Dell Data Domain storage discovery using Patterns

Discovery and Service Mapping use the Dell EMC Data Domain serverless pattern to find the Data Domain storage systems registered in the Data Domain Management Center (DDMC). Discovering some of these resources may require updating to the latest version of the Discovery and Service Mapping Patterns application from the ServiceNow Store.

Request apps on the Store

Visit the ServiceNow Store to view all the available apps, and for information about submitting requests to the store. For cumulative release notes information for all released apps, see the ServiceNow Store version history release notes.

To learn about Data Domain components and their versions that you can discover, refer to Detailed information on products discovered by ITOM Visibility

Prerequisites

• Verify that the applications are up to date

  Discovery and Service Mapping Patterns

  CMDB CI Class Models

• Verify the creation of the credential alias

  role: DDMC admin.

  1. Set the scope to: Global.
  2. Navigate to Connections & Credentials > Connection & Credential Aliases.
  3. Select New.

  4. Fill in the fields in the form.

     Field	Description
     Name	Enter a unique name for the alias. For example: ddmc_discovery_ceredential_alias. Make note of the alias name to use it for configuring the Basic Auth credentials.
     Type	From the list, select Credential.
     ID	The ID field is populated automatically when submitting the form. Make note of the alias ID to use it for configuring the parameters for the Dell EMC Data Domain pattern. For example: ddmc_credential_alias_id.

  5. Select Submit.

• Verify the configuration of the Basic Auth credentials

  role: DDMC admin.

  Note: To run discovery with Patterns, you can create only one credential per one alias.

  1. Navigate to Connections & Credentials > Connection & Credential Aliases.
  2. In the list, search for the alias unique name and open the record.
  3. From the list, select Basic Auth Credentials.

  4. Fill in the fields in the form.

     Field	Description
     Name	Fill in a unique name for the credentials. For example: ddmc_discovery_basic_auth_ceredentials.
     User name	Fill in the user name that can access the DDMC. This user is created in the DDMC. The user should have minimum read-only permissions. Alternatively, fill in the REST API interface for the DDMC.
     Password	Fill in the password that can access the DDMC. This password is created in the DDMC.
     Active	Enabled by default.
     Credential alias	If you entered the form through the alias, you don't need to configure this field.

  5. Select Submit.

• Verify the configuration of a Serverless Discovery schedule

  role: Discovery_admin.

  1. Navigate to Discovery > Discovery Schedules.
  2. Select New.

  3. Fill in the fields in the form.

     Field	Description
     Name	Fill in the name of your choice.
     Discover	In the list, select Serverless.
     MID Server	Select the search button to open the list of MID Servers and select the MID Server that has network access to the DDMC.
     Active	Enabled by default.
     Credential alias	No need to configure this field.

     For more information about setting the Max run time, Run, and Time fields, see: Schedule a horizontal discovery

  4. Select Submit.

• Associate the Dell EMC Data Domain pattern with the Serverless Discovery schedule

  role: Discovery_admin.

  1. Navigate to Discovery > Discovery Schedules.
  2. Select the schedule that you configured.
  3. Select the Serverless Execution Patterns tab.
  4. Select New.

  5. Fill in the fields in the form.

     Field	Description
     Name	Fill in the name of your choice. For example: dell_emc_data_domain_serverless_discovery
     Pattern	Select the search button to open the list of patterns, and select the Dell EMC Data Domain pattern.
     Proxy Host	No need to configure this field.
     Extended Parameters	No need to configure this field.

  6. Select Submit.

• Configure the parameters for the Dell EMC Data Domain pattern

  role: Discovery_admin.

  1. Navigate to Discovery > Discovery Schedules.
  2. Select the schedule that you configured.
  3. Select the Serverless Execution Pattern tab.
  4. Select the record created for the Dell EMC Data Domain pattern.
  5. In the Discovery Pattern Launcher parameters tab, set the value for the fields as follows:

6.  To run the discovery, you can select **Discover now** from the **Related Links** or wait for the run time.

Data collected by Discovery during horizontal discovery

Discovery populates the data in the CMDB when running the Dell EMC Data Domain Patterns.

The Disk Shelf Chassis database is populated only for physical DD systems that support disk expansion shelves.

The DDMC REST API doesn’t provide the MAC address of network adapters. As a result, the MAC address field for network adapters remains empty.

CI relationships

Discovery and Service Mapping Patterns create these relationships to support the Data Domain discovery.

Parent Topic:Available on-premise discovery patterns