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The Fabric Monitoring inventory page allows the administrator
to monitor each node in the Junos Space fabric. You can also monitor
the status of the database, load balancer, and application logic functions
running on each node, identify nodes that are overloaded or down,
and view when the node was rebooted. The Fabric inventory page refreshes
every 10 seconds, by default.
Changing Views
You can display fabric monitoring in tabular view. The fabric
nodes appear in a table sorted by node name. Each fabric is a row
in the Fabric Monitoring table.
To change views:
Select Administration > Fabric. The Fabric page appears.
Click a view indicator at the left of the title bar of
the Fabric page.
Viewing Fabric Node Details
To view detailed runtime and status information for a
node:
On the Junos Space Network Management Platform user interface,
select Administration > Fabric.
The Fabric page that appears displays all the nodes in the Junos
Space Platform fabric.
Right-click a node and select View Fabric Node Details or double-click inside a row corresponding to a node.
The View Node Detail pop-up window that appears
displays three tabs: Node Detail, Reboot Detail, and Process Detail.
To view the node details, click the Node Detail tab.
For the first node, Junos Space uses the node
name that the user specifies during the initial
configuration of the Junos Space Virtual Appliance
.
For each subsequent node, the user must specify a
node name when adding the node to the fabric.
Management IP (IPv4)
IPv4 address for the node
Management IP (IPv6)
IPv6 address for the node
Host Name
Host name of the node
Device Connection IP
(IPv4)
IPv4 address for connecting to the device
Device Connection IP
(IPv6)
IPv6 address for connecting to the device
Status
Connection status for the node
UP—Node is connected to the fabric
DOWN—Node is disconnected from the fabric
% CPU
Percentage of CPU resource utilized by the node; from
0 to 100%
Unknown—Percentage of CPU utilized is unknown,
for example, because the node is not connected
% Memory
Percentage of memory resource utilized by the node;
from 0 to 100%
Unknown—Percentage of memory utilized is
unknown, for example, because the node is not
connected
% SWAP
Percentage of swap memory used
Unknown—Percentage of SWAP memory utilized is
unknown, for example, because the node is not
connected
% DISK
Percentage of the /var directory
utilized by the node; from 0 to 100%
Unknown—Percentage of the
/var directory utilized by
the node is unknown, for example, because the node
is not connected
App Logic
Application logic function status for the node
UP—Application logic function is running on the
node
DOWN—Application logic function enabled on the
node but is not running
Unknown—Status for the application logic
function is unknown, for example, because the node
is not connected
NA— Application logic function is not
configured to run on the node
(Primary)—Configured primary Junos Space node
in the fabric
Deploying—Junos Space
Platform and its applications are initializing
after a recent JBoss restart
Parsing Schema—Device
schema files are being parsed after a recent JBoss
restart
Database
Database function status for the node
UP(Primary)—Database
function is running on the node and the node is
the primary database node
Up—Database function is
running on the node
In the case of dedicated database nodes, the
secondary database node is always UP.
Down—Database function
that is enabled on the node but is not running
Standby—Database
function is on standby and could potentially
transition to the UP state on failover
Unknown—Status for the
database function is unknown, for example, because
the node is not connected
NA—Database function is
not configured to run on the node
Note:
By default, the database function is enabled on
no more than two nodes in the fabric.
Out of Sync— Database is
out of sync with the node. View
Status provides a detailed report of
errors with remedies.
Load balancer
Load balancer function for the node
Up—Load balancer
function is running on the node
Down—Load balancer
function that is enabled on the node is not
running
Standby—Load balancer
function is on standby and could potentially
transition to the UP state on failover
Unknown—Status for the
Load balancer function is unknown, for example,
because the node might not be connected
NA—Load balancer
function is not running because it is not
configured to run on the node
Note:
By default, the Load balancer function is
enabled on no more than two nodes in the
fabric.
(VIP)—Configured virtual
IP node in the fabric
Software version
Junos Space Network Management Platform release
version
Note:
Software version appears when you double-click a
table row for a detailed view of the node.
Serial number
The serial number for the Junos Space Appliance
Note:
Serial number appears when you double-click a
table row for a detailed view of the node.
Cluster Member IPs
IP addresses of the nodes in the fabric
Is Primary Node
Indicates whether the node is a primary node:
TRUE—The node is a primary node
FALSE—The node is not a primary node
Is VIP Node
Indicates whether the node is a virtual IP (VIP)
node. The first (active) node and second (standby)
node are VIP nodes.
TRUE—The node is a VIP node.
FALSE—The node is not a VIP node.
Virtual Machine(s)
Lists the virtual machine IPs hosted by the node.
Host IP
IP address of the hosted virtual machine. This field
is not applicable to Junos Space
nodes.
To view the details of the last reboot performed, select
the Reboot Detail tab.
Table 2 lists the information
related to the last reboot performed on this node.
Table 2: Information on the Reboot Detail
Tab
Information
Description
Last Boot Time
Time at which the node was rebooted
Last Boot Reason
Reason why the node was rebooted
Last Rebooted By
Username of the user who rebooted the node
Note:
If the node was rebooted from the CLI, or as a result
of an upgrade or a fresh installation, the Last Rebooted By column
displays #system.
Table 3 lists the default messages displayed to the user for different types
of reboot actions.
Table 3: Default
Messages for Different Reboot Actions
Reboot Action
Default Message
Rebooting after changing the network settings of the
node from the Junos Space user interface
Reboot after Space Network Settings change
Upgrading Junos Space Platform
Space reboot after Software Upgrade
Rebooting from the CLI
Reboot from Shell/Other
Starting up Junos Space Platform for the first time
Junos Space startup after Installation/Software Upgrade
To view the details of the processes on this node, select
the Process Detail tab.
Table 4 lists the columns that specify the
details for
JBoss.
Table 4: Columns on the Process Detail
Tab
Column Name
Description
Process
Name of the process
Status
Status of the process: UP, DOWN, STANDBY, or N/A
%CPU
Percentage of CPU resources used by the process on the
node
%MEMORY
Percentage of memory used by the process on the node
Start Time
Time at which the process is initiated
Note:
The status of the process and the percentage of CPU resources
used by the process is queried once every 30 seconds.
The process is in standby mode and could potentially
transition to the UP state on failover.
N/A
The process is never expected to be active on the node.
Table 6: Status
of the Processes When OpenNMS Is Running on the Junos Space Node
Process
Junos Space
Node with OpenNMS
VIP Node
Secondary Node
Other Nodes
JBoss
UP/DOWN
UP/DOWN
UP/DOWN
Note:
If an unexpected process is running on a node, the status
of the process is shown as UP. If a node fails, the status of all
processes on the node is shown as UNKNOWN.
