Data Domain: NVRAM Hardware Failure Alert | EVT‑NVRAM‑00201
Summary: This article describes the conditions that trigger the 'NVRAMHardwareFailure' alert on Data Domain systems and outlines the required resolution steps.
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Symptoms
A Critical alert is generated indicating an NVRAM hardware failure. When this alert is present:
- The NVRAM card is considered unusable or unreliable.
- The Data Domain file system cannot be accessed until the issue is corrected.
- System operation may be blocked or degraded.
Alert Details:
Alert ID: EVT‑NVRAM‑00201Severity: CriticalClass: hardwareFailureObject: Slot=%sMessage:
“A hardware fault was detected with an NVRAM card and it may need to be replaced.”
Cause
The NVRAMHardwareFailure alert is triggered when the system detects a hardware condition that renders the NVRAM card unusable. These conditions fall into two categories:
- Configuration issues detected during system boot
- Hardware component failures detected during boot or normal operation
If multiple failures are detected simultaneously, the alert reports:
"Multiple NVRAM hardware failures."
Examples of conditions that may trigger this alert include (but are not limited to):
- NVRAM card not detected
- Unsupported or mixed NVRAM card types
- Incorrect number of NVRAM cards for the platform
- NVRAM card and DDR model mismatch
- Inability to retrieve NVRAM card or battery information
- Excessive correctable or uncorrectable NVRAM memory errors
- NVRAM device operating in read‑only mode
- Incorrect NVRAM memory size, PCIe link speed, or link width
- Critical voltage rail conditions affecting NVRAM components
Specific failure details are provided in the alert field:
Info: Cause=%s
Resolution
- Run offline diagnostics to confirm the NVRAM failure.
- Correct any placement or configuration issues if applicable.
- Replace the NVRAM card if diagnostics confirm a hardware failure.
If assistance is required, contact your contracted support provider - Dell Tech Support
Affected Products
Data DomainProducts
Data DomainArticle Properties
Article Number: 000011063
Article Type: Solution
Last Modified: 30 Mar 2026
Version: 6
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