DB2 Version 10.1 for Linux, UNIX, and Windows

Configuring communication adapter ports and switches (Linux)

The topics in this section detail how to configure communication adapter ports and switches on supported Linux operating systems. The configuration process is dependent on whether you have an InfiniBand network or 10 Gigabit Ethernet (10GE) network.

DB2® cluster services port usage information

DB2 cluster services includes technology from IBM® Tivoli® System Automation for Multiplatforms (Tivoli SA MP) software, IBM Reliable Scalable Clustering Technology (RSCT) software, and IBM General Parallel File System ( GPFS™) software.

For DB2 pureScale® Feature, these GPFS and RSCT ports must be kept open:
Table 1. GPFS port usage
Service name Port number Protocols
mmfsd (mmfsd64) 11912 TCP/IP
mmsdrserv 11912 TCP/IP
Note:
  1. For more details, see http://publib.boulder.ibm.com/infocenter/clresctr/vxrx/index.jsp?topic=/com.ibm.cluster.gpfs.v3r5.gpfs200.doc%2Fbl1adv_pmpctp.htm
  2. This port number can be customized. The default value is shown.
Table 2. RSCT port usage
Service name Port number Protocols
cthats 123473 UDP
cthags 123483 UDP
rmc 6574 UDP
rmc 6574 TCP
Note:
  1. RSCT includes Tivoli SA MP.
  2. For more details, see http://publib.boulder.ibm.com/infocenter/aix/v7r1/index.jsp?topic=/com.ibm.aix.rsct315.admin%2Fbl503_rsctpu.htm
  3. This port number can be customized. The default value is shown.
  4. This port number is not configurable.