Dell Force10 E600i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 378
Support for RPM redundancy by FTOS version
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www.dell.com | support.dell.com Table 21-2. Failover Behaviors Platform e Failover Trigger RP task or kernel crash on the primary RPM e RP IPC timeout for a non-task crash reason on the primary RPM c e Hardware error detected on the primary RPM c e Forced failover via the CLI c e Primary RPM is removed Failover Behavior CP on the primary RPM detects the RP IPC timeout and notifies the standby RPM. The standby RPM initiates a failover. FTOS saves an RP application or kernel core dump, the CP trace log, and the CP IPC-related system status. Then the new primary RPM reboots the failed RPM. CP on primary RPM detects the RP IPC timeout and notifies standby RPM. Standby RPM initiates a failover. FTOS saves an RP application core dump, RP IPC-related system status, a CP trace log record, and the CP IPC-related system status. Then the new primary RPM reboots the failed RPM. FTOS detects the hardware error on the primary RPM and notifies the standby RPM. The standby RPM initiates a failover. FTOS saves a CP trace log, and a CP hardware nvtrace log. Then the new primary RPM reboots the failed RPM. CP on primary RPM notifies standby RPM and the standby RPM initiates a failover. FTOS collects no system information. The former primary RPM immediately reboots after failover. The standby RPM detects the removal and initiates a failover. FTOS collects no system information. After a failover, the new primary RPM prompts you for a username and password if authentication methods was configured and that data was synchronized. The standby RPM does not use authentication methods involving client/server protocols, such as RADIUS and TACACS+. FTOS logs information about IPC timeouts in a log file that you can access. Refer to: • C-Series Debugging and Diagnostics • E-Series TeraScale Debugging and Diagnostics Support for RPM redundancy by FTOS version FTOS supports increasing levels of RPM redundancy (warm and hot) as described in Table 21-3, "Support for RPM Redundancy by FTOS Version," in High Availability. Table 21-3. Support for RPM Redundancy by FTOS Version Failover Type Warm Failover Failover Behavior The new primary RPM remains online, while the failed RPM, all line cards, and all SFMs reboot. Platform c e 378 | High Availability
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