Install DIMMs
Error Correction and Parity Protection
Note - Information in this appendix does NOT apply to Oracle Database Appliance X3-
2, Oracle Database Appliance X4-2, Oracle Database Appliance X5-2 or Oracle Database
Appliance X6 series. Refer to the preceding chapters in this document for information on
servicing those systems.
The Oracle Database Appliance Version 1 server node's processor provides parity protection on
its internal cache memories, and error-correcting code (ECC) protection of the data. The server
node detects and posts the following errors to the Oracle ILOM event log:
■
Correctable and uncorrectable memory ECC errors
■
Uncorrectable CPU internal errors
Advanced ECC corrects up to 4 bits in error on nibble boundaries, as long as they are all in the
same DRAM. If a DRAM fails, the DIMM continues to function.
To clear a fault once the faulty DIMM has been replaced, type the following in the Oracle
ILOM CLI:
-> set clear_fault_action=true
For more information on clearing DIMM faults, see the Oracle Integrated Lights Out Manager
(Oracle ILOM) 3.0 Documentation Collection: http://www.oracle.com/goto/ILOM/docs.
Servicing PCIe Risers (CRU)
Note - Information in this appendix does NOT apply to Oracle Database Appliance X3-
2, Oracle Database Appliance X4-2, Oracle Database Appliance X5-2 or Oracle Database
Appliance X6 series. Refer to the preceding chapters in this document for information on
servicing those systems.
PCIe cards in Oracle Database Appliance Version 1 are installed on a vertical riser. You must
remove the riser to remove and replace a PCIe card. Also, you must remove the PCIe riser when
replacing the motherboard.
This section includes:
■
“Remove PCIe Riser From Server Nodes” on page 178
■
“Install PCIe Riser in Server Nodes” on page 179
Appendix A • Servicing the Oracle Database Appliance Version 1 177
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