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OSX drive permissions problem / Reset permissions

Posted on 2009-05-14
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Last Modified: 2013-11-24
I have G5 with two harddrives
OSX 10.4.11
Drive #1 is the system drive
Drive #2 is just data drive
AS administrator I've created new user to use this computer and changed some permissions on drive #2 so only I could access it, however when I applied it the system gave me an error. Anyways now when I login as administrator or other user I don't see drive at all.
Tried to use disk warrior, and it can see it and even sees files, but I can't copy it to other drive.

How can I reset permissions so I can see the drive #2?

Thank you.
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Question by:Goldblum
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heteronymous earned 1500 total points
ID: 24396702
The default permissions at/on the top-level of a drive are set to defaults that exist for a reason,
and should not be changed or you will see consequences such as this.

Best practice is to never use the top-level of a drive as a sharepoint, instead create a folder on the drive and use that as your top-most directory for/as a sharepoint on the drive.

The key setting is the permissions for "Others" (see caveat below)

others: read only (will not show in Server Admin, but execute permission as well)
The execute permission is key.
rwxr-xr-x

Either that (!) or the "group" setting for the drive must have read & execute permissions set
and that group must include anyone you wish to be able to access that drive.

Furthermore, if you change these defaults for the boot drive, it can even render your system unbootable (beyond single-user mode).
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