Suggested settings to have an rclone-mounted Google Drive behave like Google's app

Help and Support
7

if you want all the files to stay in the cache.
vfs-cache-max-size=20G vfs-cache-max-age=9999y

in the forum, i have written about ways to force 100% of files and 100% of their contents into the cache.
for example,
rclone md5sum /home/user/gdrive --download

fwiw, i have a summary of the two rclone caches