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Installation and Configuration 85
In this case, the primary node host name is sp21n01.
4. Log into the primary node by entering
telnet node_hostname, where
node_hostname is the host name of the primary node.
5. From the primary node, enter
pg /var/adm/SPlogs/css/out.top.
6. In the out.top file, look for the line(s) containing Dependent Node. In this
line you will find the term tb3, which is immediately followed by the value
for the switch_node_number. For switch_node_number 3, the following
line identifies the SP Switch jack E01-S17-BH-J25 (frame 1, Switch,
bulkhead, jack J25):
If you need help interpreting this identifying string, see
PSSP Maintenance
Information, Volume 2, Maintenance Analysis Procedures and Parts
Catalog
for an explanation of the naming standard for RS/6000 SP
components.
3.6 Multiple Frames for Multiple System Connections
SP Switch Router Adapter cards in an SP Switch Router can connect to
different switch boards in the same SP system. A configuration problem could
arise in which the SP Switch Router Adapter cards are assigned the same
node number if each card plugs into the same port position on each switch
board.
The use of frames removes the configuration problem. The following example
demonstrates the organization of three SP frames (1, 2, and 3) with switch
boards in each.
Figure 34 on page 86 shows how the frame numbering differentiates each SP
Switch Router connection:
• The SP Switch Router card connected to port J31 of SP Switch A1 is node
number 9.
# splstdata -s | grep -p primary
switch_part topology primary arp switch_node
number filename name enabled nos._used
-------------------------------------------------------------------------
1 expected.top.an sp21n07 yes no
#
s 16 1 tb3 3 0 E01-S17-BH-J25 to E01-N4 # Dependent Node