HP-UX 11i June 2001 Release Notes

New and Changed Disk and File Management Features
New Version of Journaled File System (JFS) (new at 11i original release)
Chapter 9184
the OLTP, DSS, and technical computing markets. With appropriate
tuning, JFS 3.3 outperforms HFS in all categories.
JFS 3.3 includes a new command, vxtunefs, for tuning a VxFS file
system. See vxtunefs (1M) and tunefstab (4). Also see the "HP JFS 3.3
and HP OnLineJFS 3.3 VERITAS File System 3.3 System
Administrator's Guide" for information on tuning a JFS file system.
NOTE Thevolcopy(1M)andlabelit (1M)commandswillbeobsoletedinafuture
release. Customers should use vxdump and vxrestore for backup and
restore, or they can use an application-specific utility. You can use dd to
make a literal copy of the file system.