Hi, Saranya, Saranya Sivakumar wrote: > Thank you very much for the information. The SHMMAX was set to 33554432, > and that's why it failed to start the postmaster. Thanks for the link to > the kernel resources article. I guess changing these parameters would > require recompiling the kernel. As stated on the http://www.postgresql.org/docs/8.1/interactive/kernel-resources.html page, those values can be changed via sysctl or echoing values into /proc, under linux at least. HTH, Markus -- Markus Schaber | Logical Tracking&Tracing International AG Dipl. Inf. | Software Development GIS Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org