I need to "break" things so that the Check Disk tool in Windows finds errors on a partition. Any ideas on how to do that in a controlled manner?
What can I do to make sure that chkdsk finds errors that it then fixes?
asked Oct 10, 2018 at 11:53
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From How do I ask a good question? "You should only ask practical, answerable questions based on actual problems that you face. "– DavidPostill ♦Commented Oct 10, 2018 at 12:06
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Wow. I think you are overdoing it. For me it is a valid question, with professional use. I teach people about technology. I have a lesson planned about disk errors and checking the disk for errors. Therefore, finding a way to generate such errors has practical real-life value. You should really back off!– Corporate GeekCommented Oct 11, 2018 at 13:50
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1 Answer
The simplest way is to pull out the USB flash while the MS-Windows writes on it. The GUI-OS is in principle build so that the normal user action cannot produce FS error. You can do some errors form cmd, or on other non MS OS.
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Good tips. Regarding the errors from cmd, can you point me to some documentation or tool that I can use? Thanks! Commented Oct 11, 2018 at 13:51
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If I can you other non Microsoft OS to generate those errors, that's good too. Just give me a pointer or two. :) Commented Oct 11, 2018 at 13:55
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1The trick is to know the details of $MFT file, which is the main information source of NTFS filesystem. And to have powerfull tools to be able to change the bit structure of some record(s) of the $MFT file. Do not forget the NTFS makes a copy of $MFT called $MFTmirror (or somelike this), so you may need to make the changes in both to force the OS to start detail repair instead of silence restore the backuped data. Sorry I have not more time to deal with it now, I will spear some time over weekend. Meanwhile you may search WiKi for $MFT details, and Linux CLI commands
hexdumpanddd.– schweikCommented Oct 12, 2018 at 8:17