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[計算機軟件及應用]share point(文件)

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【正文】對于 Server，由 CPU0做硬件自檢。 2. Integrity Servers 在 /var/tombstones下的 MCA*和EFI下用 errdump命令讀取 ? LPMC LPMC: 由于 CPU內部校驗產生的信息，一般在syslog里 ,mstm看 cpu的信息和 logtools里可以看到。從 eventlog可以明顯看出 CPU0 power fault. ? HPMC HPMC：是不可恢復的的錯誤。 Trubleshooting (2 of 7) ? 3） BCH/EFI: 在 PA的機器上基本硬件自檢以后會進入BCH， IA會進入 EFI。 ? 2）硬件自檢：在 PA的機器上叫 PDC/IODC,IA的機器上叫 PAL/SAL，他們都是在系統 firmware層次完成對系統硬件自檢和初始化。 validate ? Easier to get skill set ? No Collision ? No Space Limitation ? Support Speedy Boot ? Provide Drivers to OS EFI Components Powerup sequencing (1 of 3) ? The Intel Itanium 2 systems powerup sequence: – Standby voltage is always on when the power cords are plugged in ? This standby power enables the MP and basic system monitoring – The system begins its main powerup sequence when the front power button is pressed or power on is requested through the MP PC mand – During powerup the system runs the SAL and PAL firmware to initialize the system and bring up EFI – Poweron Selftest (POST) messages displayed on the console show error messages for any ponents that fail during powerup Powerup sequencing (2 of 3) MP MP initialization System DC on System (PreSAL) initialization System Power (standby voltage on) (System power off) System Power (standby voltage on) (System power on) Powerup sequencing (3 of 3) EFI Operating system EFI BOOT Manager OS Initialization, Device driver load/initialization EFI Shell/POSSE SAL/PAL POST Login prompt HP9000 啟動過程 Troubleshooting Example event log ? SFW *5 0xC1449155E10200C0 FF3F4070000F0300 SYSTEM_FIRMWARE_ERROR ?

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