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MPCMM0001 Chassis Management Module Software Technical Product Specification 3
Contents
Contents
1 Introduction....................................................................................................................................16
1.1 Overview.............................................................................................................................16
1.2 Terms Used in this Document ............................................................................................16
2 Software Specifications .................................................................................................................18
2.1 Red Hat* Embedded Debug and Bootstrap (Redboot).......................................................18
2.2 Operating System ...............................................................................................................18
2.3 Command Line Interface (CLI) ...........................................................................................18
2.4 SNMP/UDP.........................................................................................................................18
2.5 Remote Procedural Call (RPC) Interface............................................................................19
2.6 RMCP .................................................................................................................................19
2.7 Ethernet Interfaces .............................................................................................................19
2.8 Sensor Event Logs (SEL) ...................................................................................................19
2.8.1 CMM SEL Architecture ..........................................................................................19
2.8.2 Retrieving a SEL....................................................................................................19
2.8.3 Clearing the SEL....................................................................................................20
2.8.4 Retrieving the Raw SEL.........................................................................................20
2.9 Blade OverTemp Shutdown Script .....................................................................................20
3 Redundancy, Synchronization, and Failover .................................................................................21
3.1 Overview.............................................................................................................................21
3.2 Synchronization ..................................................................................................................21
3.3 Heterogeneous Synchronization.........................................................................................23
3.3.1 SDR/SIF Synchronization ......................................................................................23
3.3.2 User Scripts Synchronization and Configuration ...................................................23
3.3.3 Synchronization Requirements..............................................................................24
3.4 Initial Data Synchronization ................................................................................................24
3.4.1 Initial Data Sync Failure.........................................................................................24
3.5 Datasync Status Sensor .....................................................................................................25
3.5.1 Sensor bitmap........................................................................................................25
3.5.2 Event IDs ...............................................................................................................25
3.5.3 Querying the Datasync Status ...............................................................................25
3.5.4 SEL Event..............................................................................................................27
3.5.5 SNMP Trap ............................................................................................................27
3.5.6 System Health .......................................................................................................28
3.6 CMM Failover .....................................................................................................................28
3.6.1 Scenarios That Prevent Failover ...........................................................................28
3.6.2 Scenarios That Failover to a Healthier Standby CMM...........................................28
3.6.3 Manual Failover .....................................................................................................29
3.6.4 Scenarios That Force a Failover............................................................................29
3.7 CMM Ready Event..............................................................................................................30
4 Built-In Self Test (BIST).................................................................................................................31
4.1 BIST Test Flow ...................................................................................................................31
4.2 Boot-BIST ...........................................................................................................................33
4.3 Early-BIST ..........................................................................................................................33
4.4 Mid-BIST.............................................................................................................................33