Table of Contents
A GT.M database can be stored on a raw device and in ordinary files on mounted file systems. Raw partitions offer improved performance because they bypass the overhead of the file system layer in the operating system. The raw partition database behaves like any other database, with the following restrictions:
The block size must be a multiple of the disk sector size, which is 1024 bytes on most systems.
![[Note]](images/note.jpg)
Be sure to check the correct value on your specific system before setting up GT.M databases on raw partitions in your environment.
A raw partition database uses the entire disk partition assigned.
A database on a raw partition cannot be extended. Increasing the size of a database on a raw partition requires extracting the data, creating a larger partition, and reloading the data.