Verify A Dimm - Oracle SPARC T8-4 Service Manual

Verify a DIMM

"Understanding DIMM Configurations" on page 69
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"Identifying DIMMs" on page 71
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"Remove a DIMM" on page 78
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"Verify a DIMM" on page 84
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"DIMM Configuration Errors" on page 72
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Verify a DIMM
1.
Use the show faulty command to determine how to clear the fault.
If show faulty indicates a POST-detected fault, go to
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If show faulty output displays a UUID, which indicates a host-detected fault, skip
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Link (Target ID: GOZPJ)
2.
Use the set command to enable the DIMM that was disabled by POST.
In most cases, replacement of a faulty DIMM is detected when the SPM is power cycled. In
those cases, the fault is automatically cleared from the server. If show faulty still displays the
fault, the set command clears it.
-> set /SYS/MB/CM0/CMP/MR0/BOB1/CH0/DIMM clear_fault_action=true
Are you sure you want to clear /SYS/MB/CM0/CMP/MR0/BOB1/CH0/DIMM (y/n)? y
Set 'clear_fault_action' to 'true'
For a host-detected fault, perform the following steps to verify the new DIMM.
3.
a.
Set the virtual keyswitch to diag so that POST runs in Service mode.
-> set /HOST keyswitch_state=Diag
Set 'keyswitch_state' to 'Diag'
b. Stop the host.
-> stop /System
Are you sure you want to stop /System (y/n)? y
Stopping /System
Check if the host has been powered off.
c.
Allow approximately one minute before performing this step. Type the show /HOST
command. When the host is powered off, the console displays status=Powered Off.
Start the host.
d.
84 SPARC T8-4 Server Service Manual • January 2022
and go directly to Broken Link (Target ID:
Broken Link (Target ID:
GOZQE).
GOZPJ).
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