VxFS Version 7 disk layout

VxFS disk layout Version 7 is similar to Version 6, except that Version 7 enables support for variable and large size history log records, more than 2048 volumes, large directory hash, and SmartTier. The Version 7 disk layout can theoretically support files and file systems up to 8 exabytes (263). The maximum file system size that can be created is currently restricted to 235 blocks. For a file system to take advantage of greater than 1 terabyte 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:

VxFS disk layout Version 7 is similar to Version 6, except that Version 7 enables support for variable and large size history log records, more than 2048 volumes, large directory hash, and SmartTier. The Version 7 disk layout can theoretically support files and file systems up to 8 exabytes (263). The maximum file system size that can be created is currently restricted to 235 blocks. For a file system to take advantage of greater than 1 terabyte 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:

Block Size

Currently-Supported Theoretical Maximum File System Size

1024 bytes

68,719,472,624 sectors (≈32 TB)

2048 bytes

137,438,945,248 sectors (≈64 TB)

4096 bytes

274,877,890,496 sectors (≈128 TB)

8192 bytes

549,755,780,992 sectors (≈256 TB)

The Version 7 disk layout supports group quotas.

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.