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Date:      Mon, 8 Mar 2010 12:29:18 +0200
From:      Eugeny N Dzhurinsky <bofh@redwerk.com>
To:        freebsd-current@freebsd.org
Subject:   A tool for remapping bad sectors in CURRENT?
Message-ID:  <20100308102918.GA5485@localhost>

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--SLDf9lqlvOQaIe6s
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Hello, all!

Recently I've started to see the following logs in messages:

Mar  8 12:00:24 localhost smartd[795]: Device: /dev/ad4, 2 Currently unread=
able (pending) sectors
Mar  8 12:00:24 localhost smartd[795]: Device: /dev/ad4, 2 Offline uncorrec=
table sectors

smartctl did really show that something is wrong with my HDD, but still no
remaps - just read errors.

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)=
  LBA_of_first_error
# 1  Extended offline    Completed: read failure       60%      1198       =
  222342559
# 2  Extended offline    Completed: read failure       60%      1187       =
  222342557
# 3  Extended offline    Completed: read failure       60%      1180       =
  222342559
# 4  Short offline       Completed without error       00%      1178       =
  -
# 5  Extended offline    Aborted by host               90%      1178       =
  -

and

ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN=
_FAILED RAW_VALUE
=2E..
Reallocated_Sector_Ct   0x0033   100   100   036    Pre-fail  Always       =
-       0
=2E..

Now can I find out which file owns the LBAs 222342557 and 222342559 ? How d=
o I
force remapping of these sectors? I assume that I have to write something
directly to the sectors?

Thank you all in advance!

--=20
Eugene N Dzhurinsky

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