Akash Garg <akash.garg@xxxxxxxxx> writes: > I used oid2name to find the index files: > 168807081 > 168807081.1 > 168807081.2 > 168807081.3 > 168807081.4 > Now how do I run the od command to find the block in question? Rather than doing the math by hand, let dd do it: dd bs=8k skip=41661 count=1 </path/to/indexfile | od -x This assumes your PG was built with the default 8k block size, but if it wasn't you'd presumably know that ... regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster