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Correctable memory error FAQ

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ontap-9
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Applies to

  • AFF
  • FAS
  • ASA

Answer

  • Does the DIMM need to be replaced?
    • Yes, if ONTAP (using Dynamic memory algorithm) sends a notification for an excessive correctable memory issue the memory should be replaced as soon as possible.

 

  • Is the replacement disruptive?
    • No, the memory is replaced performing takeover and giveback.

 

  • How urgent is the replacement
    • NetApp recommends replacing the DIMM at the earliest scheduled opportunity.

 

 

  • What is the procedure to replace the DIMM
    • The guides for your platform can be found here. Select your platform from then DIMM from the Maintain section.
Platform Replacement Procedure
AFF C190 Replace a DIMM
AFF A200 / FAS2600

Replace a DIMM - AFF A200

Replace a DIMM - FAS2600

AFF A220 / FAS2700 Replace a DIMM - AFF A220 and FAS2700
A250 / FAS500f

Replace a DIMM - AFF A250

Replace a DIMM - FAS500f

AFF A300 / FAS8200

Replace a DIMM - AFF A300

Replace a DIMM - FAS8200

AFF A320

Replace a DIMM

Replace an NVDIMM

AFF A400 / FAS8300 / FAS8700

Replace a DIMM - AFF A400

Replace an NVDIMM - AFF A400

Replace a DIMM - FAS8300 and FAS8700

Replace an NVDIMM - FAS8300 and FAS8700

AFF A700 / FAS9000

Replace a DIMM - AFF A700 and FAS9000

Replace the NVRAM module and/or NVRAM DIMMs - AFF A700 and FAS9000

AFF A800

Replace a DIMM - AFF A800

Replace an NVDIMM - AFF A800

AFF/FAS 80xx series

Replacing a DIMM - 80xx

Replacing the NVRAM battery and/or DIMM - 80xx

  • How long will the replacement take?
    • Depending on platform the replacement might take up to 2 hours excluding prior preparations.

 

  • What steps should be done on the system in advance of the replacement?
    • A takeover of the node where the memory needs to be replaced can be performed.
    • For a 2-node MetroCluster, a switchover will be required.

 

  • Which DIMM needs to be replaced?
    • The defective DIMM is called out in the case symptom
    • It can be verified using the memory dimm show command

 

  • What is the impact of leaving the identified DIMM in the system
    • The DIMM is degraded and might result in an unexpected disruption of the node.

Additional Information

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