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

Creating a Tenant Unit with the wizard

You can create a Tenant Unit with the Create Tenant Unit Wizard.

Prerequisites

Storage for a Tenant is contained within a virtual partition that is called a Tenant Unit on a DD system. To assign storage to a Tenant, use the Create Tenant Unit Wizard. The wizard enables you to create the Tenant Unit, provision storage, and assign the Tenant Unit to a Tenant. You can also create an empty Tenant Unit for a Tenant and provision storage later.

Select Administration > Multitenancy. Then select a Tenant, and the Add (green +) control.

You have three choices when creating a Tenant Unit:

  • Create a Tenant Unit with manual provisioning storage, where you create or select the MTrees and Storage Units that are associated with this Tenant Unit. You can also optionally create DD Boost Data Access users to go with the Storage Units.
  • Create a Tenant Unit with automatic provisioning storage, where you can add new or existing DD Boost Data Access users to this Tenant Unit. This action allows backup software to create Storage Units that are assigned to this Tenant Unit.
  • Create an empty Tenant Unit, where you can provision the Tenant Unit later using the Edit Tenant Unit dialog box.

Steps

  1. On the first page of the wizard, Identify Host System:
    • For Datacenter location (optional), select a location. A location (for example: New York) must be previously entered as a Data Center location property. (Administration > Properties > Data Center)
    • For Size now (GiB) (optional), type a number to filter systems that do not have sufficient storage capacity.
    • For Size to grow (GiB) (optional), type a number to filter systems that do not have sufficient capacity at a future time (set in "Time to grow"), based on capacity projections. The size to grow is the size to grow to by the specified time. For example, for a specified time of six months, if the size now is 1 GiB, and the size to grow is 2 GiB, in six months, the minimum capacity requirement would be 2 GiB.
    • For Time to grow (which is optional), type the time after which the "Size to grow" amount of capacity should be reached.
  2. On the second page of the wizard, Select Host System, you see systems that have enough logical capacity to host the Tenant Unit:
    How do I check host system performance? Use the following information to determine the best system on which to create the Tenant Unit.
    • Available now indicates systems that you can select now.
    • Available in 6 months is displayed if you selected 6 months in the "Time to grow" field on the previous page, or did not explicitly select a value. If you selected a value in "Time to grow", Available in 12 months, Available in 18 months, or Available in 24 months is displayed. For example, for a specified time of six months, if the size now is 1 GiB, and the size to grow is 2 GiB, in six months, the minimum capacity requirement would be 2 GiB. Any system that has a lower projected capacity is filtered from the list. Also, any system that is offline at the time, and any collection destination system, is filtered from the list. Only systems running DDOS 5.6 or later are listed.
    • Existing Tenant Units displays the current number of Tenant Units on this system.
    • For systems with an information (blue i) control, you can hover to see a warning message explaining why a projection cannot be made.
    • If a system is not listed, it may be because it:
      • Is not in the specified data center
      • Is offline
      • Is running DDOS 5.6 or earlier
      • Has insufficient capacity
      • Has a replication destination
      • Is a system for which you do not have administrative privileges
    • For the selected system, the charts at the bottom show historical data, including Throughput for the selected connection Port, CPU utilization for each system, and Stream Count. You may switch the Port and the time (Last 7 days, Last 30 days, or Last 90 days) drop-down menus to get different sets of data.
  3. On the third page of the wizard, Administration, type name and administrator details:
    • For Tenant Unit name [which is required, as indicated with the asterisk (*)], type a unique Tenant Unit name per system.
    • For Administrator name (which is optional), type the name of the backup administrator.
    • For Administrator email [which is required, as indicated with the asterisk (*)], type the email address of the backup administrator. This option creates a default Alert Notification list.
    • When Create an Empty Tenant Unit is selected, Use strict security mode options do not show.
    • Check Use strict security mode if you want to allow incoming replications only if they are from another Tenant Unit that the same Tenant owns.
    • Select or type Management IP Addresses (which is optional), as needed.
    NOTE See the following section, Security mode and management IP addresses, for more about these topics.
  4. The fourth page of the wizard depends on the previous choice. [For "Create an empty Tenant Unit", you go to the final page (step 5).]
    1. For manual provisioning, you can create MTrees/Storage Units.
      • MTrees/Storage Units can be added here, when creating a Tenant Unit with Manual Provisioning. You can also add them when editing a Tenant Unit.
      • You can add new MTrees or Storage Units, or select from the Existing MTrees or Storage Units on the host system.
      • You can also edit, unassign, or destroy MTrees or Storage Units from the same area.
      • If an MTree or Storage Unit selection is disallowed, you can hover over it, to see more information.
    2. For automatic provisioning, you can configure users for data access over the DD Boost protocol.
      • You can add an existing local user or create a new local user and promote the local user to DD Boost user.
      • You can delete the selected DD Boost User.
      • The table contains DD Boost Data Access User names and the Storage Units count associated with the user.
      • The information panel shows when one or more users are selected.
      • The configuration is not changed until you select Create on the Summary page.
      • If there are one or more local users in the list, the first local user in the list is selected by default. If there are no local users in the list, the "New local user" is selected. All selected users or newly created users are automatically default Tenant Units.
      • A warning shows if the current selected local user already has another Tenant Unit as their default Tenant Unit.
      • The first entry in the "Local user" drop-down list is "New local user", which lets you create a new local user and add it as a DD Boost Data Access user.
      • When selecting " New local user", the Add Data Access User dialog box changes to a Add New Data Access User form.

  5. The fifth (final) page (fourth page for "Create an empty Tenant Unit") of the wizard is a Summary, showing data from the previous pages.
    • The Tenant Unit is not created until you select Create.
    • You have the option to send an email to the Tenant Unit administrator on successful creation of the Tenant Unit.
    • Creating a Tenant Unit with any sort of provisioning (not empty) automatically generates a pair of Report Templates (Status and Usage) and schedule them.
    • You may get one of two warnings: (1) You have not provisioned this Tenant Unit correctly. Add MTrees or Storage. (2) You have not provisioned this Tenant Unit correctly. Make this Tenant Unit the Default Tenant Unit for one of the DD Boost Data Access Users.

Results

The newly created Tenant Unit is added to the tree.

What to do if create Tenant Unit fails

Creating a Tenant Unit may fail for several reasons.

It may fail because of a duplicate Tenant Unit name, or if there are sudden system state changes, such as a network or connectivity issue.

Failures may occur within the create process, where MTrees, Storage Units, or DD Boost users are not created.

Creating a Tenant Unit succeeds even if the configuration of an individual component like MTrees or DD Boost users fails. So, the final components of a newly created Tenant Unit might not match the specifications.

To view the success or failure information for each task, or to investigate inconsistencies, select Health > Jobs and view the messages.

Address the reasons for failure before trying to re-create a new Tenant Unit, or you risk repeating the same failures.


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