On 3/14/15 6:08 PM, Carl Hoefs wrote:
I have a 32GB SD card (encrypted) and I want to bulk transfer the contents to a 
new 64GB SD card. I've reformatted the 64GB card, and set it to 1 partition, 
GUID partition table. In Disk Utility if I try to restore the 32GB card onto 
the 64GB card, it puts up an error:

Restore Failure: Source volume is read-write and cannot be unmounted, so it 
can't be block copied.

What's a good way to do this?

I'm not sure you can even restore a smaller source to a larger one, but even if you can, why are you doing that instead of copying the data? (That's not a snark, just wondering what your use case is because that affects the answer.)

Also, have you tried unmounting the source manually and then mounting it read-only?

Doug

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