> To change partition types you need to re-format (resetting partitions > will lose data structure - reformat required). Troy, Whole my IDE drive is 20 GB FAT32 C: drive booting XP I have a lot of data in this drive so it is not possible to re-format. Also I do'nt want to create two logical disks in single drive. Is this prevents data corruption for Postgres, is there some utility which can convert C: drive to NTFS ? Can Partition Magic help ? Andrus ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match