Meaning of the exclamation mark before a node on DeviceManager

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The exclamation mark before a node on DeviceManager indicates that alarms and events are reported on the node. If the node status is normal, the current problems do not affect the proper running of the node.

Other related questions:
What is the meaning of management marked on some interfaces on the device panel
The interfaces marked with management are the management network interfaces. They are used to load the system file or configuration file in the BootROM menu. NOTE: You are not advised to configure the interfaces to be marked with management in the BootROM menu.

Connecting switches to storage nodes for management and maintenance on OceanStor 9000 DeviceManager
To query information and manage switches on OceanStor 9000 DeviceManager, you can add a switch using the following methods: 1. If you are deploying OceanStor 9000 DeviceManager, follow the wizard to enter and select parameters of the switch on DeviceManager. After the deployment is completed, you can query the switch information. 2. On a deployed OceanStor 9000 DeviceManager, you can add or delete switch parameters on Toolkit. DeviceManager allows you only to modify switch parameters. You cannot add or delete switch parameters.

Meaning of OceanStor 9000 node failover
OceanStor 9000 employs a node failover mechanism that can detect a faulty node and forward access requests from the faulty node to other nodes.

Method used to export the basic information of nodes from OceanStor 9000 DeviceManager
To export the basic information of nodes from OceanStor 9000 DeviceManager, use OceanStor ToolKit and choose OceanStor 9000 V100R001C01 Product Documentation > Fault Management > Troubleshooting Guide > Collecting System Information.

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