boot - end_request I/O error, dev sda, sector 442933180 - best strategy to repair? - Ask Ubuntu


experienced electricity shortcut during booting ... seems have damaged hard disk?

now, system (almost) not boot more (actually, it's dual boot system: windows xp boot without problem, ubuntu 11.04 have huge boot problem). 

ata3.00: exception emask 0x0 sact 0x0 serr 0x0 action 0x0 ata3.00: bmdma stat 0x24 ata3.00: failed command: read dma ext ata3.00: cmd 25/00:00:bb:9f:66/00:001a:00:00/e0 tag 0 dma 4096 in          res 51/40:00:bc:9f:66/40:00:1a:00:00/e0 emask 0x9 (media rror) ata3.00: status { drdy err } ata3.00: error: { unc } end_request: i/o error, dev sda, sector 442933180

what happens when try boot this: xserver starts after approx 5min. takes 10min show login window. system slow takes 1min put in password , press enter. 20min have passed , still have no home screen typical purple screen of 11.04.

i have tried boot livecd , manually run fsck did not solve problem:

root@ubuntu:/# fdisk -l  disk /dev/sda: 298.1 gib, 320071851520 bytes, 625140335 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: 0xaa26aa26  device     boot     start       end   sectors   size id type /dev/sda1  *           63 316464434 316464372 150.9g  7 hpfs/ntfs/exfat /dev/sda2       316464435 613056464 296592030 141.4g 83 linux /dev/sda3       613056465 625137344  12080880   5.8g  5 extended /dev/sda5       613056528 625137344  12080817   5.8g 82 linux swap / solaris  root@ubuntu:/# fsck /dev/sda2 fsck util-linux 2.27.1 e2fsck 1.42.13 (17-may-2015) /dev/sda2: clean, 396175/18546688 files, 33752637/37074003 blocks root@ubuntu:/#


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