Consider the type of information contained in the PDFs in your directories and spooled files in your output queues. Aside from taking up disk space and consuming time during a backup, what's the issue with leaving these reports on the system? The issue is the contents of those reports, along with who has access to them.

As IASP technology continues to grow, so will its uses for high availability (HA) and backups. The result of that will be shrinking hardware costs and complexity and increased redundancy.