Using Bash & Python scripts in Ubuntu 12.04, we are delivering a disk image to customers as a file (generated by
dd’d to the new disk, we resize the partition to fit the disk. Now that we are using GPT disks, I need to provide a new non-interactive, non-X script.
The problem is
parted generates an interactive message:
Error: The backup GPT table is not at the end of the disk, as it should be. This might mean that another operating system believes the disk is smaller. Fix, by moving the backup to the end (and removing the old backup)? Fix/Ignore/Cancel?
-m switch with parted I am unable to get it to resize the disk and fix the location of the backup GPT. I can’t echo an “F” into the command either:
echo "F" > parted /dev/sda resize 2 0% 100% parted /dev/sda resize 2 0% 100% parted -m /dev/sda resize 2 100% parted -s /dev/sda resize 2 100%
And so forth.
sgdisk don’t seem to be able to resize.
gparted works fine but it’s X of course and not allowed.
From the CLI I can squelch the interactive message by running in backticks:
`parted -s /dev/sda rm 2` ( succeeded with error) `parted -s /dev/sda mkpart primary 100%` ( fails because the backup GPT was not moved)
So I need the special “move GPT backup” service offered in the interactive message, and only offered there, but I need to run non-interactively.