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SPARC Enterprise T5440 Server Service Manual • July 2009
Reconfiguring I/O Device Nodes
You might need to change the connection between the CMP modules and the
onboard devices described in
TABLE: Devices controlled by CMPs in 2P systems on
or
TABLE: Devices controlled by CMPs in 4P systems on page 165
in one of
the following circumstances:
■
A CMP module has completely failed, you need access to a PCIe slot or device
which was attached to that CMP module, and you are unable to temporarily
replace the failed module or move an existing module over from a different slot
until the failed CMP is replaced.
■
You are upgrading from a 2P to a 4P system.
Related Information
■
■
“I/O Connections to CMP/Memory Modules” on page 156
■
“System Bus Topology” on page 162
■
“I/O Fabric in 2P Configuration” on page 164
■
“I/O Fabric in 4P Configuration” on page 165
■
“Temporarily Disable All Memory Modules” on page 160
■
“Reconfigure the I/O and PCIe Fabric” on page 158
■
“Re-Enable All Memory Modules” on page 161
■
“Reset the LDoms Guest Configuration” on page 162
▼
Reconfigure the I/O and PCIe Fabric
The
reconf.pl
script reconfigures the PCIe fabric to reconnect the PCIe slots and
onboard devices to the CMP nodes as efficiently as possible. The
reconf.pl
script
also reconfigures the Solaris device names to match the new connections between the
CMP modules and the PCIe devices and slots. Use the
reconf.pl
script to reattach
each PCIe slot and onboard device to its nearest available CMP module.
To use the
reconf.pl
, you must have the following:
■
Solaris OS JumpStart™ server
■
Net install image
■
The
reconf.pl
script
Do the following:
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