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  1. Home
  2. NetBackup™ for SAP Administrator's Guide
  3. Installing NetBackup for SAP HANA
  4. Reviewing the auto-discovered mappings for SAP HANA
NetBackup™ for SAP Administrator's Guide

Reviewing the auto-discovered mappings for SAP HANA

In certain scenarios, a NetBackup host shares a particular name with other hosts or has a name that is associated with a cluster. To successfully perform backups and restores with SAP HANA, you must approve each valid auto-discovered mapping that NetBackup discovers in your environment. Or, manually add the mappings.

Examples of the configurations that have multiple host names include:

  • A host is associated with its fully qualified domain name (FQDN) and its short name or its IP address.

  • If the SAP HANA server is clustered, the host is associated with its node name and the virtual name of the cluster.

  • If the SAP HANA server is clustered, the host is associated with its node name and the virtual name of the cluster.

These mappings are configured in the Security > Host mappings node in the NetBackup web UI. You can also use the nbhostmgmt command to manage the mappings.

Auto-discovered mappings for a cluster

In SAP HANA cluster environment, you must map the node names to the virtual name of the cluster if the following apply:

  • If the backup policy includes the cluster name (or virtual name)

  • If the NetBackup client is installed on more than one node in the cluster, the virtual name must be mapped to each node. If the NetBackup Client is only installed on one node, then no mapping is necessary.

Approve the auto-discovered mappings for a cluster

To approve the auto-discovered mappings for a cluster

  1. In the NetBackup web UI, expand Security > Host mappings.
  2. Click the Mappings to approve tab.

    The list displays the hosts in your environment and the mappings or additional host names that NetBackup discovered for those hosts. A host has one entry for each mapping or name that is associated with it.

    For example, for a cluster with hosts client01.lab04.com and client02.lab04.com, you may see the following entries:

    Host

    Auto-discovered mapping

    client01.lab04.com

    client01

    client01.lab04.com

    clustername

    client01.lab04.com

    clustername.lab04.com

    client02.lab04.com

    client02

    client02.lab04.com

    clustername

    client02.lab04.com

    clustername.lab04.com

  3. Click the name of the host.
  4. Review the mappings for the host and click Approve if you want to use the discovered mappings.

    For example, if the following mappings are valid for client01.lab04.com, then you approve them.

    Auto-discovered mapping

    Valid name for

    client01

    The short name of the client

    clustername

    The virtual name of the cluster

    clustername.lab04.com

    The FQDN of the virtual name of the cluster

  5. When you finish approving the valid mappings for the hosts, click on the Hosts tab.

    For hosts client01.lab04.com and client02.lab04.com, you see entries for Mapped host or IP address that are similar to the following:

    Host

    Mapped host names/IP addresses

    client01

    The short name of the client

    clustername

    The virtual name of the cluster

    clustername.lab04.com

    The FQDN of the virtual name of the cluster

Auto-discovered mappings for a SAP HANA server cluster in a multiple NIC environment

If you have SAP HANA server cluster in a multi-NIC environment, you need to approve each valid auto-discovered mapping for the hosts in that environment. You must map the virtual name of the SAP HANA server cluster on the private network to the private name of each SAP HANA server cluster node.

To approve the auto-discovered mappings for SAP HANA server cluster in a multiple NIC environment

  1. In the NetBackup web UI, expand Security > Host mappings.
  2. Click the Mappings to approve tab.
  3. The list displays the hosts in your environment and the mappings or additional host names that NetBackup discovered for those hosts. A host has one entry for each mapping or name that is associated with it.

    For example, for a cluster in a multi-NIC environment with hosts client01-bk.lab04.com and client02-bk.lab04.com, you may see the following entries:

    Host

    Auto-discovered mapping

    client01-bk.lab04.com

    clustername-bk.lab04.com

    client02-bk.lab04.com

    clustername-bk.lab04.com

  4. Review the mappings for the host and click Approve if you want to use the discovered mappings. For example, if following mapping is valid for client01-bk.lab04.com, then you approve it.

    Auto-discovered mapping

    Valid name for

    clustername-bk.lab04.com

    The virtual name of the SAP HANA cluster on the private network

  5. When you finish approving the valid mappings for the hosts, click on the Hosts tab.

    For hosts client01-bk.lab04.com and client02-bk.lab04.com, you may see the following Mapped host or IP address.

    Host

    Mapped host or IP address

    client01-bk.lab04.com

    clustername-bk.lab04.com

    client02-bk.lab04.com

    clustername-bk.lab04.com

  6. If you need to add a mapping that NetBackup did not automatically discover, you can add it manually.
Example mapped host names for SAP HANA server cluster in a multi-NIC environment

Table: Example mapped host names for SAP HANA server cluster in a multi-NIC environment

Host

Mapped host names

Private name of Node 1

Virtual name of the SAP HANA cluster on the private network

Private name of Node 2

Virtual name of the SAP HANA cluster on the private network

Manually map host names

If you need to add a mapping that NetBackup did not automatically discover, you can add it manually.

To manually map host names

  1. In the NetBackup web UI, expand Security > Host mappings.
  2. Click on the Hosts tab.
  3. Click Add shared or cluster mappings.

    For example, type the name of the virtual name of the cluster. Then click Add to choose the hosts to which you want to map that virtual name.

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