From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 256C51382C5 for ; Sat, 29 May 2021 20:33:05 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id B76FDE0802; Sat, 29 May 2021 20:33:00 +0000 (UTC) Received: from mail144c7.megamailservers.com (mail774.megamailservers.com [69.49.98.84]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 65461E0798 for ; Sat, 29 May 2021 20:33:00 +0000 (UTC) X-Authenticated-User: admin@sys-concept.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megamailservers.com; s=mailtor; t=1622320380; bh=rgbEU/aeYg0jme+2mzW4vR7vuceOXMp0m3lJvrVpnH0=; h=To:References:From:Subject:Date:In-Reply-To:From; b=cWuq/kOw7UHdRMAORn2HYBli4P1+ltha9MpE4+RQ1MhXy+e2ZtgnJl2EjBvGJtzgI n+YvmM6nYMzw+esnWHMgOtTvOS/MuwWhvdrgBpl77e6GaTc+ukuBdp4euUofgKT8jL ucg38yXv52jjBBvG08aV+FWQKTGotvW+2h/Uri/k= Feedback-ID:thelma@sys-conc X-VIP: 69.49.109.100 Received: from [10.0.0.109] 184.69.242.18":"58440 ([184.69.242.18]) (authenticated bits=0) by mail144c7.megamailservers.com (8.14.9/8.13.1) with ESMTP id 14TKWwlW011681 for ; Sat, 29 May 2021 16:32:59 -0400 To: gentoo-user@lists.gentoo.org References: <1eee5cf4-9234-07cf-4b83-7de431483d51@sys-concept.com> From: thelma@sys-concept.com Subject: Re: [gentoo-user] is "scp" reliable? Message-ID: Date: Sat, 29 May 2021 14:32:55 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-CA Content-Transfer-Encoding: 8bit X-CTCH-RefID: str=0001.0A742F1F.60B2A4FB.0031:SCFSTAT54230205,ss=1,re=-4.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-CTCH-VOD: Unknown X-CTCH-Spam: Unknown X-CTCH-Score: -4.000 X-CTCH-Rules: X-CTCH-Flags: 0 X-CTCH-ScoreCust: 0.000 X-CSC: 0 X-CHA: v=2.3 cv=RIPN4Lq+ c=1 sm=1 tr=0 a=u3gW5Uk2xAGXuEgp5FffjQ==:117 a=u3gW5Uk2xAGXuEgp5FffjQ==:17 a=IkcTkHD0fZMA:10 a=046jbqsEAAAA:8 a=2tZGXDA-3yGWT4CHSeAA:9 a=QEXdDO2ut3YA:10 a=bGzDz6Hpkc7_N_b525It:22 X-VADE-SPAMSTATE: clean X-VADE-SPAMSCORE: 0 X-VADE-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgeduledrvdekledgudehudcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfjqffuvffqrffktedpqfgfvfdpvedtjeenuceurghilhhouhhtmecufedtudenucenucfjughrpefvfhfhuffkffgfgggjtgfgsehtkeertddtfeejnecuhfhrohhmpehthhgvlhhmrgesshihshdqtghonhgtvghpthdrtghomhenucggtffrrghtthgvrhhnpeevtdegfefhgefhvdeuffduffdufeeuuedthffgveeileekheetveevudefhfffjeenucfkphepudekgedrieelrddvgedvrddukeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedukeegrdeiledrvdegvddrudekpdhhvghloheplgdutddrtddrtddruddtlegnpdhmrghilhhfrhhomhepthhhvghlmhgrsehshihsqdgtohhntggvphhtrdgtohhmpdhrtghpthhtohepghgvnhhtohhoqdhushgvrheslhhishhtshdrghgvnhhtohhordhorhhg X-Origin-Country: CA X-Archives-Salt: 1c71fd0e-8bde-44b7-812e-bc1e598c75ef X-Archives-Hash: da6dc88925bac1bf937f1d8cc76b4eef On 5/29/21 2:00 PM, Mark Knecht wrote: > > > On Sat, May 29, 2021 at 12:54 PM > wrote: >> >> I use "scp" to copy large file over local network, windows-7_pro.ova (about 28GB) but I it failed to import the appliance with VirtualBox. >> Checking the md5sum of the source and destination it turn out they are different. >> >> Is "scp" reliable for large files? > > In my experience scp is reliable but for large files I'd probably opt for some version of rsync, possibly the -P option. That way if the transfer stops for some reason you can generally pick up where it left off. > > HTH, > Mark Another mystery. I copied the file to USB 1TB sandisk. md5sum check OK same as my computer md5sum /run/media/joseph/SSD-1TB/business/backup/VDI/windows-7_pro_May-23-21.ova 6f3348f1fb915af9c45806d947558a37 /run/media/joseph/SSD-1TB/business/backup/VDI/windows-7_pro_May-23-21.ova I mount the same USB 1TB sandisk on another computer and running md5sum on same file gives me different number, why??? md5sum /run/media/fd/SSD-1TB/business/backup/VDI/windows-7_pro_May-23-21.ova c478cb48e2f7961cb0e3eb452df6e642 /run/media/fd/SSD-1TB/business/backup/VDI/windows-7_pro_May-23-21.ova