Check for bad sectors

[IvanZD]

Hello.

Please, tell me how I can check disk for bad sectors and other hardware problems? I have problem reading some files on XFS filesystem (and system completely lockup when I try to overwrite that file).

Thanks in advance.
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[alex.blackbit]

S.M.A.R.T. tells you about hardware errors regarding hard disks.
try sys-apps/smartmontools.

[coolsnowmen]

badblocks

fsck.*
-n Make no changes to the filesystem
-c Check for bad blocks and add them to the badblock list
-f Force checking even if filesystem is marked clean
-v Be verbose
-l bad_blocks_file Add to badblocks list
-L bad_blocks_file Set badblocks list
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