From owner-freebsd-fs@freebsd.org Mon Feb 15 17:36:27 2021 Return-Path: Delivered-To: freebsd-fs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 793AC533566 for ; Mon, 15 Feb 2021 17:36:27 +0000 (UTC) (envelope-from artem@artem.ru) Received: from smtp34.i.mail.ru (smtp34.i.mail.ru [94.100.177.94]) (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 4DfWVf16DQz4qWN for ; Mon, 15 Feb 2021 17:36:25 +0000 (UTC) (envelope-from artem@artem.ru) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mail.ru; s=mail3; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Date:Message-ID:Subject:From:To:From:Subject:Content-Type:Content-Transfer-Encoding:To:Cc; bh=P83QYRYAahU9o4Pr0cE5Oy9S2BwSS3RAV3b/UFQDBnA=; b=QH6/vsphS+f0OoUNwgfStQ1jY3VX/V/x8SQvWcRnbxBZDnq+tabLXp4XPE2la0jEXu7yj2MuoFibR1IPZede2wW9y0lcoghIgjSU1zoRABTjbFftb6ynvjF4H5QOSD5/7wjcKlgNjli3A8jndJdvj90iRktwX7QPPO5Uiy87KPQ=; Received: by smtp34.i.mail.ru with esmtpa (envelope-from ) id 1lBhnK-0000wP-3C for freebsd-fs@freebsd.org; Mon, 15 Feb 2021 20:36:22 +0300 To: freebsd-fs@freebsd.org From: Artem Kuchin Subject: Simulating bad sectors on file based storage device. How? Message-ID: <1c372ed8-f5fb-0637-9cce-e892cb38ed28@artem.ru> Date: Mon, 15 Feb 2021 20:36:26 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: ru X-7564579A: 646B95376F6C166E X-77F55803: 4F1203BC0FB41BD91883A1EE8D2E99320BEAE35521DD1BA8AF4307321059D6B3182A05F53808504098450C9E801D78CA49CE03D0F0C20979BC686FA10C6F7D457E060CA57E5FB8A2 X-7FA49CB5: FF5795518A3D127A4AD6D5ED66289B5278DA827A17800CE7D114FA852BF02E08EA1F7E6F0F101C67BD4B6F7A4D31EC0BCC500DACC3FED6E28638F802B75D45FF8AA50765F79006372B866E63D69A26578638F802B75D45FF5571747095F342E8C7A0BC55FA0FE5FC8726D74DEFB7B5A8028A5EF30CB2405BBB391AFA0C313C0A389733CBF5DBD5E913377AFFFEAFD269176DF2183F8FC7C045A75973B56231AD8941B15DA834481FCF19DD082D7633A0EF3E4896CB9E6436389733CBF5DBD5E9D5E8D9A59859A8B6E954A0C70C50C109CC7F00164DA146DA6F5DAA56C3B73B237318B6A418E8EAB8D32BA5DBAC0009BE9E8FC8737B5C2249B9421E6AB0F59BC976E601842F6C81A12EF20D2F80756B5F7E9C4E3C761E06A776E601842F6C81A127C277FBC8AE2E8B5F89305699A7FCB33AA81AA40904B5D9DBF02ECDB25306B2B25CBF701D1BE8734AD6D5ED66289B5278DA827A17800CE754A400A07F115C5967F23339F89546C5A8DF7F3B2552694A6FED454B719173D6725E5C173C3A84C369456C5265B6C55C35872C767BF85DA2F004C906525384306FED454B719173D6462275124DF8B9C9D28595B116005B47574AF45C6390F7469DAA53EE0834AAEE X-C1DE0DAB: C20DE7B7AB408E4181F030C43753B8186998911F362727C414F749A5E30D975C1C18E6A7EDD591E61652B662FA314152FE03ADF03D22097E9C2B6934AE262D3EE7EAB7254005DCED722383FBE7D0D3A71E0A4E2319210D9B64D260DF9561598F01A9E91200F654B06CE7B4E551862B828E8E86DC7131B365E7726E8460B7C23C X-C8649E89: 4E36BF7865823D7055A7F0CF078B5EC49A30900B95165D349EC559D073CA5B68C1B955C0DEDAF02FDFB412A17349609A4E7D10880B12AC856649CBB2BAC53FCF1D7E09C32AA3244C31CB558EAB41630C1E6F495396431D1E95A9E0DC41E9A4CF3EB3F6AD6EA9203E X-D57D3AED: 3ZO7eAau8CL7WIMRKs4sN3D3tLDjz0dLbV79QFUyzQ2Ujvy7cMT6pYYqY16iZVKkSc3dCLJ7zSJH7+u4VD18S7Vl4ZUrpaVfd2+vE6kuoey4m4VkSEu530nj6fImhcD4MUrOEAnl0W826KZ9Q+tr5ycPtXkTV4k65bRjmOUUP8cvGozZ33TWg5HZplvhhXbhDGzqmQDTd6OAevLeAnq3Ra9uf7zvY2zzsIhlcp/Y7m53TZgf2aB4JOg4gkr2biojiBTwj6noE5e1NUCf3R2mSA== X-Mailru-Sender: 332320C0CE44B5007D883C09EB686233414F47965E1C023F72A9B5B09F89FB5A058B4CC93B12BFF90A1FD29A504278DEE66B5C1DBFD5D09D2FFF0A5F0DFA254CD0701747CC0EF98689F635B1FCB23A66AE208404248635DF X-Mras: Ok X-Rspamd-Queue-Id: 4DfWVf16DQz4qWN X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=mail.ru header.s=mail3 header.b=QH6/vsph; dmarc=none; spf=none (mx1.freebsd.org: domain of artem@artem.ru has no SPF policy when checking 94.100.177.94) smtp.mailfrom=artem@artem.ru X-Spamd-Result: default: False [-1.46 / 15.00]; ARC_NA(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[94.100.177.94:from]; R_DKIM_ALLOW(-0.20)[mail.ru:s=mail3]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[artem.ru]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[94.100.177.94:from:127.0.2.255]; DKIM_TRACE(0.00)[mail.ru:+]; NEURAL_HAM_SHORT(-0.16)[-0.156]; RCVD_IN_DNSWL_NONE(0.00)[94.100.177.94:from]; R_SPF_NA(0.00)[no SPF record]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:47764, ipnet:94.100.176.0/20, country:RU]; MID_RHS_MATCH_FROM(0.00)[]; MAILMAN_DEST(0.00)[freebsd-fs] X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Feb 2021 17:36:27 -0000 Hello! Is there a way to build a file base storage device (for example, file based zfs mirror) and then simulate a bad sector for one of the mirror sides? Artem