Standard KB
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Revision as of 13:52, 18 July 2006
Contents |
Overview
The primary aim of the Standard knowledge base in Sentinel3G is to provide for some basic connectivity monioring. This document describes the general content of the Standard knowledge base, and the discrepancies between them on different platforms.
Standard Knowledge Base Version
| Version | Availability Date | Min Sentinel Version |
|---|---|---|
| 1.1 | 1st Feb, 2006 | 4.4 |
Standard Knowledge Base Settings
The following settings are global and affect the behaviour of sentinel3G. Ensure you restart the Host Manager after changing any of these settings.
| Setting | Description |
|---|---|
| Debug | Whether Host Monitor debugging is enabled. The default value is no. |
| EventHost | The host that this Host Monitor sends events to. This setting is requested the first time the sentinel3G console is started. If you change the EventHost setting, you must restart the Host Monitor. |
| HostmonAccess | If this host is a sentinel3G Event Manager, this specifies which hosts can connect as Host Monitors. The default value is Domain (hosts in the local domain are trusted). Other options are: None (only hosts in Hostinfo are trusted), and All (all hosts are trusted). |
| NotifyList | The default list of people to to notify when a sentries' severity is NotifySeverity or higher. |
| NotifyMessage | The message body template for notifications. The default value is 'Sentry $SentryName is in $State state ($Severity):\n $ConsoleText'
|
| NotifySMS | The message text template for SMS notifications. The default value is '[string totitle $Severity]: sentry $SentryName $State at [clock format $Since -format %H:%M] - $ConsoleText'
|
| NotifySeverity | The default minimum severity for notification to occur. The default value is alarm severity. |
| NotifySites | Notification hosts(???) |
| NotifySubject | The message subject template for notifications. The default value is '[string totitle $Severity]: sentry $SentryName $State at [clock format $Since -format %H:%M]'
|
| Polled | Whether this Host Monitor is polled by the Event Manager. Normally the Host Monitor connects to the Event Manager. Sometimes, due to security policies, a firewall may block such a connection. However, opposite direction connection is possible, so the Host Monitor is configured to be polled by the Event Manager instead. The default value is no, the Host Monitor connects to the Event Manager. If you change the Polled setting, the PolledHosts setting must be changed on the Event Manager host to include this host, and you must restart both the Host Monitor and the Event Manager. |
| PolledHosts | The list of hosts that cannot connect to the Event Manager on this host. If you change the PolledHosts setting, you must restart the Event Manager. |
| ProxyExcludes | Hosts to exclude from the proxy(???) |
| ProxyHost | The name of the proxy host(???) |
| ProxyInfo | (???) |
| ProxyPort | (???) |
| RefSites | |
| RefSitesOptions | |
| RefSitesPort | |
| RefSitesTimeout |
Standard Knowledge Base
Connectivity Class
| Sentry | AIX | HPUX | Linux | SCO | Solaris | Tru64 | Windows |
|---|---|---|---|---|---|---|---|
| Connectivity¹ | √ | √ | √ | √ | √ | √ | √ |
| InternetConnectivity² | √ | √ | √ | √ | √ | √ | √ |
¹ The Connectivity sentry is switched off by default.
² Unless the global settings RefSitesOptions and RefSites are configured this sentry is disabled.
Sentinel Class
| Sentry | AIX | HPUX | Linux | SCO | Solaris | Tru64 | Windows |
|---|---|---|---|---|---|---|---|
| Scheduler¹ | √ | √ | √ | √ | √ | √ | √ |
¹ The Scheduler sentry is switched off by default.
Sentry Details
Overview
| Sentry | Class | Agent | Poll Time | States | Logging |
|---|---|---|---|---|---|
| Connectivity¹ | Connectivity | Ping | 300s | √ | √ |
| InternetConnectivity² | Connectivity | PortPing | 30s | √ | √ |
| Scheduler¹ | Sentinel | Clock | n/a | √ |
¹ The Connectivity and Scheduler sentries are switched off by default.
² Unless the global settings RefSitesOptions and RefSites are configured this sentry is disabled.
Sentry State Details
Connectivity Sentry
- Availability
- AIX, HPUX, Linux, SCO, Solaris, Tru64, Windows
States
| State | Severity | Condition | Escalation |
|---|---|---|---|
| PROBLEM | info | $response_time == -1 && $PrevState != "DOWN" | warning after 60s, DOWN after 90s |
| DOWN | severe | $response_time == -1 | |
| UP | normal |
InternetConnectivity Sentry
- Availability
- AIX, HPUX, Linux, SCO, Solaris, Tru64, Windows
States
| State | Severity | Condition | Escalation |
|---|---|---|---|
| TEST_BYPASS¹ | disabled | "$SETTING(RefSitesOptions)" == "Always Up" | |
| NO_IPS_DEFINED | alarm | $connect_status == "no IP addresses defined in settings" | |
| NO_HOSTNAMES_DEFINED | alarm | $response_status == "no hostnames defined in settings" | |
| NET_CONNECTIVITY_DOWN | info | $connectivity == 0 | alarm after 60s |
| NAME_RESOLUTION_DOWN | info | $response == 0 | alarm after 60s |
| UP | normal |
¹ Unless the global settings RefSitesOptions and RefSites are configured this sentry is disabled.
Scheduler Sentry
- Availability
- AIX, HPUX, Linux, SCO, Solaris, Tru64, Windows
States
| State | Severity | Condition | Escalation |
|---|---|---|---|
| IDLE | normal |