The number of usable bytes on your disk is 203,928,109,056 bytes. The number of sectors is 203928109056/512 = 398297088

Valid LBA values are from 0 to 398297087 inclusive. 398286599 lies within this range and so is a valid LBA.

Bruce






On Thu, 8 Mar 2007, jos wrote:

Package: smartmontools
Version: 5.36-8
kernel: 2.6.8-2-386 #1 Tue Aug 16 12:46:35 UTC 2005 i686 GNU/Linux
libc6, version: 2.3.2.ds1-22sarge5

smartctl -i /dev/hdc
smartctl version 5.36 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF INFORMATION SECTION ===
Model Family:     Maxtor DiamondMax 10 family
Device Model:     Maxtor 6L200P0
Serial Number:    L41BRZLH
Firmware Version: BAH41G10
User Capacity:    203,928,109,056 bytes
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   7
ATA Standard is:  ATA/ATAPI-7 T13 1532D revision 0
Local Time is:    Thu Mar  8 11:59:22 2007 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled



After a short test I get the following report

/dev/hdc, 1 Currently unreadable (pending) sectors

smartctl -l selftest /dev/hdc

=== 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 10% 11408 398286599 # 2 Extended offline Completed without error 00% 11395 - # 3 Short offline Completed: read failure 10% 11389 398286599 # 4 Short offline Completed without error 00% 11366 - # 5 Short offline Completed without error 00% 11342 - # 6 Extended offline Completed without error 00% 11329 - # 7 Short offline Completed: read failure 10% 11318 398286599 # 8 Extended offline Completed without error 00% 11318 - # 9 Short offline Completed without error 00% 11294 - #10 Short offline Completed without error 00% 11270 - #11 Extended offline Completed without error 00% 11257 - #12 Short offline Completed: read failure 10% 11247 398286599 #13 Short offline Completed without error 00% 11223 - #14 Short offline Completed without error 00% 11199 - #15 Short offline Completed without error 00% 11175 - #16 Short offline Completed without error 00% 11151 - #17 Extended offline Completed without error 00% 11151 - #18 Short offline Completed without error 00% 11127 - #19 Short offline Completed without error 00% 11104 - #20 Extended offline Completed without error 00% 11086 - #21 Short offline Completed: read failure 10% 11080 398286599

the LBA address 398286599, is outside the phisiscal limit of the disk LBA 398283479.

fdisk -lu /dev/hdc

Disk /dev/hdc: 203.9 GB, 203928109056 bytes
255 heads, 63 sectors/track, 24792 cylinders, total 398297088 sectors
Units = sectors of 1 * 512 = 512 bytes

 Device Boot      Start         End      Blocks   Id  System
/dev/hdc1        16659405    20563199     1951897+  fd  Linux raid autodetect
/dev/hdc2              63     1028159      514048+  82  Linux swap / Solaris
/dev/hdc3   *     1028160    16659404     7815622+  fd  Linux raid autodetect
/dev/hdc4        20563200   398283479   188860140   fd  Linux raid autodetect

fdisk -l /dev/hdc

Disk /dev/hdc: 203.9 GB, 203928109056 bytes
255 heads, 63 sectors/track, 24792 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

 Device Boot      Start         End      Blocks   Id  System
/dev/hdc1            1038        1280     1951897+  fd  Linux raid autodetect
/dev/hdc2               1          64      514048+  82  Linux swap / Solaris
/dev/hdc3   *          65        1037     7815622+  fd  Linux raid autodetect
/dev/hdc4            1281       24792   188860140   fd  Linux raid autodetect

The disk is part of a software RAID1, with /dev/hda , which is an identical disk.
Same test on this disk gives no problems.







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