Hello! We're running the latest release of PostgreSQL 7.4.13 on a Debian Sarge machine. Postgres has been compiled by oureselves. We have a pretty big database running on this machine, it has about 6.4 GB approximately. One table contains about 55 million rows. Into this table we insert about 500000 rows each day. Our problem is that without any obvious reason the database gets corrupt. The messages we get are: invalid page header in block 437702 of relation "xxxx" We already have tried out some other versions of 7.4. On another machine running Debian Woody with PotgreSQL 7.4.10 we don't have any problems. Kernels are 2.4.33 on the Sarge machine, 2.4.28 on the Woody machine. Both are SMP kernels. Does anyone of you perhaps have some hints what's going wrong here? Best regards, Matthias