Synopsis
After changing the name of the host on which DB2 9.7 is running, the following error message is received when trying to start the database:
09/28/2009 02:32:50 0 0 SQL6048N A communication error occurred during START or STOP DATABASE MANAGER processing.
SQL1032N No start database manager command was issued. SQLSTATE=57019
Solution
For each database instance on the machine where the name changed, and on each federated server instance, the file $INST_HOME/sqllib/db2nodes.cfg needs to be edited, and the old host name changed to the new name for each occurrence. The format of the node lines is:
0 host.domain.tld 0
