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Legal Information
Copyright
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Contact Information
Preface
Safety Information
Overview of the Diagnostics Guide
About diagnostics
Optional materials
Booting the diagnostics program
Booting from FLASH
Booting from CompactFlash
Booting from a diskette
Running Diagnostics
Diagnostic Monitor user interface
Diagnostics menu options
Commands menu options
Options menu options
Running diagnostic tests
Running all diagnostic tests
Running individual diagnostic tests
Test results
Diagnostics Menus
Motherboard diagnostics
C1200 motherboard tests
C2100 motherboard tests
F85 motherboard tests
F87 motherboard tests
F800 series/C3100/C6100/R100 motherboard tests
FAS900 series/R150 motherboard tests
Main memory diagnostics
Card diagnostics
ATM diagnostics
DAFS diagnostics
Cluster interconnect diagnostics
Ethernet diagnostics
FC-AL diagnostics
FDDI diagnostics
Gigabit diagnostics
NVRAM diagnostics
RMC diagnostics
SCSI diagnostics
Floppy drive diagnostics
CompactFlash card diagnostics
Stress diagnostics
Error Messages
Error message coding conventions
DAH0001 through DAH0387
DAS0014 through DAS0015
DAU0004
DBH0301 through DBH0501
DBS0307
DEH0001 through DEH0216
DES0007 through DES0022
DFH0001 through DFH0032
DGH0001 through DGH0285
DGS0006
DHH0001
DLH0001 through DLH0100
DMH0001 through DMH0352
DMS0060 through DMS0061
DNH0101 through DNH0550
DNU0002 through DNU0106
DOH0001 through DOH0012
DPH0001 through DPH0029
DRH0001 through DRH0012
DRS0010
DRU0009
DSH0001 through DSH1015
DTH0001 through DTH0053
DTS0002, DTS0003, and DTS0010
DUH0002 through DUH0224
DUS0001
DZH0101 through DZH2002
DZS0430
Environmental Error Messages
C1200 environmental error codes
C2100 environmental error codes
F85 environmental error codes
F87 environmental error codes
F810 environmental error codes
F820/C3100 environmental error codes
F825 environmental error codes
F840/C6100 environmental error codes
F880 environmental error codes
FAS940 environmental error codes
FAS960 environmental error codes
R100 environmental error codes
R150 environmental error codes

DMH0001 through DMH0352

Message type

This error message grouping covers hardware errors associated with the storage appliance onboard memory.

When the memory diagnostics encounter errors, or if recoverable ECC errors occur, the diagnostics attempt to analyze the error and identify the failing DIMMs.

Bank part numbers are silk-screened on the motherboard, adjacent to the SIMM sockets. 

Example

When an error is encountered, the diagnostics display an error message similar to the following:

ERROR: Addr=04b1329e: Exp=55aa55aa, Act=55af55aa, Diff=00050000
** DIMM banks indicating errors: U101
** Cache SRAMs indicating errors: E44

Error message description

The following messages can be generated for this message group.

Error code

Sample message Description

DMH0001-DMH0059

Addr=hex_value: Exp=hex_value, Act=hex_value, Diff=hex_value

** SIMM banks indicating errors: hex_value

Data might be corrupted and a specific DIMM is bad. Read/write error.

DMH0101-DMH0106 DMH0301-DMH0352

Addr=hex_value Exp=hex_value, Act=hex_value, Diff=hex_value

An error in cache memory is found and identified. Cache errors require replacement of the motherboard.

Corrective action for DMH0001 through DMH0352

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

DMH0001-DMH0059

Replace the DIMM/SIMM for DIMM/SIMM errors. Call Network Appliance Technical Support for cache errors.

DMH0101-DMH0352

  1. Replace the motherboard
  2. Call Network Appliance Technical Support if the error is not corrected.