Prevent auto-mounting of partition in OSX

[Ruiwen Chua]

Hi all,

Would anyone have an idea of how to prevent a partition from automounting in OSX Mountain Lion?

/etc/fstab reports itself to be unreliable and is empty, save for comments telling you not to use it.

I've managed to set the 'noatime' flag on my SSD via a plist in /Library/LaunchDaemons, and suspect that there might be a similar way to tell a partition not to automount, but I'm not quite sure.

Clues?

[Patrick Haller]

On 2012-08-31 21:46, Ruiwen Chua wrote:
> Would anyone have an idea of how to prevent a partition from
> automounting in OSX Mountain Lion?
>
> /etc/fstab reports itself to be unreliable and is empty, save for
> comments telling you not to use it.

Try adding the partition/mount info to /etc/fstab anyway, like:

UUID=922AD32A-308F-332B-876D-57C5F9CE2EDD /Volumes/StupidPart hfs rw,noauto

[Ruiwen Chua]

Yep did that in the end, thanks!

[sudo] vifs appears to create an empty template into which you can stick the expected /etc/fstab config lines. Works like a charm now =)

Eugene sent this very handy link: http://superuser.com/questions/336455/mac-lion-fstab-is-deprecated-so-what-replaces-it-to-prevent-a-partition-from-m

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