disk repair- difference between chkdsk X: /f and chkdsk X: /r ???


jimbo45

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Any decent explanation of what the difference between these two are -

Thanks
 

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Good day.

/r checks disk surface for bad clusters. /f only checks logical disk structures ($MFT and such). /r can take a long time to complete.
 

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This link may be useful:



/f Fixes errors on the disk.
Code: 
/f    Fixes errors on the disk.
The disk must be locked.
If chkdsk can't lock the drive, a message appears that asks you if you want to check the drive the next time you restart the computer.



/r Locates bad sectors and recovers readable information.
Code: 
/r    Locates bad sectors and recovers readable information.
The disk must be locked.
/r includes the functionality of /f, with the additional analysis of physical disk errors.



/b Clears the list of bad clusters on the volume and rescans all allocated and free clusters for errors.
Code: 
/b    Use with NTFS only.
Clears the list of bad clusters on the volume and rescans all allocated and free clusters for errors.
/b includes the functionality of /r.
Use this parameter after imaging a volume to a new hard disk drive.



learn.microsoft.com

chkdsk

Reference article for the chkdsk command, which checks the file system and file system metadata of a volume for logical and physical errors.
learn.microsoft.com
 

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eLPuSHeR said:
Good day.

/r checks disk surface for bad clusters. /f only checks logical disk structures ($MFT and such). /r can take a long time to complete.
Click to expand...
Thanks

Cheers
jimbo
 

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Ghot said:
chkdsk /r ...implies /f
Click to expand...
OK technically correct answer but doesn't actually say what each does -- !!!! although the thread answers that !!
Cheers
Jimbo
 

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At a glance

Windows XP,11 Linux Fedora Rawhide pre-releas...2 X Intel i7
OS
Windows XP,11 Linux Fedora Rawhide pre-release 46
Computer type
PC/Desktop
CPU
2 X Intel i7
Screen Resolution
4KUHD X 2

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    Windows 11 ProRyzen 7 5700 X3D64 GB DDR4 3600mhz Gskill Ripjaws VRTX 4070 Super , 12GB VRAM Asus EVO Overclock
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