Member Status
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- Shwetha S
You can monitor the overall status, such as the memory usage and system temperature, of a Grid member or an independent appliance using the Member Status (System Status) widget on the Dashboard.
To monitor the detailed status of a member, from the Grid tab, select the Grid Manager tab -> Members tab.
In the Members tab, Grid Manager displays the Grid Master first and then all other members in alphabetical order. If a member is an HA pair, you can click the arrow next to the member row to view information about the active and passive nodes. Grid Manager can display the following information:
- Name: The name of the member.
- HA: Indicates whether the member is an HA pair.
- Status: The service status of the member. For a vNIOS appliance whose license is revoked and is still operating in the Grid, Grid Manager displays a license violation warning here. You should immediately remove this member from the Grid.
- IPv4 Address: The IPv4 address of the appliance, or the VIP of an HA pair.
- IPv6 Address: The IPv6 address of the appliance, or the VIP of an HA pair.
- Identify: This field appears only if your appliance has the unit identification button. This can be On or Off. When you identify the appliance by pressing the UID button on the appliance or through the GUI or CLI command, this field displays On. Otherwise, this is Off.
- DHCP, DNS, TFTP, HTTP, FTP, NTP, bloxTools, Captive Portal, DNS Accelerator usage, Reporting, Discovery, Threat Protection, Cloud-API, Threat Insight, TAXII: The status icons indicate whether these services are running properly. For information about service status, see Monitoring Services.
- Hardware Type: The hardware type of the appliance.
- Hardware Model: The hardware model of the appliance.
- Serial Number: The serial number of the appliance.
- DB Utilization: The current percentage of the database in use.
- Host Platform: The platform on which the appliance is running. For a vNIOS appliance, this field displays the name of the cloud management platform, such as AWS, Azure, GCP, or VMware, and for the vNIOS for GCP appliance, if the NIOS instance is running on a single network interface, the field displays GCP (Single Interface). For physical NIOS appliances, this displays Physical. For appliances running on the CentOS operating system, the Host Platform column displays Red Hat.
- Hypervisor: The hypervisor of the appliance
- Comment: Information about the member.
Note
The placement of the Host Platform and Hypervisor columns may vary after a NIOS upgrade.
To turn the identification button on or off on the member, click the Hardware Identify icon from the horizontal navigation bar. Grid Manager displays a panel with the appliance name, status, and IP address. Hover your mouse over the row and click Turn On to turn the identification button on, or click Turn Off to turn it off.
To view detailed status, select a member checkbox, and then click the Detailed Status icon. Grid Manager displays the Detailed Status panel. If the selected member is an HA pair, Grid Manager displays the information in two columns, one for the active node and the other for the passive. The Detailed Status panel provides detailed information described in the following sections.
You can modify some of the data in the table. Double click a row, and either modify the data in the field or select an item from a drop-down list. Click Save to save the changes. Note that some fields are read only.
Appliance Status
The status icon indicates the operational status of a Grid member and a general description of its current operation. The status icon can be one of the following:
Icon | Color | Meaning |
| Green | The appliance is operating normally in a "Running" state. |
| Yellow | The appliance is connecting or synchronizing with its Grid Master. |
| Red | The Grid member is offline, is not licensed (that is, it does not have a DNSone license with the Grid upgrade that permits Grid membership), is upgrading or downgrading, or is shutting down. |
The following are descriptions that may appear: Running, Offline, Error, and Warning.
Disk Usage
Grid Manager displays the percentage of the data partition of the hard disk drive that is currently in use on the selected Grid member. It also displays whether the percentage of usage has exceeded the trigger or reset value. Note that the trigger and reset values are user configurable. The default trigger value is 85% and reset value is 70%. The status icon can be one of the following:
Icon | Color | Meaning |
| Green | The disk usage is either below the reset value or has not yet reached the trigger value. |
| Yellow | The disk usage is decreasing from the trigger value, but has not yet reached the reset value. |
| Red | The disk usage has exceeded the trigger value. |
DB Capacity Usage
Grid Manager displays the current percentage of the database in use on the selected Grid member. It also describes whether the usage has exceeded the trigger or reset value. Note that the trigger and reset values are user configurable. The default trigger value is 80% and the reset value is 70%. For information about using the capacity report, see Monitoring Tools. The status icon can be one of the following:
Icon | Color | Meaning |
| Green | The database capacity is either below the reset value or has not yet reached the trigger value. |
| Yellow | The database capacity is decreasing from the trigger value, but has not yet reached the reset value. When the capacity exceeds the trigger value, the icon changes from green to yellow. |
LAN1/LAN2 Ports, HA Port, and MGMT Port
Grid Manager displays the IP address of the port. The status icons for these ports indicate the state of their network connectivity.
Icon | Color | Meaning |
| Green | The port is properly connected to a network. Grid Manager displays the IP address of the network. |
| Red | The port is not able to make a network connection. |
| Gray | The port is disabled. |
LCD
The LCD status icon indicates its operational status.
Icon | Color | Meaning |
| Green | The LCD is functioning properly. |
| Yellow | The LCD process is not running. |
Memory Usage
Grid Manager displays the current percentage of system memory in use on the selected Grid member. It also describes whether the usage has exceeded the trigger or reset value. Note that the trigger and reset values are user configurable. The default trigger value is 90% and the reset value is 80%. You can see more details about memory usage through the CLI command: show memory. The status icon can be one of the following.
Icon | Color | Meaning |
| Red | The memory usage has exceeded the trigger value. |
| Yellow | The memory usage is decreasing from the trigger value, but has not yet reached the reset value. |
| Green | The memory usage is either below the reset value or has not yet reached the trigger value. |
Swap Usage
Grid Manager displays the current percentage of swap area in use on the selected Grid member. It also describes whether the usage has exceeded the trigger or reset value. Note that the trigger and reset values are user configurable. The default trigger value is 20% and the reset value is 10%. The status icon can be one of the following:
Icon | Color | Meaning |
| Red | The memory usage has exceeded the trigger value. |
| Yellow | The memory usage is decreasing from the trigger value, but has not yet reached the reset value. |
| Green | The memory usage is either below the reset value or has not yet reached the trigger value. |
FAN
The status icon indicates whether the fan is functioning properly. The corresponding description displays the fan speed. The status icon and fan speed are displayed for Fan1, Fan2, and Fan3.
Note
vNIOS appliances on VMware do not monitor or report the fan speed.
Icon | Color | Meaning |
| Green | The fan is functioning properly. |
| Red | The fan is not running. |
NTP Synchronization
The status icon indicates the operational status of the current NTP synchronization status.
Icon | Color | Meaning |
| Green | The NTP service is enabled and running properly. |
| Yellow | The NTP service is enabled, and the appliance is synchronizing its time. |
| Red | The NTP service is enabled, but it is not running properly or is out of synchronization. |
| Gray | The NTP service is disabled. |
Passive HA Connectivity Status
The status icon indicates the ARP connectivity status of the passive node of an HA pair. The status icon can be one of the following:
Icon | Color | Meaning |
| Green | The passive HA node is connected to the local router. |
| Yellow | The passive HA node fails to connect to the local router. |
| Gray | ARP is disabled on the passive node of an HA pair. |
CPU Temperature
This icon is always green. The description reports the CPU temperature.
Note
vNIOS appliances on VMware do not monitor or report the CPU temperature.
System Temperature
This icon is always green. The description reports the system temperature.
Note
vNIOS appliances on VMware do not monitor or report the system temperature.
CPU Usage
Grid Manager displays the current percentage of the CPU usage on the selected Grid member. The maximum is 100%. It also describes whether the CPU usage has exceeded the trigger or reset value. Note that the trigger and reset values are user configurable. The default trigger value is 81% and the reset value is 70%. You can see more details about CPU usage through the CLI command: show CPU.
The status icon can be one of the following:
Icon | Color | Meaning |
| Green | The CPU usage is either below the reset value or has not yet reached the trigger value. |
| Red | The CPU usage has exceeded the trigger value. |