NvramBadBlocksAlert

Applies to

• * NetApp AFF-A700
• * All Flash FAS (AFF) systems

Issue

The ONTAP system health monitor reported a major alert for bad block errors on
the NVRAM module:



SYSTEM-HEALTH-ALERT:_x000D_
Node: node_01_x000D_
Monitor: controller_x000D_
AlertID: NvramBadBlocksAlert_x000D_
AlertingResource: 031750003523_x000D_
IndicationTime: Tue Dec 02 08:57:32 2025_x000D_
PerceivedSeverity: Major_x000D_
ProbableCause: hardware_degrading_x000D_
Description: The number of bad block errors on NVRAM module "NVRAM10" is above the warning threshold of "243"._x000D_
_x000D_
SYSCONFIG-A:_x000D_
slot 6: NVRAM (NVRAM10)_x000D_
Revision: B0_x000D_
SerialNumber: 031750003523_x000D_
BadBlocks: 256_x000D_
_x000D_
EMS LOG:_x000D_
Sat Nov 29 11:58:28+0100 [node_01:mgwd:callhome.hm.alert.major:alert]: Callhome for HealthMonitor process nphm:NvramBadBlocksAlert [031750003523].
_x000D_
SP-LATEST-CONSOLE-LOGS:_x000D_
Sat Nov 22 09:25:16 GMT [nvram.hw.initFail:CRITICAL]: NVRAM hardware initialization failed: Destage was triggered but no destage log._x000D_