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panic:在DIMM-XX处出现ECC错误、《不可更正的计算机检查错误解决指南》

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fas-systems
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适用场景

  • ONTAP 9
  • Data ONTAP 8 7-模式
  • AFF / FAS平台
  • 不可更正的内存错误
    • UECC     不可更正的错误更正代码

问题描述

本操作步骤可指导您在控制器因DIMM上发生不可更正的内存错误而发生崩溃和重新启动时采取正确的修复操作。

示例:

  • PANIC: ECC error at DIMM-18: 2C-0F-2007-2664E6BE,ADDR 0x180a048b40,(Node(1), Memory controller(1), CH(3), DIMM(0), Rank(0), Bank Group(1), Bank(0x0), Row(0xb8b1), Col(0x2f8), Uncorrectable Machine Check Error at CPU21.

  • NVRAM in slot 6: uncorrectable memory error at address 0x99f60628 DIMM(1), Rank(0), Bank Group(0), Bank(0x0), Row(0x99f6), Col(0x1d) in process idle

  • PANIC: Uncorrectable Machine Check Error at CPU14. ECC error at DIMM-13: CE-01-1941-03A203B8,ADDR 0x15f09e1f40,(Node(1), Memory controller(0), CH(1), DIMM(0), Rank(0), Bank Group(3), Bank(0x0), Row(0x15e0f), Col(0x70)) SKL_IMC0 Error: STATUS<0xfe0000c001010091>(VALID,OVERFLOW,UC,EN,MISCV,ADDRV,PCC,CORR_ERR_STATUS(0),CORR_ERR_CNT(0x3),OTHER_INFO(0),MscodDdrType(0x1),MscodDataRdErr,MCACOD(0x91))MISC<0x200400c00fc02086>(DataErrorChunk(0x2),McCmdChnl(0x1),McCmdMemRegion(0),McCmdOpcode(0),McCmdVld,SmiAD,SmiMsgClass(0),SmiOpcode(0),TrkId(0x7e),Error_Type(0x4),ADDRMODE(0x2),ADDRLSB(0x6))ADDR<0x00000015f09e1f40>(HIPHYADDR(0x15),LOPHYADDR(0x3c2787d))(Node(1), Memory controller(0), CH(1), DIMM(0), Rank(0), Bank Group(3), Bank(0x0), Row(0x15e0f), Col(0x70)

  • cf_hwassist: cf.hwassist.takeoverTrapRecv:debug]: hw_assist: Received takeover hw_assist alert from partner(node02), system_down because dimm_uecc_error.

 

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