HP-UX 11i v3 March 2012 Release Notes

kctune now allows some tunable values to be specified in terms of the percentage of some
system resource; changes have been made to the kernel configuration commands to improve
resiliency and performance; tunable parameter values may now be overridden on the boot
loader command line; and several other changes, including some obsolescences.
• iostat Command: Enhanced to report activity for each active lunpath to the LUNs. Also,
the new option -L has been added, which lists active lunpath statistics.
• Long hostname, uname, and setuname: The limits of these commands can now be expanded
to 255 bytes.
• New: Long Username Support by HFS ff, VxFS 4.1 ff, repquota, quotacheck: Enhanced
to support the username up to 255 bytes.
• lp, lpadmin, lpfence, lpmove, and lpsched Commands: Printers can now be
added/removed/modified without bringing down the lp scheduler; line printer spooler
enhanced to support printer/class names up to 250 characters from the previous limit of 14
characters; support also extended to remote destination names.
• mmap() System Call: Enhanced to support mapping file with read only permission with
PROT_EXEC and implicit mmap with MAP_FIXED.
• pax Command: Enhanced to conform to the UNIX 2003 Standard. You will now be able to
use pax to archive files having a size greater than or equal to 8GB; long user name/group
name; large UID/GID greater than 2097151; long pathname or link name.
• PFS Commands: Obsolete.
• pipcs Command: Enhanced to provide details regarding processes using the various POSIX
Message Queues, as well as creation time and last modification time of the POSIX Message
Queues.
• ps Command: Enhanced to display maximum of 1020 characters in the COMMAND field.
• New: pselect() System Call: Added to meet the UNIX 2003 Standard. Provides additional
parameter options to users of the select() system call. Timeout granularity may be specified
in seconds and nanoseconds. A new signal mask parameter is also available to be used for
the duration of system call.
• psrset Command: Enhanced to support one more PSET attribute type called LCPU.
• pstat_getstatic() System Call: Information returned by pstat_getstatic() may
now change between reboots due to manually or automatically generated administrative
changes in the associated kernel tunables, online addition/deletion of resources, or other
events. Likelihood of it changing is infrequent.
• New: Ptools Process Management Tools: New set of process management tools that support
easy process tracking and debugging. Consists of the following commands: pmap, pfiles,
pgrep, pkill, ptree.
• ptrace() System Call: Obsolete in HP-UX 11i v3.
• sar Command: Enhanced to report activity for each HBA and Tape device.
• setboot Command: modified to take a persistent DSF or a lunpath hardware path as valid
input to set the bootpath for next boot; enhanced to enable or disable hyperthreading
environment for the next boot on a Dual-Core Intel® Itanium® 2 platform.
• sigblock(2), sigsetmask(2), sigstack(2), sigvector(2), bsd_signal(3C): Manpages are obsolete.
• spray Command: Provides two new options: -d, which specifies how many microseconds
to pause between sending each packet, and -t, which specifies class of transports.
• New: swapctl() System Call: Allows you to configure primary swap to take effect on the
next boot. Previously this could only be done via the commands lvlnboot and vxvmboot.
swapon() system call is deprecated.
98 What is new