Hi Jim,

If you're able, I think it would be handy to document using xfs_growfs in the disk image readme.

## Growing the disk image. ... sudo sgdisk -e -d4 -n4:0:0 /dev/<your-device> xfs_growfs /

I'm not sure if rebooting in between is required or recommended.

1. http://mirror.centos.org/altarch/7/isos/aarch64/ReadMe.txt

Thanks, Cov