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computing:storage:zero_fill_disk

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Zero-Fill Disk Drive Free Space

There may be various reasons to zero-fill the free space on a disk drive:

  • Make the disk more compressible for backup
This may cause a thinly provisioned virtual disk to balloon out to it's full size!

Windows

https://docs.microsoft.com/en-us/sysinternals/downloads/sdelete

:!: sdelete can also be used for secure erase.

sdelete -z x:

Linux

computing/storage/zero_fill_disk.1550966154.txt.gz · Last modified: 2019/02/23 16:55 by gcooper