ZFS File System Version 2

ZFS File System Version 2

This page describes the features that are available with version 2 of the ZFS file system on-disk format (not the pool version).

• Enhanced directory entries. In particular, directory entries now store the object type. For example, file, directory, named pipe, and so on, in addition to the object number.
• Upgrading ZFS file systems to provide future ZFS file system enhancements to existing file systems.

These features are available in:

• OpenSolaris 2008.05, Nevada, build 69

These features were integrated with the following bug fixes:

• 6572637 store object type in directory entries
• PSARC/2007/328 zfs upgrade