VxFS disk layout Version 7 is similar to Version 6. The Version 7 disk layout can theoretically support files and file systems up to 8 exabytes (263). For a file system to take advantage of VxFS 8-exabyte support, it must be created on a Veritas Volume Manager volume. For 64-bit kernels, the maximum size of the file system you can create depends on the block size:
The Version 7 disk layout supports group quotas.
See About quota files on Veritas File System.