This section describes monitoring SSB.
If you intend to monitor SSB, the general rules of monitoring an Ubuntu system apply.
Depending on your monitoring tool, check out the available SNMP templates related to your system, and use those to monitor the general parts of SSB. These are the following:
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Caution:
Do not install any monitoring agent on the SSB appliance. Any alteration to the system is unsupported. |
For details on receiving e-mail alerts or SNMP traps on health- and system-related issues, see Configuring system monitoring on SSB.
SNMP object: | HOST-RESOURCES-MIB::hrStorageTable |
This section describes monitoring SSB's disk usage. Disk usage is measured per mountpoint (that is, partition).
Mountpoint | /mnt/firmware |
Partition | core firmware partition |
Community |
<community-of-master-node> (Basic Settings > Management > SNMP agent settings > Community) |
Context | "" (empty string) |
Free disk space that can be acquired by your main production system (for example, logspaces).
To make sure that you have the free disk space you are comfortable with, monitor the free disk space. This partition can fill up with for example the following:
received logs
generated reports
collected statistics
core dumps
If you cannot keep your free disk space in your comfortable interval (with scheduled cleanups) you probably need to purchase more SSB appliances. For assistance, contact our Support Team.
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NOTE:
If you have configured Basic Settings > Monitoring & Disk space fill up prevention, be aware that SSB will stop receiving log after reaching the configured threshold. By default, clients are disconnected when disks are 90 percent full. For details, see Preventing disk space fill up. |
Mountpoint | /initrd/mnt |
Partition | boot firmware partition (if SSB is in HA mode, the boot firmware partition of both nodes) |
Community | <id-of-the-node> |
Context | <id-of-the-node> |
The space on this mountpoint is required only by the system. Generally, this is independent from how you use SSB. The only important thing here to have some free space on the mountpoint.
Make sure that you have some free space on this mountpoint. As a recommended threshold, set a trigger to 80% in your monitoring system. If there is only about 20% free space left on this mountpoint, contact our Support Team.
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NOTE:
Monitoring the size of specific logspaces is not possible this way. If you are interested in the size of a specific logspace, you can configure a size limit alert for that logspace on the SSB web interface. For details on configuring a disk size alert for a specific logspace, see Creating logstores. |
SNMP object: |
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SSB is using swap (except on Azure) as part of its normal operation.
You can receive swap usage alerts by configuring an alert on Basic Settings > Alerting & Monitoring. For details, see Configuring system monitoring on SSB.
SNMP object: |
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If SSB's memory and swap usage are both above 90%, fine-tune your configuration or purchase more SSB appliances to balance the load. For assistance, contact our Support Team.
This section describes monitoring SSB's CPU.
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NOTE:
This document uses the concept of 'logical CPU' used by the Linux kernel. In this section, 'logical CPU' will be abbreviated as 'CPU'. To determine the number of CPUs in your SSB machine, enter the lscpu command in your console, or send an SNMP request. |
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