From nobody Tue Sep 20 07:21:46 2022 X-Original-To: questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4MWtK41bp8z4cCg3 for ; Tue, 20 Sep 2022 07:22:00 +0000 (UTC) (envelope-from 4250.82.1d4f20000e134be.db681bcce554673aacef75a22ceefe19@email-od.com) Received: from s1-b0c6.socketlabs.email-od.com (s1-b0c6.socketlabs.email-od.com [142.0.176.198]) (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 4MWtK32sphz3kX4 for ; Tue, 20 Sep 2022 07:21:59 +0000 (UTC) (envelope-from 4250.82.1d4f20000e134be.db681bcce554673aacef75a22ceefe19@email-od.com) DKIM-Signature: v=1; a=rsa-sha256; d=email-od.com;i=@email-od.com;s=dkim; c=relaxed/relaxed; q=dns/txt; t=1663658519; x=1666250519; h=content-transfer-encoding:content-type:mime-version:references:in-reply-to:message-id:subject:cc:to:from:date:x-thread-info:subject:to:from:cc:reply-to; bh=/XLl/w5eXFDhnf4lR9DTHkTMEzsEzWR6oFhal2nCoe8=; b=R4Wx19I6i6U9tpdNY7/zUfhYjrKUp/icJyi6dhXhSDf2xugWuDxpSDCjx6fv/MQDtJLHn6jYYgvfUdTQOT+3SUSTFpcrSi3r6bPOab+wTmACGb7WNmWHQBwvYlOGy/NDu1E5ea9kQAxAbKMOGgn1brGm0KPih/vXT7v8qjw3jKE= X-Thread-Info: NDI1MC4xMi4xZDRmMjAwMDBlMTM0YmUucXVlc3Rpb25zPWZyZWVic2Qub3Jn Received: from r2.us-east-2.aws.in.socketlabs.com (r2.us-east-2.aws.in.socketlabs.com [142.0.189.2]) by mxsg2.email-od.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Tue, 20 Sep 2022 03:21:48 -0400 Received: from smtp.lan.sohara.org (EMTPY [185.202.17.215]) by r2.us-east-2.aws.in.socketlabs.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Tue, 20 Sep 2022 03:21:47 -0400 Received: from [192.168.63.1] (helo=steve.lan.sohara.org) by smtp.lan.sohara.org with smtp (Exim 4.94.2 (FreeBSD)) (envelope-from ) id 1oaXZi-000Pji-8c; Tue, 20 Sep 2022 08:21:46 +0100 Date: Tue, 20 Sep 2022 08:21:46 +0100 From: Steve O'Hara-Smith To: questions@freebsd.org Cc: freebsd@dreamchaser.org Subject: Re: disk non-destructive bad-block write/fix? Message-Id: <20220920082146.b329d714666d44d960c764d1@sohara.org> In-Reply-To: References: X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; amd64-portbld-freebsd13.0) X-Clacks-Overhead: "GNU Terry Pratchett" List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4MWtK32sphz3kX4 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=email-od.com header.s=dkim header.b=R4Wx19I6; dmarc=none; spf=pass (mx1.freebsd.org: domain of 4250.82.1d4f20000e134be.db681bcce554673aacef75a22ceefe19@email-od.com designates 142.0.176.198 as permitted sender) smtp.mailfrom=4250.82.1d4f20000e134be.db681bcce554673aacef75a22ceefe19@email-od.com X-Spamd-Result: default: False [-1.66 / 15.00]; SUBJECT_ENDS_QUESTION(1.00)[]; NEURAL_HAM_LONG(-1.00)[-0.998]; NEURAL_HAM_SHORT(-0.99)[-0.985]; NEURAL_HAM_MEDIUM(-0.98)[-0.978]; MV_CASE(0.50)[]; FORGED_SENDER(0.30)[steve@sohara.org,4250.82.1d4f20000e134be.db681bcce554673aacef75a22ceefe19@email-od.com]; R_SPF_ALLOW(-0.20)[+ip4:142.0.176.0/20]; R_DKIM_ALLOW(-0.20)[email-od.com:s=dkim]; MIME_GOOD(-0.10)[text/plain]; MLMMJ_DEST(0.00)[questions@freebsd.org]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:7381, ipnet:142.0.176.0/22, country:US]; MIME_TRACE(0.00)[0:+]; FROM_NEQ_ENVFROM(0.00)[steve@sohara.org,4250.82.1d4f20000e134be.db681bcce554673aacef75a22ceefe19@email-od.com]; RCVD_IN_DNSWL_NONE(0.00)[142.0.189.2:received]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[email-od.com:+]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; DMARC_NA(0.00)[sohara.org]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[email-od.com:dkim] X-ThisMailContainsUnwantedMimeParts: N On Mon, 19 Sep 2022 21:40:42 -0600 Gary Aitken wrote: > I have a system I need to back up and my only available backup disk is > throwing a lot of errors like: > > (da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 00 3c fd e5 68 00 00 40 00 > (da0:umass-sim0:0:0:0): CAM status: CCB request completed with an error > (da0:umass-sim0:0:0:0): Retrying command > (da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 00 3c fd e6 68 00 00 20 00 > (da0:umass-sim0:0:0:0): CAM status: CCB request completed with an error Check cables - if it's not cables get a new disk. There is no point in trying to use a disk that throws a lot of errors like that, but disks are more reliable than cables. -- Steve O'Hara-Smith