This dialog box can display the following views: | |
N + 1 Formation | When the nodes of an N+1 DS-System start, they will first try to join or create an N+1 formation. This is a group of interconnected nodes, which are synchronized (activities running on them will not conflict). The N+1 nodes require synchronization to prevent activities that are running on separate nodes from touching the same data at the same time. To achieve this, the nodes will vote for one of them to be the “synchronization point” (DS-Director). Once the N+1 formation is synchronized, it will consist of one DS-Director and several nodes (leafs) connected to the DS-Director. |
DS-Director | The DS-Director handles all synchronization requests from nodes. In case a node loses connection to the DS-Director, it will cease all activities and try to rejoin the N+1 formation. The DS-Director handles all user authentication (incoming DS-Client connections) for the entire cluster. It is also the only one that listens for incoming DS-Operator connections. A DS-Director can provide backup and restore services to DS-Clients (default), or act as a dedicated DS-Director (configurable from the Advanced Configurations dialog box.) |
Leaf (Node) | A node provides backup and restore services to DS-Clients. It does not listen for incoming DS-Operator connections. A node always maintains an open connection to the DS-Director. |
Graph View | Graph view shows a visual representation of the N+1 status. • Graph Layout: Select the layout for the graph (Linear or Star). |
List View | List view shows information from the "System Backup Summary" sorted by node. • ID: ID of the corresponding DS-System node. • Address: IP address of the corresponding DS-System node. • Status: Shows if the node is the DS-Director, a DS-System node (Leaf), or if it is not connected (Searching). • Start Time: Time the node’s System Backup Summary Process started. • In KB/Sec • Out KB/Sec • Activities • Library Files • Library Size (KB) • Delta Files • Delta Size (KB) • Regular Files • Regular Size (KB) • Total Files • Total Size (KB) • Physical Size (KB) • New Library Files • New Library Size (KB) |
Stop Node (List View) | Allows you to stop the selected node in the list. • Opens the "Stop N + 1 Node" dialog box. |
Add Node (List View) | Allows you to add a node to the N+1 formation without having to shut down the N+1 DS-System. • Opens the "Add N+1 Node" dialog box. • This will add the new node to the DS-System’s N+1 configuration file. You must ensure that the software on that node is installed and configured to work with this N+1 formation. |
Delete Node (List View) | Deletes the selected node from the list. This effectively removes that node from the entire N+1. • You can only delete the last item from the node list, and only if that node is currently shut down. • A confirmation dialog box will appear. |
Options | Refresh every [...] seconds: The graph or list is automatically updated at this interval. |