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From: Alexander Shenkin <al@shenkin.org>
To: Phil Turmel <philip@turmel.org>,
	Brad Campbell <lists2009@fnarfbargle.com>,
	Reindl Harald <h.reindl@thelounge.net>,
	Edward Kuns <eddie.kuns@gmail.com>,
	Mark Knecht <markknecht@gmail.com>
Cc: Wols Lists <antlists@youngman.org.uk>,
	Carsten Aulbert <carsten.aulbert@aei.mpg.de>,
	Linux-RAID <linux-raid@vger.kernel.org>
Subject: Re: SMART detects pending sectors; take offline?
Date: Wed, 3 Jan 2018 15:59:59 +0000	[thread overview]
Message-ID: <ae183814-248b-2d45-8074-85787fcd0d61@shenkin.org> (raw)
In-Reply-To: <61e91b55-5b96-143e-15c8-4a320f89eeb2@turmel.org>

On 1/3/2018 3:53 PM, Phil Turmel wrote:
> On 01/03/2018 08:50 AM, Alexander Shenkin wrote:
>> On 1/3/2018 1:26 PM, Brad Campbell wrote:
> 
>>> Nope. Your pending is still at 8, so you've got bad sectors in an area
>>> of the drive that hasn't been dealt with. What is "interesting" is
>>> that your SMART test results don't list the LBA of the first failure.
>>> Disappointing behaviour on the part of the disk. They are within the
>>> 1st 10% of the drive however, so it wouldn't surprise me if they were
>>> in an unused portion of the RAID superblock area.
>>
>> Thanks Brad.  So, to theoretically get these sectors remapped so I don't
>> keep getting errors, I would have to somehow try to write to those
>> sectors.  That's tough given that the LBA's aren't reported as you
>> mention.  Perhaps my best course of action then is to:
> 
> No, just use dd to read that device -- it'll bail out with read error
> when it hits the trouble spot, which will report the affected sector.
> Then you can rewrite it with the appropriate seek= value.  (Assuming it
> really is in an unused part of the member device.)

Thanks Phil.  So, just: dd if=/dev/sda of=/dev/null bs=512


  reply	other threads:[~2018-01-03 15:59 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-07  7:48 SMART detects pending sectors; take offline? Alexander Shenkin
2017-10-07  8:21 ` Carsten Aulbert
2017-10-07 10:05   ` Alexander Shenkin
2017-10-07 17:29     ` Wols Lists
2017-10-08  9:19       ` Alexander Shenkin
2017-10-08  9:49         ` Wols Lists
2017-10-09 20:16   ` Phil Turmel
2017-10-10  9:00     ` Alexander Shenkin
2017-10-10  9:11       ` Reindl Harald
2017-10-10  9:56         ` Alexander Shenkin
2017-10-10 12:55           ` Phil Turmel
2017-10-11 10:31             ` Alexander Shenkin
2017-10-11 17:10               ` Phil Turmel
2017-10-12  9:50                 ` Alexander Shenkin
2017-10-12 11:01                   ` Wols Lists
2017-10-12 13:04                     ` Phil Turmel
2017-10-12 13:16                       ` Alexander Shenkin
2017-10-12 13:21                         ` Mark Knecht
2017-10-12 15:16                           ` Edward Kuns
2017-10-12 15:52                             ` Edward Kuns
2017-10-15 14:41                               ` Alexander Shenkin
2017-12-18 15:51                               ` Alexander Shenkin
2017-12-18 16:09                                 ` Phil Turmel
2017-12-19 10:35                                   ` Alexander Shenkin
2017-12-19 12:02                                     ` Phil Turmel
2017-12-21 11:28                                       ` Alexander Shenkin
2017-12-21 11:38                                         ` Reindl Harald
2017-12-23  3:14                                           ` Brad Campbell
2018-01-03 12:44                                             ` Alexander Shenkin
2018-01-03 13:26                                               ` Brad Campbell
2018-01-03 13:50                                                 ` Alexander Shenkin
2018-01-03 15:53                                                   ` Phil Turmel
2018-01-03 15:59                                                     ` Alexander Shenkin [this message]
2018-01-03 16:02                                                       ` Phil Turmel
2018-01-04 10:37                                                         ` Alexander Shenkin
2018-01-04 12:28                                                           ` Alexander Shenkin
2018-01-04 13:16                                                             ` Brad Campbell
2018-01-04 13:39                                                               ` Alexander Shenkin
2018-01-05  5:20                                                                 ` Brad Campbell
2018-01-05  5:25                                                                   ` Brad Campbell
2018-01-05 10:10                                                                     ` Alexander Shenkin
2018-01-05 10:32                                                                       ` Brad Campbell
2018-01-05 13:50                                                                       ` Phil Turmel
2018-01-05 14:01                                                                         ` Alexander Shenkin
2018-01-05 15:59                                                                         ` Wols Lists
2017-10-12 15:19                   ` Kai Stian Olstad
2017-10-10 22:23           ` josh
2017-10-11  6:23             ` Alexander Shenkin
2017-10-10  9:21       ` Wols Lists

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