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Possibly mount unmountable disks across a network System
I reformatted my discs and installed 10.4, after backing up all my goodies to an external FireWire disk. On rebooting, I could see the disc in disk utility but not mount it. It gave errors about key-length etc. Trawled the 'net looking for a solution, tried all the terminal tricks but to no avail.

However, I discovered by accident that I could mount the disk on my wife's eMac over our LAN -- probably because it mounted Read Only. I have copied all the goodies over from her eMac to my new disk, and now I am back in business. It was slow going, but it worked minus the files that mangled it in the first place.
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Possibly mount unmountable disks across a network
Authored by: pediddle on Jun 15, '05 01:18:21PM

What are the steps you used to do this? Am I missing something?

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Possibly mount unmountable disks across a network
Authored by: Kiwibloke on Jun 15, '05 10:58:31PM

How it was done.
I used disk utility to show the unmounted disk in its window, highlighted the disk I wanted and pressed the info button. This gave me the disk identifier number that I need for later on.
My disk was not mounted, visible in disk utility but greyed out. The info pane in disk utility had nothing for the mount point so I had to make one.
In terminal
User:~ User$ mkdir /Volumes/newname
where newname is the mount point you need to make, I found it had to be the same name as the dead disk then I did
User:~ User $ mount -t hfs -r /dev/diskXXX /Volumes/newname
where XXX is the disk identifier above and newname is the mount point name above.
Then to get it to mount in the finder I did
User:~ User $ disktool -r
to refresh for applications so they could see it and yay there it was. originally I had not refreshed the disk arbitration, but was able to see it on my wifes Emac as I assume it logged on as a new app and saw the disk.
Now I dont need the network to do it.
If it doesnt work try recreating the mount point
User:~ User$ mkdir /Volumes/newname
and if it says directory exists then do all the other steps again.
The only problem is the disk mounts read only and all files copied off it need the permissions set to read and write to use them porperly.
Pulled together from bits on the web, I know just about nix 'nix but for me it worked, simple mounting seems to fail as the finder tries to talk to the disk before mounting, the long terminal command mounts the disk read only (apparently) and prevents the mounting failure.

Good luck, great site

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Possibly mount unmountable disks across a network
Authored by: novalies on Jun 15, '05 02:24:01PM

I was successful by using the AppleShare of the classic chooser

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