"Ed L." <pgsql@xxxxxxxxxxxxx> writes: > I'm seeing the following error in 7.4.6. It first surfaced > after remounting a SAN mount from one box to another and > then running 'vacuum full': > pg_dump: ERROR: xlog flush request 68/7D853080 is not satisfied --- flushed only to 0/15A90A8 > CONTEXT: writing block 34 of relation 17156/1470533 What this looks like to me is corrupt data in a page's LSN field (the first 8 bytes of the page). The LSN is evidently far larger than it should be. You might try dumping out the indicated page with pg_filedump (or even just dd/od) to see if anything obvious jumps out. regards, tom lane
