From nobody Thu Jul 7 09:30:20 2022 X-Original-To: freebsd-fs@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 891AC10F90F6; Thu, 7 Jul 2022 09:30:29 +0000 (UTC) (envelope-from ronald-lists@klop.ws) Received: from smarthost1.greenhost.nl (smarthost1.greenhost.nl [195.190.28.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Ldrjw0VlKz56j5; Thu, 7 Jul 2022 09:30:27 +0000 (UTC) (envelope-from ronald-lists@klop.ws) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=klop.ws; s=mail; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From:References: To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To:Cc:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=ZUYlyrXG7EUqmzxgHbbFDNwEBYbTFdztQUFVSpcji9I=; b=HfwVADl+ur5WD4uQ/KRzFZ8a8L EdjE2dCCN7ghOyZOYeBDrW4LrJoIGD3+JTPICbDdxl2zbpoVbEcm2KCjYiWcwOxkP2C6jfv2Y0ZQt GR8kBB8hjtfmZYOGnG/k0hkiC3V7tzQOYxK3n2+ZTYv4IEA4CjNZ3nGUo36kzy7j6BhI=; Message-ID: <1d44f820-da80-8a65-ec5f-35632a7dd971@klop.ws> Date: Thu, 7 Jul 2022 11:30:20 +0200 List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: set timestamp from ZFS-root - (was: Re: RPI4 + ntpdate + unbound) Content-Language: en-US To: freebsd-arm@freebsd.org, freebsd-fs@freebsd.org References: From: Ronald Klop In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authenticated-As-Hash: 398f5522cb258ce43cb679602f8cfe8b62a256d1 X-Virus-Scanned: by clamav at smarthost1.greenhost.nl X-Spam-Level: / X-Spam-Score: -0.4 X-Spam-Status: No, score=-0.4 required=5.0 tests=ALL_TRUSTED,BAYES_50,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,T_SCC_BODY_TEXT_LINE autolearn=disabled version=3.4.2 X-Scan-Signature: c74461a82029b6293650421ecb57b64a X-Rspamd-Queue-Id: 4Ldrjw0VlKz56j5 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=klop.ws header.s=mail header.b=HfwVADl+; dmarc=pass (policy=quarantine) header.from=klop.ws; spf=pass (mx1.freebsd.org: domain of ronald-lists@klop.ws designates 195.190.28.88 as permitted sender) smtp.mailfrom=ronald-lists@klop.ws X-Spamd-Result: default: False [-1.00 / 15.00]; DMARC_POLICY_ALLOW(-0.50)[klop.ws,quarantine]; R_DKIM_ALLOW(-0.20)[klop.ws:s=mail]; R_SPF_ALLOW(-0.20)[+ip4:195.190.28.64/27]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_ZERO(0.00)[0]; MLMMJ_DEST(0.00)[freebsd-arm,freebsd-fs]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[195.190.28.88:from]; RCPT_COUNT_TWO(0.00)[2]; DKIM_TRACE(0.00)[klop.ws:+]; FROM_HAS_DN(0.00)[]; ASN(0.00)[asn:47172, ipnet:195.190.28.0/24, country:NL]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; MID_RHS_MATCH_FROM(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On 7/6/22 11:47, Peter Jeremy wrote: > On 2022-Jul-01 21:02:05 -0700, John Kennedy wrote: >> So I've got a RPI4 (no system time stored in NVRAM) that I did a stock >> type FreeBSD install on setting the time with ntpdate and the unbound >> DNS server (aiming for DNSSEC). As many people have noted before me, >> that setup is sort of broken because you can't look up DNSSEC hosts if >> you think it's 1970. No NTP time servers == no date reset == no DNS. > > If you're running UFS, the system clock should get set to the timestamp > in the superblock. That will be the last sync before the previous > shutdown so it'll be minutes to hours out of date but that should be > recent enough for DNSSEC to work. > > Note that this only works on UFS - see > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254058 > > As an alternative option, the RTC in both the Rock64 and RockPro64 > are supported. > This is a nifty feature I did not know about. Cc-ing freebsd-fs@ to try get some attention on this. Is it possible to implement this on ZFS? Ronald.