nvme-stas is a Central Discovery Controller (CDC) client for Linux. It
handles Asynchronous Event Notifications (AEN), Automated NVMe subsystem
connection controls, Error handling and reporting, and Automatic (zeroconf)
and Manual configuration. nvme-stas is composed of two daemons:
stafd (STorage Appliance Finder) and stacd (STorage Appliance Connector).