computing:storage:zero_fill_disk

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Table of Contents

Zero-Fill Disk Drive Free Space
- Windows
- Linux

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 -z x:

Linux

https://community.linuxmint.com/software/view/zerofree

zerofree /dev/sdx1

computing/storage/zero_fill_disk.1550966102.txt.gz · Last modified: 2019/02/23 16:55 by gcooper