Proxy node definitions for VSS backups

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Use the IBM Storage Protect backup-archive client to implement VSS backup operations. You must use two node names for each configured snapshot agent; one for the backup-archive client and the other for the IBM Storage Protect Snapshot agent (for Exchange, SQL or Custom Applications).

As part of the configuration procedure, a proxy relationship is defined for these node names. By default, this proxy relationship is defined when you run the configuration wizard. You can manually complete the configuration.

The proxy relationship allows node names to process operations on behalf of another node name. When you register these nodes to the IBM Storage Protect server for VSS operations, you must specify the IBM Storage Protect USerid=<node name> parameter.

Two types of node names are defined in proxy node relationships:
  • Target node: A node name that controls data backup and restore operations and also owns the data on the IBM Storage Protect server. This node name is specified in the IBM Storage Protect Snapshot for Microsoft Exchange Server and IBM Storage Protect Snapshot for Microsoft SQL Serverdsm.opt file.
  • Agent node: A node name that processes operations on behalf of a target node. This node name is specified in the backup-archive client dsm.opt file.
To define these nodes, enter the backup-archive client grant proxy command. For example: 
GRANT PROXY TARGET=dpexc_node_name AGENT=dsmagent_node_name