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I have a real Ubuntu 12.10 installation being virtualized under a Windows 8 host, by using the VBoxManage.exe internalcommands createrawvmdk method.

I'm trying to mount an exFAT partition into the virtualized machine (which is the partition of shared work files), but even though I have fuse-exfat installed, and the partition is perfectly mountable while booting entirely into Ubuntu, I can't mount it while virtualizing it.

1- If I make a full vmdk image of the HDD, including all partitions, Ubuntu 12.10 "sees" the partition, and trying to mount it throws this error:


2- If I make a machine with only the linux partitions, + the exFAT partition. Again Ubuntu "sees" the partition and the result is:

Error: fsync failed


3- If I make a machine with only the linux partitions, and try to mount it, Ubuntu doesn't "see" the partition, and I get this error:


I've tried using the VirtualBox' "Shared Folders" functionality but even though I install the "Guest Additions", the system doesn't seem to recognize the shared folder:


Help? Thanks!

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closed as off-topic by Seth Jun 16 '14 at 19:36

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This describes a problem that can't be reproduced that seemingly went away on its own or was only relevant to a very specific period of time. It's off-topic as it's unlikely to help future readers." – Seth
If this question can be reworded to fit the rules in the help center, please edit the question.

What is the OS of the guest? – Ross Smith II Oct 21 '12 at 1:38
Related:…. What do you get on mount -t exfat(do not capitalize FAT)? – Takkat Oct 21 '12 at 7:30
The linux install being virtualized is Ubuntu 12.10. Using exfat not capitalized works but still throws an error. Updated the question. – Alain Jacomet Forte Oct 21 '12 at 16:17

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