How to hide your XPEnoboot USB drive from DSM

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Okay, I finally cracked mounting synoboot for 5.2. Here's the updated instruction.


First, ssh into your box as root.


Create your mount dir

Diskstation> mkdir -p /mountUSB


Find the next free loopback device. Mine shows /dev/loop0 from a fresh boot.

Diskstation> losetup -f


Setup the loopback device to use /dev/synoboot with offset 32256. NOTE: 32256 = 63 sectors * 512 bytes

Diskstation> losetup -o 32256 /dev/loop0 /dev/synoboot

<<<<< typo error {I accidentally typed 32556 here not 32256 as shown}


Any advice please on what to do to undo this error:

~ # losetup -f


~ # losetup -o 32556 /dev/loop0 /dev/synoboot <<< {should have been 32256}

~ # mount -t vfat /dev/loop0 /mountUSB

mount: mounting /dev/loop0 on /mountUSB failed: Invalid argument

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