From nobody Thu May 27 18:26:22 2021 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 504ACC7DAB2 for ; Thu, 27 May 2021 18:27:01 +0000 (UTC) (envelope-from karl@denninger.net) Received: from colo1.denninger.net (colo1.denninger.net [104.236.120.189]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4FrbrN43zNz4csw for ; Thu, 27 May 2021 18:27:00 +0000 (UTC) (envelope-from karl@denninger.net) Received: from denninger.net (096-033-205-208.res.spectrum.com [96.33.205.208]) by colo1.denninger.net (Postfix) with ESMTP id 09954211089 for ; Thu, 27 May 2021 14:26:22 -0400 (EDT) Received: from [192.168.10.25] (D15.Denninger.Net [192.168.10.25]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by denninger.net (Postfix) with ESMTPSA id 725072F505D for ; Thu, 27 May 2021 14:26:23 -0400 (EDT) Subject: Re: simple question regarding moving zfs filesystems To: freebsd-fs@freebsd.org References: <9C587D2D-F923-4F37-A49A-9513F5BE2B8F@FreeBSD.org> From: Karl Denninger Message-ID: Date: Thu, 27 May 2021 14:26:22 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 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 In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-512; boundary="------------ms050601090500090408050908" X-Rspamd-Queue-Id: 4FrbrN43zNz4csw X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=pass (policy=none) header.from=denninger.net; spf=pass (mx1.freebsd.org: domain of karl@denninger.net designates 104.236.120.189 as permitted sender) smtp.mailfrom=karl@denninger.net X-Spamd-Result: default: False [-3.90 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; HAS_ATTACHMENT(0.00)[]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; DMARC_POLICY_ALLOW(-0.50)[denninger.net,none]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; R_DKIM_NA(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[104.236.120.189:from]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:14061, ipnet:104.236.64.0/18, country:US]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FREEFALL_USER(0.00)[karl]; FROM_HAS_DN(0.00)[]; SIGNED_SMIME(-2.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.20)[multipart/signed,multipart/alternative,text/plain]; MIME_TRACE(0.00)[0:+,1:+,2:+,3:~,4:~]; PREVIOUSLY_DELIVERED(0.00)[freebsd-fs@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[104.236.120.189:from:127.0.2.255]; NEURAL_SPAM_SHORT(1.00)[1.000]; MAILMAN_DEST(0.00)[freebsd-fs] X-ThisMailContainsUnwantedMimeParts: Y This is a cryptographically signed message in MIME format. --------------ms050601090500090408050908 Content-Type: multipart/alternative; boundary="------------FF9EC48DDFD20F691CF69B7C" Content-Language: en-US This is a multi-part message in MIME format. --------------FF9EC48DDFD20F691CF69B7C Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable On 5/27/2021 12:03, tech-lists wrote: > On Thu, May 27, 2021 at 12:00:32PM +0200, Dimitry Andric wrote: > >> I think you can use "zfs send -R" to achieve what you want: > > hm, i'm doing something wrong > > zfs snapshot -r data@total3 > [this works, returns to # prompt] > > zfs send -R -n -v data@total3 | zfs receive new [here i want a dry-run]= > > I get this error: cannot receive: invalid stream (bad magic number) > "-n" means "dry run, don't actually do it", so you sent nothing and thus = receive got nothing. --=20 Karl Denninger karl@denninger.net /The Market Ticker/ /[S/MIME encrypted email preferred]/ --------------FF9EC48DDFD20F691CF69B7C-- --------------ms050601090500090408050908 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCC DdgwggagMIIEiKADAgECAhMA5EiKghDOXrvfxYxjITXYDdhIMA0GCSqGSIb3DQEBCwUAMIGL MQswCQYDVQQGEwJVUzEQMA4GA1UECAwHRmxvcmlkYTESMBAGA1UEBwwJTmljZXZpbGxlMRkw FwYDVQQKDBBDdWRhIFN5c3RlbXMgTExDMRgwFgYDVQQLDA9DdWRhIFN5c3RlbXMgQ0ExITAf BgNVBAMMGEN1ZGEgU3lzdGVtcyBMTEMgMjAxNyBDQTAeFw0xNzA4MTcxNjQyMTdaFw0yNzA4 MTUxNjQyMTdaMHsxCzAJBgNVBAYTAlVTMRAwDgYDVQQIDAdGbG9yaWRhMRkwFwYDVQQKDBBD dWRhIFN5c3RlbXMgTExDMRgwFgYDVQQLDA9DdWRhIFN5c3RlbXMgQ0ExJTAjBgNVBAMMHEN1 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