Hi Tom,

 Applications > Utilities > Terminal

Then enter this command

sudo chown -R `id -un`:`id -gn` /Volumes/"name of the external hard disk"

Replace name of external hard disk with the name of the disk that is locked, but keep the quotes. Additionally, the ` are back ticks which is the key at the
top left of the keyboard, not the single quote '

So, for example

sudo chown -R `id -un`:`id -gn` /Volumes/"External Disk"

Next enter

sudo chmod -RN /Volumes/"name of the external hard disk"

And, for good measure

sudo chmod 775 /Volumes/"name of the external hard disk"

The padlock should disappear.

Cheers,
Ronni

On 06/05/2009, at 10:59 AM, tom samson wrote:

I have now been down the terminal road as suggested below but the commands below have not changed the permissions on my USB Time machine drive. I am now beginning to panic this is where I have backed up my latest version of a novel I am working on and quite a bit may be lost if I cannot undo this Custom permissions thing. Any other suggestions would be very much appreciated.
tom samson


On 05/05/2009, at 9:50 PM, Daniel Kerr wrote:

Hi Tom

I've come across this once before for a client and a Leopard install as
well.
It ended up the only way to fix it was using Terminal and unix commands.
Took me a couple of google searches to find the right one.

But here it is...
<http://discussions.apple.com/thread.jspa?messageID=8506675>

Basically you need to go into terminal and type
(assuming your drive is called "My drive")

sudo chflags nouchg /Volumes/"My drive"
Hit Return

sudo chmod 775 /Volumes/"My drive"
Hit Return

Instead of typing the drive name once you've written
sudo chflags nouchg
You can also then drag the drive icon into the Terminal window and it will
write it in for you.

Once it's done you can quit out of Terminal, then redo a Get Info on the
drive and you should have access to them again.

When I did it on the clients computer it took me two goes to get it right as
I miswrote a command. I also gave it a restart as well.
(Mind you, they had no internet and I was using my iPhone to google the
instructions,...) :o)

Hope that helps.

Kind Regards
Daniel



On 5/5/09 9:40 PM, "tom samson" <[email protected]> wrote:

I can get into info but the sharing permissions (all three) come up
with custom) and I cannot change them they are greyed out
I have not seen this before and they are my backup disks
tom
On 05/05/2009, at 8:26 PM, Robert Howells wrote:


On 05/05/2009, at 7:57 PM, tom samson wrote:

Just had to reinstall Leopard from apple disc for my imac intel
2.8gig
and now my backup drives are on the desktop but are locked
can't unlock from info
can't unlock from Disk drive
can't unlock from Disk warrior
or Drive Genius

any ideas????


So Tom ,

If you do the Apple eye , are you saying that when you click on the
Lock
it does not offer you a window to authenticate by entering your
password,
and you are unable to check the box  " ignore permissions on this
drive "   ?

Further ,

did you happen to give your mac a new user name when you set it up
after the reinstal ?

Can you set up a second user with the previous name and deal with
the drives that way ?


Bob




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