Sunday, October 22, 2017

partitioning - How to mount an old HFS System 7 Macintosh floppy with write access?

I have an old 3.5" HD floppy disk. It was formatted on a Macintosh SE/30 and thus it is formatted with the HFS (not HFS+!) file system. I am having trouble mounting it properly. I have hfsutils and hfsprogs (though I think this is only for HFS+) installed. When putting the disk into my USB floppy drive and rebooting my Ubuntu 18.04 laptop, the disk is mounted, but I can't write to it because it is in read-only mode. Removing and reinserting it will cause it to not be mounted automatically at all.



I tried mounting it manually with explicit rw, but I still can't write to it, only read:
sudo mount -t hfs -o rw /dev/sdb /media/andreas/xyz/

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