When testing TimedMediaHandler transcoding in MediaWiki-Vagrant, I noticed that uploaded files and their transcodes both go in /srv/images which is on the root partition... but the root partition has only 9.2G total space available. This runs out fairly quickly when running a few gigs of test videos:
vagrant@mediawiki-vagrant:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 9.2G 8.8G 0 100% / udev 10M 0 10M 0% /dev tmpfs 403M 41M 362M 11% /run tmpfs 1006M 0 1006M 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 1006M 0 1006M 0% /sys/fs/cgroup none 233G 86G 148G 37% /vagrant none 233G 86G 148G 37% /vagrant/logs
Workaround: symlink /srv/images into /vagrant/images.