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computing:storage:zero_fill_disk

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computing:storage:zero_fill_disk [2019/02/24 11:36]
gcooper 		computing:storage:zero_fill_disk [2020/04/30 19:43] (current)
gcooper
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   * **Faster** than a secure-erase   * **Faster** than a secure-erase
   * Will force a drive to **retire any bad sectors** in empty space before they are reused   * Will force a drive to **retire any bad sectors** in empty space before they are reused
 +
 +<note warning>Do **not** do this on SSD drives!</note>
  
 <note warning>This may cause a thinly provisioned virtual disk to balloon out to it's fully provisioned size!  But it can also have a profound impact in the size of VM (image) backups.</note> <note warning>This may cause a thinly provisioned virtual disk to balloon out to it's fully provisioned size!  But it can also have a profound impact in the size of VM (image) backups.</note>
Line 12: Line 14:
  
 https://docs.microsoft.com/en-us/sysinternals/downloads/sdelete https://docs.microsoft.com/en-us/sysinternals/downloads/sdelete
- 
-:!: ''sdelete'' can also be used for secure erase. 
  
 <file> <file>
 sdelete -z x: sdelete -z x:
 </file> </file>
 +
 +:!: ''sdelete'' can also be used for secure erase.
  
 ===== Linux ===== ===== Linux =====
computing/storage/zero_fill_disk.1551033418.txt.gz · Last modified: 2019/02/24 11:36 by gcooper

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