From owner-freebsd-questions@freebsd.org Wed Sep 28 07:09:09 2016 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C3EBFBECE71 for ; Wed, 28 Sep 2016 07:09:09 +0000 (UTC) (envelope-from vas@mpeks.tomsk.su) Received: from relay2.tomsk.ru (mail.sibptus.tomsk.ru [212.73.124.5]) by mx1.freebsd.org (Postfix) with ESMTP id 01734D27; Wed, 28 Sep 2016 07:09:07 +0000 (UTC) (envelope-from vas@mpeks.tomsk.su) X-Virus-Scanned: by clamd daemon 0.98.5_1 for FreeBSD at relay2.tomsk.ru Received: from [212.73.125.240] (HELO admin.sibptus.transneft.ru) by relay2.tomsk.ru (CommuniGate Pro SMTP 5.1.16) with ESMTPS id 39362983; Wed, 28 Sep 2016 13:08:46 +0600 Received: from admin.sibptus.transneft.ru (sudakov@localhost [127.0.0.1]) by admin.sibptus.transneft.ru (8.14.9/8.14.9) with ESMTP id u8S795OJ018441; Wed, 28 Sep 2016 14:09:05 +0700 (KRAT) (envelope-from vas@mpeks.tomsk.su) Received: (from sudakov@localhost) by admin.sibptus.transneft.ru (8.14.9/8.14.9/Submit) id u8S793Lt018440; Wed, 28 Sep 2016 14:09:03 +0700 (KRAT) (envelope-from vas@mpeks.tomsk.su) X-Authentication-Warning: admin.sibptus.transneft.ru: sudakov set sender to vas@mpeks.tomsk.su using -f Date: Wed, 28 Sep 2016 14:09:03 +0700 From: Victor Sudakov To: Matthew Seaman Cc: freebsd-questions Subject: Re: complete clone/restore from a ZFS-based system replication stream Message-ID: <20160928070903.GA18170@admin.sibptus.transneft.ru> References: <20160926154720.GA75556@admin.sibptus.transneft.ru> <688eec35-bc7b-ae05-b765-106933b522d1@sentex.net> <20160927085322.GA96393@admin.sibptus.transneft.ru> <78faa2e2-0e44-27ef-eaf0-0f0fc358cc09@sentex.net> <20160928023144.GA8980@admin.sibptus.transneft.ru> <20160928023521.GA9537@admin.sibptus.transneft.ru> <05adb002-85c7-1728-6943-30f171c5f03a@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <05adb002-85c7-1728-6943-30f171c5f03a@FreeBSD.org> Organization: AO "Svyaztransneft", SibPTUS X-PGP-Key: http://www.dreamwidth.org/pubkey?user=victor_sudakov X-PGP-Fingerprint: 10E3 1171 1273 E007 C2E9 3532 0DA4 F259 9B5E C634 User-Agent: Mutt/1.6.1 (2016-04-27) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Sep 2016 07:09:09 -0000 Matthew Seaman wrote: > > but what if I just wanted to test the stream without actually receiving it? > > Pipe the stream into zstreamdump(8) -- this will print out headers and > some statistics from the stream and verify all of the checksums. A good tool, but... I have deliberately manually corrupted a stream and fed it to zstreamdump. It found an "Incorrect checksum in record header" but zstreamdump's exit code is still 0. :-( -- Victor Sudakov, VAS4-RIPE, VAS47-RIPN sip:sudakov@sibptus.tomsk.ru