Note that IBM does not officially support this distribution for DB2 9. Any problems you encounter using this distribution must be replicated on a supported distribution before IBM Support can help you resolve the issue.
These installation notes are based on a single-partition 32-bit installation using the 2.6.21-1.3228.fc7 kernel.
The only installation error encountered was found when launching the ./db2setup command. The screen displayed this error:
ERROR: The following library files could not be loaded by db2langdir in /tmp/exp/disk1/db2/linux/install/../bin libstdc++.so.5 libstdc++.so.5 Check the following web site for the up-to-date system requirements of IBM DB2 Version 9.1: http://www.ibm.com/software/data/db2/udb/sysreqs.html Aborting the current installation ...
yum -y install compat-libstdc++-33
Basic test results (see Section 21 for more details) were successful.
However, I found that after a reboot, the DB2 instance was not being restarted automatically, so clients could not connect to the database. To correct this problem, execute this command as the instance owner:
Also, to allow DB2 access through the iptables-based firewall (which is enabled by default), it was necessary to modify the iptables firewall ruleset, which is kept in the /etc/sysconfig/iptables file. If you have enabled your firewall (using the iptables service), and you want to enable external connectivity to your DB2 server, you must open up TCP and UDP access to ports 523 and TCP access to any DB2 service ports. To make this work, add these rules to the iptablesfile (anywhere amongst the -j ACCEPT rules):
-A RH-Firewall-1-INPUT -p udp -m udp --dport 523 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 523 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 50000 -j ACCEPT
You can use db2 get dbm cfg | grep SVCENAME to retrieve the service names and then check the /etc/services for the equivalent port values to open on your firewall.