On Tue, Feb 9, 2010 at 1:00 AM, Kevin Kempter <kevink@xxxxxxxxxxxxxxxxxxx> wrote: > I get the below error when trying to start an 8.4.2 instance > > Anyone know what might be causing this? > > FATAL: parameter "effective_io_concurrency" cannot be changed > What platform is this? Did you compile it yourself? What type of system was it compiled on? The error means that your system does not support the system interface we need to support prefetching. In that case effective_io_concurrency will be a read-only parameter set to 0 and any attempt to set it will result in an error. -- greg -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin