Glossary - NetApp StorageGRID Webscale 10.4 Installation And Maintenance Manual

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Glossary

ACL
Access control list. Specifies which users or groups of users are allowed to access an
object and what operations are permitted, for example, read, write, and execute.
active-backup mode
A method for bonding two physical ports together for redundancy.
ADC service
Administrative Domain Controller. The ADC service maintains topology information,
provides authentication services, and responds to queries from the LDR, CMN, and CLB
services. The ADC service is present on each of the first three Storage Nodes installed at a
site.
ADE
Asynchronous Distributed Environment. Proprietary development environment used as a
framework for services within the StorageGRID Webscale system.
Admin Node
The Admin Node provides services for the web interface, system configuration, and audit
logs. See also,
Amazon S3
Proprietary web service from Amazon for the storage and retrieval of data.
AMS service
Audit Management System. The AMS service monitors and logs all audited system events
and transactions to a text log file. The AMS service is present on the Admin Node.
API Gateway Node
An API Gateway Node provides load balancing functionality to the StorageGRID
Webscale system and is used to distribute the workload when multiple client applications
are performing ingest and retrieval operations. API Gateway Nodes include a Connection
Load Balancer (CLB) service.
ARC service
Archive. The ARC service provides the management interface with which you configure
connections to external archival storage such as the cloud through an S3 interface or tape
through TSM middleware. The ARC service is present on the Archive Node.
Archive Node
The Archive Node manages the archiving of object data to an external archival storage
system.
atom
Atoms are the lowest level component of the container data structure, and generally
encode a single piece of information.
audit message
Information about an event occurring in the StorageGRID Webscale system that is
captured and logged to a file.
Base64
A standardized data encoding algorithm that enables 8-bit data to be converted into a
format that uses a smaller character set, enabling it to safely pass through legacy systems
primary Admin Node .