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Full Discussion: Smartmontools and fixing Unreadable Disk Sectors
Special Forums Hardware Filesystems, Disks and Memory Smartmontools and fixing Unreadable Disk Sectors Post 302341392 by justinian on Wednesday 5th of August 2009 08:57:27 PM
Old 08-05-2009
Smartmontools and fixing Unreadable Disk Sectors
I found a document: Bad block HOWTO for smartmontools

My hard drive is Maxtor:

root]# fdisk -lu /dev/hda

Disk /dev/hda: 81.9 GB, 81964302336 bytes
255 heads, 63 sectors/track, 9964 cylinders, total 160086528 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x3f4e3f4d

Device Boot Start End Blocks Id System
/dev/hda1 * 63 16370234 8185086 83 Linux
/dev/hda2 16370235 160071659 71850712+ 5 Extended
/dev/hda5 16370298 24547319 4088511 82 Linux swap / Solaris
/dev/hda6 24547383 160071659 67762138+ 83 Linux


root]# -H /dev/hda
smartctl version 5.38 [i586-mandriva-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is smartmontools Home Page (last updated $Date: 2009-07-30 19:33:22 +0200 (Thu, 30 Jul 2009) $)

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED


root]# smartctl -l selftest /dev/hda
smartctl version 5.38 [i586-mandriva-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is smartmontools Home Page (last updated $Date: 2009-07-30 19:33:22 +0200 (Thu, 30 Jul 2009) $)

=== START OF READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Short offline Completed: read failure 60% 19646 6402153
# 2 Short offline Completed: read failure 60% 19645 6402153
# 3 Short offline Completed: read failure 60% 19630 6402153
# 4 Short offline Completed: read failure 60% 19622 6402153
# 5 Extended offline Completed: read failure 40% 19618 6402153
# 6 Short offline Completed: read failure 60% 19617 6402153

Logical Block Address LBA = 6402153 and i don't known which File System Block contains this LBA ?
 

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LEARN ABOUT CENTOS

pktsetup

PKTSETUP(8)						    System Management Commands						       PKTSETUP(8)

NAME

       pktsetup - set up and tear down packet device associations

SYNOPSIS

       pktsetup packet_device block_device
       pktsetup -d packet_device
       pktsetup -s

DESCRIPTION

       Pktsetup  is  used  to associate packet devices with CD or DVD block devices, so that the packet device can then be mounted and potentially
       used as a read/write filesystem. This requires kernel support for the packet device, and the UDF filesystem.

       See: http://packet-cd.sourceforge.net/ <>

EXIT STATUS

       Pktsetup returns 0 on success, nonzero on failure.

OPTIONS

       -d packet-device
	      Delete the association between the specified packet-device and its block device.

       -s     Show device mappings.

EXAMPLE

       The following commands provide an example of using the packet device.

	      cdrwtool -d /dev/sr0 -q
	      pktsetup /dev/pktcdvd0 /dev/sr0

	      mount -t udf /dev/pktcdvd0 /mnt
	       ...
	      umount /dev/pktcdvd0
	      pktsetup -d /dev/pktcdvd0

FILES

       /dev/pktcdvd0,/dev/pktcdvd1,...	CD/DVD packet devices (block major=97)

AUTHOR

       Jens Axboe <axboe@suse.de>

AVAILABILITY

       pktsetup is part of the udftools package and is available from http://linux-udf.sourceforge.net.

SEE ALSO

       cdrwtool(1)

udftools-1.0.0b2						    2002-02-09							       PKTSETUP(8)
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