Mick <[email protected]> [14-07-26 11:28]: > On Saturday 26 Jul 2014 02:49:15 [email protected] wrote: > > Hi, > > > > After running smartctl for an extended offline test I got > > a badblock (information extracted from the report): > > > > 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 > > 90% 14460 4288352511 197 Current_Pending_Sector 0x0032 200 > > 200 000 Old_age Always - 1 > > > > I found a explanation to map the LBA to a partition here: > > http://smartmontools.sourceforge.net/badblockhowto.html > > > > My partition layout is: > > #> sudo fdisk -lu /dev/sda > > > > Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors > > Units: sectors of 1 * 512 = 512 bytes > > Sector size (logical/physical): 512 bytes / 512 bytes > > I/O size (minimum/optimal): 512 bytes / 512 bytes > > Disklabel type: dos > > Disk identifier: 0x07ec16a2 > > > > Device Boot Start End Blocks Id System > > /dev/sda1 * 2048 104447 51200 83 Linux > > /dev/sda2 104448 12687359 6291456 82 Linux swap / Solaris > > /dev/sda3 12687360 222402559 104857600 83 Linux > > /dev/sda4 222402560 1953525167 865561304 5 Extended > > /dev/sda5 222404608 232890367 5242880 83 Linux > > /dev/sda6 232892416 442607615 104857600 83 Linux > > /dev/sda7 442609664 652324863 104857600 83 Linux > > /dev/sda8 652326912 862042111 104857600 83 Linux > > /dev/sda9 862044160 1071759359 104857600 83 Linux > > /dev/sda10 1071761408 1281476607 104857600 83 Linux > > /dev/sda11 1281478656 1491193855 104857600 83 Linux > > /dev/sda12 1491195904 1953525167 231164632 83 Linux > > 4288352511 <<< The number reported by smartctl > > > > > > Following the linked document... > > It seems the bad LBA is not on the checked harddisk. > > > > Or (more obvious) I did something wrong... > > You are probably comparing different units. The Start and End of fdisk are > reporting sectors, each sector being 512 bytes. Therefore if the LBA is > reported by smartctl in bytes, you have: > > 4,288,352,511 รท 512 = 8,375,688.5 > > which would place it within your swap partition. > > I would do this: > > swapoff /dev/sda2 > > dd if=/dev/zero of=/dev/sda2 bs=512 conv=notrunc > > mkswap -L swap -c /dev/sda2 > > swapon /dev/sda2 > > and hopefully the problem will be gone when you run the next smartctl test. > > -- > Regards, > Mick
Hi MIck, thanks a lot for the clearification! It also solves "the problem", that fsck does not report any problem for the partitions...because there is none ;) Which are good news. I will clear the swap and report later what happens! Best regards and have a nice weekend! mcc
