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VxFS disk layout Version 5 is similar to Version 4. Structural files in Version 5 are the same in Version 4. However, the Version 5 disk layout supports file systems up to 32 terabytes. For a file system to take advantage of VxFS 32-terabyte support, it must be created on a Veritas Volume Manager volume, and only on a 64-bit kernel operating system. The maximum file system size on a 32-bit kernel is still one terabyte. Files cannot exceed two terabytes in size. For 64-bit kernels, the maximum size of the file system you can create depends on the block size:
If you specify the file system size when creating a file system, the block size defaults to the appropriate value as shown above.
The Version 5 disk layout also supports group quotas. Quota limits cannot exceed one terabyte.
See About quota files on Veritas File System.
Some UNIX commands may not work correctly on file systems larger than one terabyte.
See Using UNIX Commands on File Systems Larger than One TB.