smartmontools contains utility programs (smartctl, smartd) to control/monitor storage systems using the Self-Monitoring, Analysis and Reporting Technology System (S.M.A.R.T.) built into most modern ATA and SCSI disks. It is derived from smartsuite.
This RRDTool Framework provides a central HTTP-based service for import into standard RRD DBs and graph generation. A lightweight, easily extendable agent for the data sources is pushing updates with minimal resource consumption on the master service.