Michael Fuhr wrote: > One of the servers I use (RHEL AS 4; Linux 2.6.9-34.ELsmp x86_64) > appears to be in the same state after a reboot as the server in the > "Restart after poweroutage" thread from a few months ago: > > http://archives.postgresql.org/pgsql-general/2007-03/msg00738.php > > As in the thread, "ipcs -a" shows no postgres-owned shared memory > segments and strace shows shmctl() failing with EIDRM. > > http://archives.postgresql.org/pgsql-general/2007-03/msg00743.php Maybe what is happening is that an entirely unrelated process created a segment with that ID, attached to it, and then it was deleted. I don't know how to check however. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support