Hello Michael .. here a cut for the error type when extracting .tar file
root@linaro-ubuntu-desktop /usr/local/bin# ./adi_update_boot.sh
...snip
tar: zynq-zed-adv7511-ad9361/ devicetree.dtb :Cannot Open: File exist
tar: zynq-zed-adv7511-ad9361/ BOOT.BIN :Cannot Open: File exist
tar: zynq-zed-adv7511-ad9361/ bootgen_sysfiles.tgz :Cannot Open: File exist
tar: zynq-zed-adv7511-ad9361 : Cannot utime : Read-only file system
tar: zynq-zed-adv7511-ad9361 : Cannot change mode to rwxrwxrwx: Read-only file system
... snip
./adi_update_boot.sh: line106 : /media/boot/VERSION: read-only file system
cp: cannot create regular file '/media/boot/devicetree.dtb : Read-only filesystem
cp: cannot create regular file '/media/boot/BOOT.BIN: Read-only filesystem
cp: cannot create regular file '/media/boot/uImage : Read-only filesystem
DONE
...end
this error type is for all files to try update.
-Nicolas