|Nov 10, 2007, 02:06 AM||#1|
Using dd I'm getting a Resource Busy error
Hello, I'm trying to restore an old Hard Drive image OS.dmg to a usb hard drive that I have.
I'm using the command:
dd if=/Users/Shared/OS.dmg of=/dev/disk5 bs=1m
And I'm getting
dd: /dev/disk5: Resource busy
What would cause this error? I'm not sure why it's "busy"
PS.. I get the exact same thing when i try to do it in DiskUtility
|Nov 10, 2007, 11:06 PM||#2|
I just did this - what I did may work for you
In order to overwrite all the information on the disk, you have to make sure the mac OS isn't using it first
Open the DiskUtility.app, and on your USB hard drive, unmount any of it's partitions. Do not eject the USB hard drive.
Right click on the hard drive in the DiskUtility and get it's Identifier from the Information tab.
Now take your image, and the identifier, and put it all together with something like this, on the command line in terminal:
dd if=<your image file> of=/dev/<disk identifier>
That worked for me putting the diskboot.img bootable Linux image file onto a USB hard drive that had the identifier disk1 by doing dd if=/Users/mike/diskboot.img of=/dev/disk1
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