Correctable memory error FAQ

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.

 

• 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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