add node , oracle software a bit error

all,

when adding the 3rd node, i got this error, but the installation shown
me to run root.sh on ORACLE_HOME.

my question, what is this script do ?

Remote 'UpdateNodeList' failed on node: 'af-xxx2'. Refer to
'/apps/oracle/oraInventory/logs/addNodeActions2007-07-08_09-36-12PM.log'
for details.
You can manually re-run the following command on the failed nodes after the
installation:
/apps/oracle/product/10.2/oui/bin/runInstaller -updateNodeList
-noClusterEnabled ORACLE_HOME=/apps/oracle/product/10.2
CLUSTER_NODES=af-xxx1,af-xxx2,af-xxx6 CRS=false
"INVENTORY_LOCATION=/apps/oracle/oraInventory" LOCAL_NODE=<node
on which command is to be run>


--
regards
ujang
--
http://www.freelists.org/webpage/oracle-l


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