Comprehensive and detailed guides provide information about Zmanda Cloud Backup release. The offline documentation is also available from the ZCB UI (Help>Getting Started, Help>FAQ)
Zmanda Cloud Backup 3.0.2 Release notes
Zmanda Cloud Backup 3.0.2 Getting Started Guide (PDF)
Zmanda Cloud Backup 3.0.2 FAQ (PDF)
Zmanda Cloud Backup 3.0.2 Service Pack 1 (for backups to Amazon Japan/Tokyo location)