Linux RAID subsystem development
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From: Marc MERLIN <marc@merlins.org>
To: Mateusz Korniak <mateusz-lists@ant.gliwice.pl>
Cc: Phil Turmel <philip@turmel.org>,
	Kay Diederichs <kay.diederichs@uni-konstanz.de>,
	Andreas Klauer <Andreas.Klauer@metamorpher.de>,
	Adam Goryachev <mailinglists@websitemanagers.com.au>,
	Roger Heflin <rogerheflin@gmail.com>,
	linux-raid@vger.kernel.org
Subject: Re: force remapping a pending sector in sw raid5 array
Date: Sun, 11 Feb 2018 07:41:58 -0800	[thread overview]
Message-ID: <20180211154158.qiddefzyhm7y2p42@merlins.org> (raw)
In-Reply-To: <1934212.TzpEgCIeIR@matkor-lenovo>

As a last update on those drives, sadly they seem to have real problems
with SMART, which is why I was confused when using them.

myth:~# badblocks -fsvn -b512 /dev/sdf
/dev/sdf is apparently in use by the system; badblocks forced anyway.
Checking for bad blocks in non-destructive read-write mode
From block 0 to 3131110575
Checking for bad blocks (non-destructive read-write test)
Testing with random pattern: done                                                 
Pass completed, 0 bad blocks found. (0/0/0 errors)

That means a full read/write scan ran ok.
Yet:
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       7

7 sectors still marked as pending. This makes no sense...

As far as I can tell, SMART is just broken on those drives, and they're
going back to where I got them from.

Thanks all for the replies and helping me confirm this.

Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/                       | PGP 7F55D5F27AAF9D08

  reply	other threads:[~2018-02-11 15:41 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-06 18:14 force remapping a pending sector in sw raid5 array Marc MERLIN
2018-02-06 18:59 ` Reindl Harald
2018-02-06 19:36   ` Marc MERLIN
2018-02-06 20:03 ` Andreas Klauer
2018-02-06 21:51 ` Adam Goryachev
2018-02-06 22:02   ` Marc MERLIN
2018-02-06 22:31     ` Roger Heflin
2018-02-06 22:46       ` Marc MERLIN
2018-02-07  4:29   ` Marc MERLIN
2018-02-07  9:42 ` Kay Diederichs
2018-02-09 19:29   ` Marc MERLIN
2018-02-09 19:57     ` Kay Diederichs
2018-02-09 20:02     ` Roger Heflin
2018-02-09 20:13     ` Phil Turmel
2018-02-09 20:29       ` Marc MERLIN
2018-02-09 20:44         ` Phil Turmel
2018-02-09 21:22           ` Marc MERLIN
2018-02-09 22:07             ` Wol's lists
2018-02-09 22:36               ` Marc MERLIN
2018-02-09 20:52         ` Kay Diederichs
2018-02-11 20:52           ` Roger Heflin
2018-02-09 21:17         ` Kay Diederichs
2018-02-10 21:43       ` Mateusz Korniak
2018-02-11 15:41         ` Marc MERLIN [this message]
2018-02-11 16:41           ` Marc MERLIN
2018-02-11 17:13         ` Phil Turmel
2018-02-11 18:02           ` Wols Lists
2018-02-12 10:43           ` Mateusz Korniak
2018-02-12 15:29             ` Phil Turmel
2018-02-12 16:49               ` Marc MERLIN
2018-02-12 17:16                 ` Phil Turmel
2018-02-12 17:30                   ` Marc MERLIN

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