Unix tip: Finding a fault when your server's shut down
One of the most useful commands to run when you suspect a failing component on your Sun server is showboards. Showboards will display the status of all boards in your system. With the -ev arguments, the command will provide more complete information and also tell you about empty slots. The showboards -ev command will start with a display like that shown below. In this case, you can see that the PCI I/O Board has failed (look at the next to last line in the output below).
lom>showboards -ev Slot Pwr Component Type State Status ---- --- -------------- ----- ------ SSC1 On System Controller Main Passed /N0/SCC - System Config Card Assigned OK /N0/BP - Baseplane Assigned Passed /N0/SIB - Indicator Board Assigned Passed /N0/SPDB - System Power Distribution Bd. Assigned Passed /N0/PS0 On D142 Power Supply - OK /N0/PS1 On D142 Power Supply - OK /N0/PS2 On D142 Power Supply - OK /N0/PS3 On D142 Power Supply - OK /N0/FT0 On Fan Tray Auto Speed Passed /N0/RP0 On Repeater Board Assigned OK /N0/RP2 On Repeater Board Assigned OK /N0/SB0 On CPU Board Assigned Passed /N0/SB2 On CPU Board Assigned Passed /N0/SB4 On CPU Board Assigned Passed /N0/IB6 On PCI I/O Board Active Failed /N0/MB - Media Bay Assigned Passed
This display will be followed by a series of additional tables. For example, the memory in the system might be display in a series of lines like those below that describe its configuration:
Component J-No. Size Reason --------- ----- ---- ------ /N0/SB0/P0/B0/D0 J13300 512 MB /N0/SB0/P0/B0/D1 J13400 512 MB /N0/SB0/P0/B0/D2 J13500 512 MB /N0/SB0/P0/B0/D3 J13600 512 MB /N0/SB0/P0/B1 - - DRAM DIMM Group 1 Empty ...
Additional components will be listed as well. In these top few lines of the following table, we see another reference to the failed I/O board:
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Either way you look at it Microsoft Data Center management did not follow standards or best practices in this failure. In which case it makes me wonder more about the outsourcing of corporate data much less personal data.
- mburton325
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