On Wed, Apr 29, 2015 at 11:24 PM, Kelly Prescott <kprescott at coolip.net> wrote: > This is not really a problem at all. > when you launch your image for the first time, you can specify a larger / > volume size and cloud-init-tools will take care of the rest. > This is well documented in the AWS userguides. > > -- Kelly Prescott I just had that discussion with an experienced AWS user, who hadn't noticed that the documentation at http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/storage_expand_partition.html says the following, very clearly: Unmount the partition if it is mounted. Run the umount command with the value of MOUNTPOINT from the lsblk command. In this example, the MOUNTPOINT value for the partition is /mnt. Notice the "unmount the parition part". This is not feasible with a "/" partition unless you've booted from separate media and have console access or remote SSH access with that separate media. I'm experienced enough to actually configure a second disk and ensure booting from *that* to re-arrange the primary disk's filesystems, but I'm looking for a better way. I'm also staring at the "cloud-init" docs you mentioned at http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AmazonLinuxAMIBasics.html#CloudInit. I see nothing about resizing the base OS image size, especially the "/" partition. Do you see something relevant? Nico Kadel-Garcia