File System corruption tool

[Ric Wheeler]

On 01/18/2014 07:13 AM, Lakshmipathi.G wrote:
> Hi -
>
> I'm searching for file system corruption tool, say it inject disk-errors like
> multiply owned blocks etc. Later an integrity scan process (like e2fsck) will
> verify on-disk layout and fix these errors.
>
> I'd like to read/understand such tools before writing one for an proprietary
> on-disk file system.
>
> Do we have such tools for ext{2,3,4}fs ? Thanks for any help or pointers!
>
>

For s-ata drives, you can use hdparm to create a bad sector that will cause an 
IO error on read. (Write will fix it)

Ric