DNH0101 through DNH0550

Message type

This error message grouping covers hardware errors associated with the NVRAM in the filer. The corrective action for this error message grouping is below the error message description.

Error message description

The following messages can be generated for this message group.

Error code	Sample message	Description
DNH0101	No NVRAM card found	No NVRAM found in the system.
DNH0102	NVRAM3 card not initialized by firmware	Configuration data for the card is not as expected by the test.
DNH0103	No NVRAM in slot dec_value	NVRAM card was not found in the correct slot.
DNH0104	Data mismatch at hex_value on slot dec_value, dec_value bytes from cardbase at hex_value pass dec_value read hex_value, expected hex_value	A read/write error occurred.
DNH0110	No NVRAM memory found	No memory was found on the NVRAM card.
DNH0145	Majority vote for address not reached (hex_value, hex_value, hex_value)	Indicates that the address of the location being written to when power was lost could not be obtained.
DNH0106-DNH0109 DNH0112-DNH0143 DNH0301-DNH0302 DNH0311-DNH0312	Addr=hex_value Exp=hex_value, Act=hex_value, Diff=hex_value	A read/write error was encountered.
DNH0321	Soft error register value is not correct: Exp=dec_value, Act=dec_value	Test forced an ECC error. Status register is not correct.
DNH0322	Soft error count not generated	The status register did not count the errors.
DNH0323-DNH0324	No ACK received	I2C write failed.
DNH0325	EEPROM byte=dec_value, val=hex_value, exp=hex_value	An EEPROM read/write error occurred.
DNH0326	Soft error register value shows error = hex_value	Status register shows an unexpected error.
DNH0327	Cannot clear soft error register = hex_value	Test could not clear the status register bit.
DNH0328	Hard error register value shows error = hex_value	Status register shows an unexpected error.
DNH0329	Cannot clear hard error register = hex_value	Test could not clear the status register bit.
DNH0330	NVRAM battery needs to be charged	NVRAM battery voltage is low and needs charging or replacing.
DNH0331	NVRAM battery voltage too high	NVRAM adapter is bad, incorrect voltage read.
DNH0332	NVRAM battery in the chassis is missing or dead	NVRAM battery is missing or discharged.
DNH0333	Low NVRAM battery charger voltage	Battery charger is broken on the NVRAM III adapter.
DNH0334	NVRAM battery is connected	Bad NVRAM III card (manufacturing-only diagnostic).
DNH0335	Low NVRAM battery charger voltage (dec_value mVolts)	NVRAM III card is not functioning because the charger is not working.
DNH0402	Command status reads as busy	Previous command was not completed.
DNH0416	Expected interrupt hex_value did not occur	Missing interrupt.
DNH0417	Unexpected interrupt hex_value	Unexpected interrupt occurred.
DNH0423	Clear command did not clear memory	Memory was supposed to be cleared, but was not.
DNH0424	Incorrect number of unlogged ECC corrections dec_value	Log data shows memory errors, or expected errors not logged.
DNH0425	ECC log 0 incorrect mask=hex_value, addr=hex_value
DNH0426	ECC log 1 incorrect mask=hex_value, addr=hex_value
DNH0435	Unable to read the flash ID	Flash that stores NVRAM microcode is not responding properly.
DNH0436	Flash write error address = hex_value	A sector of flash memory that stores NVRAM microcode could not be written to.
DNH0440	Invalid nvram serial number dec_value	Test encountered an invalid serial number for the filer type or NetCache appliance.
DNH0441	Invalid nvram revision number hex_value	The test encountered an invalid revision number for the filer type or NetCache appliance.
DNH0442	Board part number (hex_value) does not match DIMM size	The test encountered an invalid memory size for the filer type or NetCache appliance.
DNH0443	ECC PCI correction	Memory errors read from the NVRAM card have not been corrected.
DNH0444	ECC silent correction Loc=hex_value, Exp=hex_value, Act=hex_value	Single-bit ECC error not corrected.
DNH0445	Wrong size DIMM (dec_value MB) for this platform	NVRAM installed with wrong memory size.
DNH0446	A front panel is hex_value detected on this system	Unable to communicate with the NVRAM flash.
DNH0447	Unrecognized part number (string-value)	NVRAM programmed with a bad part number, or unable to read part number.
DNH0448	ECC unlogged correction Adr=hex_value, Exp=hex_value, Act=hex_value	Unlogged ECC correction is incorrect.
DNH0449	ECC odd cacheline correction Addr=hex_value, Exp=hex_value, Act=hex_value	Odd ECC cacheline correction is incorrect.
DNH0450	Battery is dead dec_value and charger is not charging dec_value	NVRAM 4 battery is dead, and the charger is turned off.
DNH0451	Battery is low dec_value and charger is not charging dec_value	NVRAM 4 battery is dead, and the charger is turned off.
DNH0452	Battery is good dec_value and charger is off dec_value	NVRAM 4 battery requires charging, but charger is not on.
DNH0453	Battery is over full dec_value and charger is active dec_value	NVRAM 4 charger is stuck on, causing the battery to overcharge.
DNH0461	DMA failed: Engine=dec_value, Ctrl=hex_value Addr=hex_value, Exp=hex_value, Act=hex_value, Diff=hex_value	DMA memory transfer shows unexpected data
DNH0462	DMA ECC: Engine=dec_value, Exp=hex_value, hex_value, hex_value, hex_value Act=hex_value, hex_value, hex_value, hex_value
DNH0463	DMA time out: Engine=dec_value, Desc Exp=hex_value, Desc Act=hex_value
DNH0471	Vendor ID incorrect - Expected hex_value, Actual hex_value	This card has a different vendor than what testing reads.
DNH0472	Device ID incorrect - Expected hex_value, Actual hex_value	This card is of a different type than what testing reads.
DNH0473	Class incorrect - Expected hex_value, Actual hex_value	This card is of a different class than what testing reads.
DNH0474	Completion buffer timeout	Command issued to NVRAM, but NVRAM did not reply.
DNH0490	NVRAM front panel EEPROM wrote hex_value, read hex_value	EEPROM read and/or write failed.
DNH0550	Timeout waiting for ECC correction	ECC errors not corrected or not recorded in logs.

Corrective action

The following table lists the error message groupings and corrective action that can be taken for the error message group.

Error message group	Corrective action
DNH0101-DNH0330 DNH0471-DNH0473	Replace the NVRAM adapter. Call Network Appliance Technical Support if the error is not corrected.
DNH0331-DNH0332 DNH0430, DNH0432	Replace the NVRAM battery.
DNH0333, DNH0335 DNH0402-DNH0426 DNH0435-DNH0436 DNH0442 DNH0445-DNH0446 DNH0473, DNH0550	Replace the NVRAM adapter.
DNH0334	Need to disconnect the battery to test the charger.
DNH0440-DNH0441 DNH0447	Replace the storage appliance head.
DNH0443 DNH0461-DNH0463	Replace the NVRAM adapter Replace the storage appliance head
DNH0450-DNH0453	Replace the NVRAM battery Replace the NVRAM adapter
DNH0490	Replace the NVRAM adapter and the attached front panel.