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パニック:DIMM-XXでECCエラーが発生しました。『Uncorrectable Machine Check Error Resolution guide』

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環境

  • ONTAP 9
  • Data ONTAP 8 7-Mode
  • AFF / FASプラットフォーム
  • 修正不可能なメモリエラー
    • UECC     修正不能エラー訂正コード

説明

この手順では、DIMMの修正不能なメモリエラーが原因でコントローラがパニック状態になってリブートした場合の正しい修正措置について説明します。

次に例を示します。

  • 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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