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MIC-6314 User Manual
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3.8
BIOS Failover/Redundancy
3.8.1
Overview
MIC-6314 supports BIOS redundancy via the BMC. Two BIOS SPI flashes are pro-
vided on the board. This BIOS redundancy mechanism is responsible for managing
flash failover in the event that the selected BIOS fails to boot.
This could happen if, for example, a BIOS update over HPM.1 was performed and
the new BIOS version does not boot. In such an event, the BMC will revert to the
BIOS version previously used.
3.8.2
BIOS Boot Watchdog
The BMC is equipped with an IPMI-compliant BMC Watchdog for monitoring the
BIOS boot progress. The BMC will initiate a BIOS SPI flash swap if the BMC Watch-
dog is triggered during BIOS execution (e.g., the selected BIOS is corrupt).
3.9
Supported Watchdogs
3.9.1
Firmware Watchdog
The Firmware Watchdog monitors BMC functionality. If the BMC hangs or stops exe-
cution, the watchdog will not be restarted. The watchdog “bites” after a timeout and
resets the BMC to recover the controller from the error state.
If the watchdog is triggered, the IPMB is isolated from the controller. The payload is
not affected and the FRUs operational state remains untouched.
3.9.2
BMC Watchdog
The BMC Watchdog is fully compliant with the IPMI v2.0 specification and supports
the following IPMI commands:
Reset Watchdog Timer (IPMI 2.0 specification 27.5)
Set Watchdog Timer (IPMI 2.0 specification 27.6)
Get Watchdog Timer (IPMI 2.0 specification 27.7)
To ensure high reliability of the MIC-6314 payload, the BMC Watchdog is enabled by
default for BIOS monitoring. Additional information is provided in Section 3.8 - BIOS
Failover/Redundancy.
Содержание MIC-6314 Series
Страница 1: ...User Manual MIC 6314 OpenVPX 6U CPU Blade with 4th 5th Gen Intel Xeon E3v4 Core Processor...
Страница 13: ...Chapter 1 1 Hardware Configuration This chapter explains how to configure the MIC 6314 hardware...
Страница 30: ...MIC 6314 User Manual 18...
Страница 31: ...Chapter 2 2 AMI APTIO BIOS Setup This chapter describes how to configure the AMI APTIO BIOS UEFI BIOS...
Страница 61: ...Chapter 3 3 BMC Firmware Operation This chapter describes the BMC firmware features...
Страница 86: ...MIC 6314 User Manual 74...
Страница 87: ...Chapter 4 4 HPM 1 Update This chapter explains how to update the software firmware components...
Страница 95: ...Appendix A A Pin Assignments This appendix describes the pin assignments...
Страница 106: ...MIC 6314 User Manual 94...
Страница 107: ...Appendix B B Programming the Watchdog Timer This appendix describes how to program the watchdog timer...
Страница 109: ...Appendix C C I O Controller List...
Страница 111: ...Appendix D D Glossary...
Страница 114: ...MIC 6314 User Manual 102...
Страница 115: ...Appendix E E BIOS Checkpoint...
Страница 122: ...MIC 6314 User Manual 110...
Страница 123: ...Appendix F F IPMI PICMG Command Subset Supported by BMC...
Страница 133: ...Appendix G G Drivers and Tools...
Страница 135: ...123 MIC 6314 User Manual Appendix G Drivers and Tools...