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CONTAP-169913: AFF A320 and AFF A800 systems report "ECC error at DIMM-<n>:" for uncorrectable ECC memory errors

  1. Last updated
    Apr 2, 2025
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Category:
ontap-9
Specialty:
core
Last Updated:
4/2/2025, 11:16:36 AM

Issue

ONTAP tracks correctable (CECC) and uncorrectable (UECC) memory errors on AFF
storage systems with error-correcting code (ECC) memory. An AFF A320 or AFF A800
system controller might experience a system disruption with an "ECC error at DIMM-n"
message, similar to the following example for DIMM-4:
PANIC: ECC error at DIMM-4: 2C-02-1905-208BAF22,ADDR 0x1f01384040,(Node(0),
Memory controller(0), CH(0), DIMM(0), Rank(0), Bank Group(3), Bank(0x0), Row(0xf80e),
Col(0x80), Uncorrectable Machine Check Error at CPU8. SKL_IMC0 Error: ...

 

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