Gen8 use old generation of Intel Core CPU. If DS3615xs works for you very well, no point to do something meaningless without any advantage.
If It Works, Don't Touch It.
DSM 6.1.2-15132
https://www.synology.com/en-global/releaseNote/DS3615xs
bootloader 1.02a, for DS3615sx
updated from DSM 6.1.1-15101 Update 4 to DSM 6.1.2-15132
so far no problem
sancome posted this in china website
http://gebi1.com/thread-239577-1-1.html
he said the development works is almost done
he said keep looking at his website http://nanoboot.eu.org/ for the latest information
sed 's/flashupdateDeb/flashupdateDeb1/' /autoupd@te.info> /autoupd@te.info1
mv /autoupd@te.info1 /autoupd@te.info
you can see the above commands operate in root directory, not on your data volume
How many disks do you have? seems that you have used all your disks.
if you want to create new volume, you must have free disks, otherwise you can only delete existing volume
re-create means delete and create