Large volume at /mnt on AWS instance
It's called ephemeral/instance storage (see http://aws.amazon.com/ec2/instance-types/). Basically, it's temporary storage space which is cleared on instance stop/termination. Suitable for temporary storage.
It's called ephemeral/instance storage (see http://aws.amazon.com/ec2/instance-types/). Basically, it's temporary storage space which is cleared on instance stop/termination. Suitable for temporary storage.