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Windows 7: Diskpart's clean all versus Full Format

19 Dec 2011   #1
writhziden

Windows 7 Home Premium 64 Bit
 
 
Diskpart's clean all versus Full Format

As I understand it (I was reading this thread Need HDDErase That will work with SATA ...), clean all writes all sectors to 0 on a disk. As I understand from post #13 by Brink, full format will set aside bad sectors so the disk uses only the good sectors when written. Does clean all have the same effect of cleaning up bad sectors, or is it purely for security by writing zeros?


My System SpecsSystem Spec
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19 Dec 2011   #2
Brink

64-bit Windows 10 Pro
 
 

Hello Mike,

A full format would only format the selected partition on a HDD.

A Clean All command would wipe all partitions and information on the entire HDD, and do a secure erase on the HDD to help prevent the data from being to be recovered.

Hope this helps,
Shawn
My System SpecsSystem Spec
19 Dec 2011   #3
writhziden

Windows 7 Home Premium 64 Bit
 
 

Quote   Quote: Originally Posted by Brink View Post
Hello Mike,

A full format would only format the selected partition on a HDD.

A Clean All command would wipe all partitions and information on the entire HDD, and do a secure erase on the HDD to help prevent the data from being to be recovered.

Hope this helps,
Shawn
How does "clean all" manage bad sectors? Does it just try to write them to zeros, or does it also scan for bad sectors and allocate around them?
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19 Dec 2011   #4
Brink

64-bit Windows 10 Pro
 
 

"clean all" doesn't manage or scan for bad sectors. It only secure erases all data and deletes all partitions on a HDD.

To manage and scan for bad sectors, you would want to use the Disk Check instead.
My System SpecsSystem Spec
19 Dec 2011   #5
writhziden

Windows 7 Home Premium 64 Bit
 
 

Quote   Quote: Originally Posted by Brink View Post
"clean all" doesn't manage or scan for bad sectors. It only secure erases all data and deletes all partitions on a HDD.

To manage and scan for bad sectors, you would want to use the Disk Check instead.
Okay, that is what I thought. Thank you for enforcing my understanding of Diskpart.
My System SpecsSystem Spec
19 Dec 2011   #6
Brink

64-bit Windows 10 Pro
 
 

You're most welcome.
My System SpecsSystem Spec
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 Diskpart's clean all versus Full Format




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