3.4. File systems requirements

ShaoLin HA Cluster work independent of file system types. However, to ensure filesystem consistency after crashes and quick recovery during failover, it is strongly suggested to use journaling filesystem types. Built-in support of Linux journaling filesystems include ext3, reiserfs and JFS . Some Linux distributions also has support for SGI xfs, which is a more advanced journaling filesystem. Using journaling filesystems can speed up filesystem recovery time by more than 1000% or more, depends on the size of your filesystems. It is strongly recommended to use journaling filesystems in a cluster environment. Please refer to the reference documents of your Linux distribution about the supported filesystem by the your Linux kernel. You may also want to see Section 9.1.1.