Data Domain: DD6400 - Reboot loop at "NVRAM driver load and initialization"
Summary: PowerProtect DD6400 systems have reported being stuck in a reboot loop. The NVRAM driver fails to load or initialize successfully resulting in a system reboot.
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Not all product versions are identified in this article.
Instructions
Affected Systems:
Cause:
Required Action:
- PowerProtect DD6400
- All DDOS versions
- Unable to boot DD6400 into DDOS
- Serial output (Virtual Console - iDRAC) shows Boot process restarts after "NVRAM driver load and initialization"
Cause:
- The DIMM located on the NVRAM card is not seated or installed correctly.
OR
- The NVRAM card is not installed correctly or is faulty.
Required Action:
With the system powered off:
- Check and reseat the DIMM on the NVRAM card.
- Here is a figure showing the NVRAM DIMM not clipped in correctly
- Ensure the NVRAM card or PCI riser are seated securely.
- Power up and retry booting the system.
- If symptoms persist, replace the NVRAM (Part Number: DGK85).
Affected Products
Data Domain, DD6400 ApplianceProducts
Data Domain, Data Domain Deduplication Storage SystemsArticle Properties
Article Number: 000208323
Article Type: How To
Last Modified: 26 Jul 2023
Version: 4
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