Veritas File System 5.1 SP1 Administrator"s Guide (5900-1499, April 2011)

Not SupportedVersion 3 disk layout encompasses all file system
structural information in files, rather than at fixed
locations on disk, allowing for greater scalability.
Version 3 supports files and file systems up to one
terabyte in size.
Version 3
DeprecatedVersion 4 disk layout encompasses all file system
structural information in files, rather than at fixed
locations on disk, allowing for greater scalability.
Version 4 supports files and file systems up to two
terabytes in size.
A disk layout Version 4 file system can still be mounted,
but this will be disallowed in future releases. Symantec
recommends that you upgrade from Version 4 to the
latest default disk layout version. You cannot create
new file systems with disk layout Version 4. The only
operation that you can perform on a file system with
disk layout Version 4 is to upgrade the disk layout to a
supported version. If you upgrade a file system from
disk layout Version 4 to a later version, once the upgrade
operation finishes, you must unmount the file system
cleanly, then re-mount the file system.
Version 4
DeprecatedVersion 5 enables the creation of file system sizes up
to 32 terabytes. File sizes can be a maximum of 4 billion
file system blocks. File systems larger than 2 TB must
be created on a Veritas Volume Manager volume.
Version 5 also enables setting up to 1024 access control
list (ACL) entries.
A disk layout Version 5 file system can still be mounted,
but this will be disallowed in future releases. Symantec
recommends that you upgrade from Version 5 to the
latest default disk layout version. You cannot create
new file systems with disk layout Version 5. The only
operation that you can perform on a file system with
disk layout Version 5 is to upgrade the disk layout to a
supported version. If you upgrade a file system from
disk layout Version 5 to a later version, once the upgrade
operation finishes, you must unmount the file system
cleanly, then re-mount the file system.
Version 5
SupportedVersion 6 disk layout enables features such as
multi-volume support, cross-platform data sharing,
named data streams, and File Change Log.
Version 6
Disk layout
About disk layouts
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