expanding openelec partition on sd card fails

[Endymion]

hi there,

i'm using a 8GB SD Card in my Intel Nuc to boot openelec 6.0. i want to expand the default 256MB Partition to the max.

I really tried everything i could find through google.
SSH: touch /storage/.please_resize_me gives me "resizing not allowed. rebooting in 15s"
SSH: umount /storage doesnt work as well
gparted: doesn't give me the option to expand past 256MB


i really like openelec, using it for years now. but this stuff is bringing me close to the edge.
don't unterstand why there is a 256MB Partition in the first place

[klojum]

If you are using Windows to have a look at that SD card, there are actually 2 partitions on the card. But Windows cannot see the other EXT4 formatted partition. The 256MB partition is the readonly system partition and should not be resized by default.

If necessary, try to use the Backup tool in the OpenELEC Settings addon to save your current setup, and secure your backup file on an external location.
Then, do a fresh install of OpenELEC onto your NUC, and let OE resize the SD card's second partition on the first boot.

What is the size of your SD card? Anything over 16GB ?