From owner-freebsd-fs@freebsd.org Mon Dec 4 01:13:49 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 AB3E0E6F6E8 for ; Mon, 4 Dec 2017 01:13:49 +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 5425A71FE2 for ; Mon, 4 Dec 2017 01:13:48 +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 vB41Dl3U001070 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sun, 3 Dec 2017 20:13:47 -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 vB41Dj6c040969 for ; Sun, 3 Dec 2017 20:13:45 -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 To: freebsd-fs From: "Mikhail T." Subject: Low-level format an SATA-drive? Message-ID: <5b6394f6-1c0a-5b1e-bf5e-84e848905392@aldan.algebra.com> Date: Sun, 3 Dec 2017 20:13:45 -0500 MIME-Version: 1.0 Content-Language: en-US X-DCC-Etherboy-Metrics: narawntapu 1002; Body=1 Fuz1=1 Fuz2=1 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 01:13:49 -0000 It used to be, performing a "low-level format" could get a few more months -- may be a year -- out of a failing drive. How would I try that today? The camcontrol has a "format" subcommand, but it just gives me an error: # camcontrol format /dev/ada3 You are about to REMOVE ALL DATA from the following device: camcontrol: scsiformat: error sending inquiry Is my drive simply beyond repair, or is camcontrol being "naive" in some way? -mi