Storage Nodes manage the storage of objects to disk.
This object management (both object data and object metadata) includes the evaluation of objects against ILM rules to determine how an object’s data is stored over time and protected from loss.
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Administrative Domain Controller service
The Administrative Domain Controller (ADC) service maintains topology information and provides authentication services. The ADC service is found on the first three Storage Nodes deployed at a site.
Content Management System service
The Content Management System (CMS) service manages object data queued by the legacy ILM system. The CMS service is found on Storage Nodes.
Distributed Data Store service
The Distributed Data Store (DDS) service monitors the database and maintains object counts. The DDS service is found on Storage Nodes.
Local Distribution Router service
The Local Distribution Router (LDR) service manages the storage to disk of object data and object metadata. The LDR service is found on Storage Nodes.