Skip to content

Instantly share code, notes, and snippets.

@dhlavaty

dhlavaty/ramdisk-howto.md

Last active April 24, 2023 15:35
Show Gist options
  • Star 6 You must be signed in to star a gist
  • Fork 1 You must be signed in to fork a gist
  • Save dhlavaty/aa6ea374bd0ac72f67f4108d4f83907d to your computer and use it in GitHub Desktop.
Save dhlavaty/aa6ea374bd0ac72f67f4108d4f83907d to your computer and use it in GitHub Desktop.
Download ZIP
Create RAM disk in macOS High Sierra (10.13.3)
Raw
ramdisk-howto.md

Create RAM disk in macOS High Sierra (10.13.3), macOS Monterey (12.6.5) with ARM processor

Update 2023-04-24

Tested on macOS Monterey (12.6.5) with Apple M1 Pro chip (ARM architecture)

LIST DISKS

diskutil list

RAMDISK CREATE

hdiutil attach -nomount -nobrowse ram://120000      # 120000 * 512bytes = ~ 61.4 MB RAM disk

newfs_hfs /dev/disk*                                # <- * is number generated by previous command

# Aware: '/tmp/ramdisk' path MUST exist first
mount -t hfs -v /dev/disk* /tmp/ramdisk             # <- * is number generated by previous command

RAMDISK DELETE

umount /tmp/ramdisk

hdiutil detach /dev/disk*                           # <- * is number generated by previous command
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment