From owner-freebsd-fs@freebsd.org Mon Dec 4 01:26:58 2017 Return-Path: Delivered-To: freebsd-fs@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 ECA19E6FFC5 for ; Mon, 4 Dec 2017 01:26:58 +0000 (UTC) (envelope-from mi+thun@aldan.algebra.com) Received: from symbion.zaytman.com (inet-64-112-176-10.bos.netblazr.com [64.112.176.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "symbion", Issuer "Narawntapu" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id AAC2272AFF for ; Mon, 4 Dec 2017 01:26:57 +0000 (UTC) (envelope-from mi+thun@aldan.algebra.com) Received: from narawntapu.narawntapu (pool-108-53-87-28.nwrknj.fios.verizon.net [108.53.87.28]) by symbion.zaytman.com (8.15.2/8.15.2) with ESMTPS id vB41QtZh001104 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 3 Dec 2017 20:26:55 -0500 (EST) (envelope-from mi+thun@aldan.algebra.com) X-Authentication-Warning: symbion.zaytman.com: Host pool-108-53-87-28.nwrknj.fios.verizon.net [108.53.87.28] claimed to be narawntapu.narawntapu Received: from aldan.narawntapu (aldan [192.168.1.10]) by narawntapu.narawntapu (8.15.2/8.15.2) with ESMTP id vB41QrZC042886; Sun, 3 Dec 2017 20:26:53 -0500 (EST) (envelope-from mi+thun@aldan.algebra.com) X-Authentication-Warning: narawntapu.narawntapu: Host aldan [192.168.1.10] claimed to be aldan.narawntapu Subject: Re: Low-level format an SATA-drive? References: <5b6394f6-1c0a-5b1e-bf5e-84e848905392@aldan.algebra.com> From: "Mikhail T." To: freebsd-fs , Warner Losh Message-ID: Date: Sun, 3 Dec 2017 20:26:53 -0500 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-DCC-Etherboy-Metrics: narawntapu 1002; Body=2 Fuz1=2 Fuz2=2 X-Spam-Status: No, score=-2.9 required=7.5 tests=ALL_TRUSTED,BAYES_00, HTML_MESSAGE autolearn=ham autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on narawntapu.narawntapu Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.25 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Dec 2017 01:26:59 -0000 On 03.12.2017 20:19, Warner Losh wrote: > I say maybe in both cases because it's a crapshoot once drives get bad > enough to start throwing bad sectors back to the OS. Modern HDD will > remap bad sectors on rewrite Thanks for the prompt reply. It is a 3Tb Seagate Barracuda. And it is not throwing bad sectors, it seems worse: ahcich4: Timeout on slot 6 port 0 ahcich4: is 00000000 cs 00000040 ss 00000000 rs 00000040 tfd d0 serr 00000000 cmd 0000c617 ahcich4: AHCI reset: device not ready after 31000ms (tfd = 00000080) ahcich4: Timeout on slot 7 port 0 ahcich4: is 00000000 cs 00000080 ss 00000000 rs 00000080 tfd 80 serr 00000000 cmd 0000c017 (aprobe0:ahcich4:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 (aprobe0:ahcich4:0:0:0): CAM status: Command timeout (aprobe0:ahcich4:0:0:0): Retrying command ahcich4: Timeout on slot 13 port 0 ahcich4: is 00000000 cs 00002000 ss 00000000 rs 00002000 tfd d0 serr 00000000 cmd 0000cd17 ahcich4: AHCI reset: device not ready after 31000ms (tfd = 00000080) ahcich4: Timeout on slot 14 port 0 ahcich4: is 00000000 cs 00004000 ss 00000000 rs 00004000 tfd 80 serr 00000000 cmd 0000c017 (aprobe0:ahcich4:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 (aprobe0:ahcich4:0:0:0): CAM status: Command timeout (aprobe0:ahcich4:0:0:0): Retrying command Yours, -mi