How to enlarge the size of an EBS volume in AWS and extend an ext4 partition
When we completely fill up an ext4 filesystem mounted on a partition hosted in an EBS volume of Amazon Web Services and we can not do anything to free space because we do not want to lose any of the stored data, the only solution is to grow up the volume and extend the associated partition up to 100% of its capacity to obtain free space again.
We start in our example with a 50 GB volume full to 100%. We want to extend it to double the size, 100 GB: