAM_SHORT(0.39)[0.389]; ONCE_RECEIVED(0.20)[]; R_SPF_ALLOW(-0.20)[+ip4:185.174.224.37:c]; MIME_GOOD(-0.10)[text/plain]; RCVD_NO_TLS_LAST(0.10)[]; ASN(0.00)[asn:12703, ipnet:185.174.224.0/24, country:GB]; RCVD_COUNT_ONE(0.00)[1]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]; R_DKIM_NA(0.00)[]; MLMMJ_DEST(0.00)[questions@freebsd.org]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DMARC_NA(0.00)[fjl.co.uk]; PREVIOUSLY_DELIVERED(0.00)[questions@freebsd.org]; RCPT_COUNT_ONE(0.00)[1] X-Spamd-Bar: - X-Rspamd-Queue-Id: 4gJrRd315Dz3mgs On 14/05/2026 18:40, Alexey Vyskubov wrote: > Hello, > > Asking hive mind: what could I forget? > > I have nda1, which I wanted to remove from the system. It has GPT > partition table: > > => 40 488397088 nda1 GPT (233G) > 40 4194304 1 zfs-main-log (2.0G) > 4194344 41943040 2 zefs-main-arc (20G) > 46137384 8388608 3 zfs-16tb-log (4.0G) > 54525992 83886080 4 zfs-16tb-arc (40G) > 138412072 134217728 5 ssd-swap (64G) > 272629800 215767328 6 ssd-1st-rest (103G) > > I did "zpool remove zroot /dev/gpt/gfs-main-log" and > "zpool remove zroot /dev/gpt/gfs-main-arc". I edited /etc/fstab and removed > swap entry for nda1. Then I powered off the machine, removed nda1 and powered > it on again. The system went into reboot loop (the bootloader starts, I think > it starts booting the kernel, but almost immediately the system reboots). I put > nda1 back, and the system boots fine (actually I'm writing this from it). > Obviously, I forgot something. What could it be? Some reference to nda1 in /boot/zfs/zpool.cache perhaps? zdb -C to dump it. Regards, Frank.