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E-Series EF system rebooting due to cache block size

Last Updated:

Applies to

  • NetApp EF-Series
  • NetApp SANtricity OS 11.70.3 and before


EF-Series controller(s) reboot randomly and may cause volume failures.

  1. Download a Support bundle
  2. Open the stateCaptureData file
  3. Verify if below error is displayed:


Log Entry #44 (Core 0) Sep-16-2022 09:25:06 AM ----

PCI SERR Exception
SERR Summary: 0x00000020
SERR Return Status: 0x00000000
SERR Collection Count: 0x2
   PCI-E Root to PLX9797-1  (Unit 1)
    VID 0x8086 DID 0x2030 B100:D0:F0
    Bridge Secondary PCI Status = 0x2000
    PCI-E XP Uncorrectable Status = 0x00000040
    SERR Summary Flags = 0x80000021
   PLX9797-1 Port 0 to Drive11  (Unit 15)
    VID 0x10b5 DID 0x9797 B102:D11:F0
    PCI-E Device Status = 0x000D
    PCI-E AER Uncorrectable Status = 0x00100000
      Header Log 0 = 0x05008001
      Header Log 1 = 0x64000003
      Header Log 2 = 0x71000000
      Header Log 3 = 0xf5b8304c
    PCI-E AER Correctable Status = 0x00008000
    PCIe Link down.
    SERR Summary Flags = 0x80000063
NOTE: Recovered from NVME Link-Down Errors


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