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Dell PowerProtect DD Management Center (DDMC) 7.9 Installation and Administration Guide

Terminology used in Secure Multitenancy (SMT)

Understanding the terminology that is used in SMT will help you better understand this unique environment.

MTrees

MTrees are logical partitions of the file system and offer the highest degree of management granularity, meaning users can perform operations on a specific MTree without affecting the entire file system. MTrees are assigned to Tenant Units and contain that Tenant Unit's individualized settings for managing and monitoring SMT.

Multi-Tenancy

Multi-Tenancy refers to the hosting of an IT infrastructure by an internal IT department, or an external service provider, for more than one consumer/workload (business unit/department/Tenant) simultaneously. DD SMT enables Data Protection-as-a-Service.

RBAC (role-based access control)

RBAC offers multiple roles with different privilege levels, which combine to provide the administrative isolation on a multi-tenant protection system.

Storage Unit

A Storage Unit is an MTree configured for the DD Boost protocol. Data isolation is achieved by creating a Storage Unit and assigning it to a DD Boost user. The DD Boost protocol permits access only to Storage Units assigned to DD Boost users connected to the system.

Tenant

A Tenant is a consumer (business unit/department/customer) who maintains a persistent presence in a hosted environment.

Tenant Self-Service

Tenant Self-Service is a method of letting a Tenant log in to a protection system to perform some basic services (view MTrees or storage units that belong to the tenant unit, or change the tenant's own password). This reduces the bottleneck of always having to go through an administrator for these basic tasks. The Tenant can access only their assigned Tenant Units. Tenant Users and Tenant Admins will, of course, have different privileges.

Tenant Unit

A Tenant Unit is the partition of a system that serves as the unit of administrative isolation between Tenants. Tenant units that are assigned to a tenant can be on the same or different systems and are secured and logically isolated from each other, which ensures security and isolation of the control path when running multiple Tenants simultaneously on the shared infrastructure. Tenant Units can contain one or more MTrees, which hold all configuration elements that are needed in a multi-tenancy setup. Users, management-groups, notification-groups, and other configuration elements are part of a Tenant Unit.


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