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

SupportedVersion 7 disk layout enables support for variable and
large size history log records, more than 2048 volumes,
large directory hash, and SmartTier.
Version 7
SupportedVersion 8 disk layout enables support for file-level
snapshots.
Version 8
Some of the disk layout versions were not supported on all UNIX operating systems.
Currently, the Version 4 and later disk layouts can be created, and the Version 5
and later disk layouts can be mounted. Version 7 is the default disk layout version.
The vxupgrade command is provided to upgrade an existing VxFS file system to
the Version 5 and later disk layout while the file system remains online. You must
upgrade in steps from older to newer layouts.
See the vxupgrade(1M) manual page.
The vxfsconvert command is provided to upgrade Version 2 and 3 disk layouts
to the Version 7 disk layout while the file system is not mounted.
See the vxfsconvert(1M) manual page.
Note: The HP-UX boot loader does not support disk layout Version 6 or later.
Supported disk layouts and operating systems
Table C-1 shows which disk layouts supported on the which operating systems.
Table C-1
File system type and operating system versions
VxFS 5.0.1
and 5.1
SP1,
HP-UX 11i
v3
VxFS 5.0,
HP-UX 11i
v3
VxFS 5.0,
HP-UX
11i v2 PI
VxFS 4.1,
HP-UX
11i v2 PI
VxFS
3.5.2,
HP-UX
11i v2 PI
VxFS 3.5,
HP-UX
11i v1
JFS 3.3,
HP-UX
11i v1
Disk Layout
NoNoNoNoNoNoNomkfs
Version 1
NoNoNoNoNoNoNo
Local
Mount
NoNoNoNoNoNoNo
Shared
Mount
233Disk layout
Supported disk layouts and operating systems