Configuring Administration Settings : Configuring System Settings : Configuring Alarm Parameters
  
Configuring Alarm Parameters
You can set alarms in the Alarms page.
Enabling alarms is optional.
RiOS 7.0 and later use hierarchical alarms. The system groups certain alarms into top-level categories, such as the SSL Settings alarm. When an alarm triggers, its parent expands to provide more information. As an example, the System Disk Full top-level parent alarm aggregates over multiple partitions. If a specific partition is full, the System Disk Full parent alarm triggers and the Alarm Status report displays more information regarding which partition caused the alarm to trigger.
Disabling a parent alarm disables its children. You can enable a parent alarm and disable any of its child alarms. You cannot enable a child alarm without first enabling its parent.
The children alarms of a disabled parent appear on the Alarm Status report with a suppressed status. Disabled children alarms of an enabled parent appear on the Alarm Status report with a disabled status. For details about alarm status, see Viewing SCC Alarm Status Reports.
When an alarm reaches its rising threshold, it is activated; it is reset when it reaches the lowest or reset threshold. After an alarm is triggered, it is not triggered again until it has fallen below the reset threshold.
To set alarm parameters
1. Choose Administration > System Settings: Alarms to display the Alarms page.
Figure: Setting Alarms
2. Under Enable SCC Alarms, complete the configuration as described in this table.
Control
Description
CPU Utilization
Enables an alarm if the average and peak threshold for the CPU utilization is exceeded. When an alarm reaches the rising threshold, it is activated; when it reaches the lowest or reset threshold, it is reset. After an alarm is triggered, it is not triggered again until it has fallen below the reset threshold.
By default, this alarm is enabled, with a rising threshold of 90 percent and a reset threshold of 80 percent.
•  Rising Threshold - Specify the rising threshold. When an alarm reaches the rising threshold, it is activated. The default value is 90 percent.
•  Reset Threshold - Specify the reset threshold. When an alarm reaches the lowest or reset threshold, it is reset. After an alarm is triggered, it is not triggered again until it has fallen below the reset threshold. The default value is 80 percent.
Disk Full
Enables an alarm if the system partitions (not the RiOS data store) are full or almost full. For example, RiOS monitors the available space on /var, that is used to hold logs, statistics, system dumps, TCP dumps, and so on.
By default, this alarm is enabled.
This alarm monitors these system partitions:
•  Partition "/boot Full" Free Space
•  Partition "/bootmgr Full" Free Space
•  Partition "/config Full" Free Space
•  Partition "/data Full" Free Space
•  Partition "/scratch Full" Free Space
•  Partition "/var Full" Free Space
Hardware
•  Fan Error - Enables an alarm and sends an email notification if a fan is failing or has failed and needs to be replaced. By default, this alarm is enabled.
•  Flash Error - Enables an alarm when the system detects an error with the flash drive hardware. By default, this alarm is enabled.
•  IPMI - Enables an alarm and sends an email notification if an Intelligent Platform Management Interface (IPMI) event is detected (not supported on all appliance models).
This alarm triggers when there has been a physical security intrusion. These events trigger this alarm:
•  Chassis intrusion (physical opening and closing of the appliance case)
•  Memory errors (correctable or uncorrectable ECC memory errors)
•  Hard drive faults or predictive failures
•  Power supply status or predictive failures
By default, this alarm is enabled.
•  Memory Error - Enables an alarm and sends an email notification if a memory error is detected: for example, when a system memory stick fails.
•  Power Supply - Enables an alarm and sends an email notification if an inserted power supply cord does not have power, as opposed to a power supply slot with no power supply cord inserted. By default, this alarm is enabled.
Licensing
Enables an alarm and sends an email notification if a license on the SCC is removed, is about to expire, has expired, or is invalid. This alarm triggers if the SCC has no MSPEC license installed for its currently configured model.
•  Autolicense critical event - This alarm triggers on an appliance when the Riverbed Licensing Portal cannot respond to a license request with valid licenses.
•  Autolicense information event - This alarm triggers if an information event for autolicense occurs, for example, when the portal returns licenses that are associated with a token that has been used on a different appliance.
•  Insufficient Appliance Management License(s) - This alarm triggers if the SCC has insufficient license(s).
•  Invalid License(s) - This alarm triggers if one or more licenses are invalid.
•  License(s) Expired - This alarm triggers if one or more features have at least one license installed, but all of them are expired.
•  License(s) Expiring - This alarm triggers if the license for one or more features is going to expire within two weeks.
•  License(s) Missing - This alarm triggers if one or more licenses are missing.
Note: The licenses expiring and licenses expired alarms are triggered per feature. For example, if you install two license keys for a feature, LK1-FOO-xxx (expired) and LK1-FOO-yyy (not expired), the alarms do not trigger, because the feature has one valid license.
By default, this alarm is enabled.
Link Duplex
Enables an alarm and sends an email notification when an interface was not configured for half-duplex negotiation but has negotiated half-duplex mode. Half-duplex significantly limits the optimization service results.
The alarm displays which interface is triggering the duplex alarm.
•  Interface aux Half-Duplex - Select to enable an alarm on this interface.
•  Interface primary Errors - Select to enable an alarm on this interface.
The alarm displays which interface is triggering the duplex alarm.
By default, this alarm is enabled.
Link I/O Errors
Enables an alarm and sends an email notification when the link error rate exceeds 0.1 percent while either sending or receiving packets. This threshold is based on the observation that even a small link error rate reduces TCP throughput significantly. A properly configured LAN connection experiences very few errors.
•  Interface aux Half-Duplex - Select to enable an alarm on this interface.
•  Interface primary Errors - Select to enable an alarm on this interface.
The alarm clears when the rate drops below 0.05 percent.
You can change the default alarm thresholds by entering the alarm link_errors threshold xxxxx CLI command at the system prompt. For details, see the Riverbed Command-Line Interface Reference Manual.
By default, this alarm is enabled.
Link State
Enables an alarm and sends an email notification if an Ethernet link is lost due to a network event. Depending on that link is down, the system can no longer be optimizing and a network outage could occur.
•  Interface aux Down- Select to enable an alarm on this interface.
•  Interface primary Down - Select to enable an alarm on this interface.
This alarm is often caused by surrounding devices, like routers or switches, interface transitioning. It also accompanies service or system restarts on the appliance.
For WAN/LAN interfaces, the alarm triggers if in-path support is enabled for that WAN/LAN pair.
By default, this alarm is disabled.
Memory Paging
Enables the memory paging alarm. If 100 pages are swapped every couple of hours, the system is functioning properly. If thousands of pages are swapped every few minutes, contact Riverbed Support at https://support.riverbed.com.
By default, this alarm is enabled.
Process Dump Creation Error
Enables an alarm that indicates that the system has detected an error while trying to create a process dump. To correct the issue, contact Riverbed Support at
https://support.riverbed.com.
SCC Configuration Backup
Enables an alarm when an SCC configuration backup occurs.
SCC External Configuration Backup/Restore
Enables an alarm when an SCC external configuration backup and restore failure occurs.
SCC External Statistics Backup/Restore
Enables an alarm when an SCC statistics backup and restore failure occurs.
Secure Vault
Enables an alarm and sends an email notification if the system encounters a problem with the secure vault:
•  Secure Vault Locked - Indicates that the secure vault is locked. To optimize SSL connections or to use RiOS data store encryption, the secure vault must be unlocked.
SSL
Enables an alarm if an error is detected in your SSL configuration.
By default, this alarm is enabled.
Temperature
Enables an alarm when the CPU temperature exceeds the rising threshold. When the CPU returns to the reset threshold, the rising alarm is cleared.
•  Critical Temperature - Enables an alarm and sends an email notification if the CPU temperature exceeds the rising threshold. When the CPU returns to the reset threshold, the critical alarm is cleared. The default value for the rising threshold temperature is 70º C; the default reset threshold temperature is 67º C.
•  Warning Temperature - Enables an alarm and sends an email notification if the CPU temperature approaches the rising threshold. When the CPU returns to the reset threshold, the warning alarm is cleared.
–  Rising Threshold - Specify the rising threshold (º C). When an alarm reaches the rising threshold, it is activated. The default value is 70º.
–  Reset Threshold - Specify the reset threshold (º C). When an alarm reaches the lowest or reset threshold, it is reset. After an alarm is triggered, it is not triggered again until it has fallen below the reset threshold. The default value is 67º.
3. Under SCC Managed Appliance Alarms, complete the configuration as described in this table.
Control
Description
Appliance too slow to respond
Enables an alarm when the appliance is too slow to respond.
By default, this alarm is enabled.
Configuration Change
Enables an alarm when a configuration change is detected.
By default, this alarm is enabled.
Duplex Interface
Enables an alarm when the appliance duplex interface is detected.
High Appliance Usage Warning
Enables an alarm when high appliance usage is detected.
•  Connection Limit Warning - Enables an alarm when a connection limit is detected.
By default, this alarm is enabled.
PFS and RSP enabled together
Enables an alarm when PFS and RSP are enabled together.
By default, this alarm is enabled.
Time drift
Enables an alarm when time drift is detected.
By default, this alarm is enabled.
Too Many Half Open/Closed Connections
Enables an alarm when too many half-opened or half-closed connections are active.
By default, this alarm is enabled.
Unmanaged Appliances
You can set these alarms for unmanaged appliances:
•  Add Unmanaged Peer Exceptions - Select to enable an alarm when the SCC detects unmanaged peers.
•  Ignore Peer - Select to enable an alarm when a peer is ignored.
•  Comment - Optionally, specify a comment.
Apply
Applies your settings to the running configuration.
4. Click Save to Disk to save your settings permanently.
To add an unmanaged peer exception
1. Under CMC Managed Appliance Alarms, click + Add Unmanaged Peer Exception to display the controls.
2. Complete the configuration as described in this table.
Control
Description
Ignore Peer
Specify the IP address to suppress the alarm of the peer that is unmanaged.
Comment
Type a description to help you identify the unmanaged peer.
Apply
Applies your settings to the running configuration.
3. Click Save to Disk to save your settings permanently.
Related Topics
•  Configuring Email Notification
•  Viewing SCC Alarm Status Reports