HP-UX 11i June 2003 Release Notes

What’s New at a Glance
What’s New in the Original 11i Release?
Chapter 2
41
Chapter 10: Process, Threads, Memory, and Kernel Parameters (see page 207)
• Gang scheduling for MPI applications and multi-threaded processes enabled. (See
“HP-UX Gang Scheduling” on page 208.)
• CMA threads deprecated and kernel threads implemented. (See “Kernel Threads vs.
CMA Threads” on page 209.)
• Amount of private data space available increased. (See “Large Private Data Space”
on page 210.
• The creation of unique memory windows for shared objects now allowed for 32-bit
processes. (See “Memory Windows” on page 212.)
• Dynamic tunables enabled. (See “Dynamic Tunables” on page 215.)
• System-V IPC message queue enhanced. (See “System-V IPC Message Queue
Enhancement” on page 217.)
• System-V IPC kernel tunable configuration parameter SEMMSL now a dynamic
kernel tunable. (See “System-V IPC SEMMSL Dynamic Kernel Tunable” on
page 218.)
• SCSI Queue depth management enhanced. (See “SCSI Queue Depth Management”
on page 220.)
Chapter 11: New and Changed Disk and File Management Features (see page 223)
• Striping and mirroring for shared volume groups enabled. (See “Additional Support
for Striping and Mirroring” on page 224.)
• Journaled File System (JFS) upgraded to version 3.3 (See “New Version of Journaled
File System (JFS)” on page 225.)
• Network File System (NFS) now supported over TCP/IP in addition to running over
User Datagram Protocol (UDP). (See “Network File System Support on TCP/IP” on
page 227.)
• Also added to NSF are loopback transport support, user-space threads, and
enhancements to NFS server-side performance. (See “Other NFS Changes” on
page 229.)
• New daemon, AutoFS, mounts and unmounts NFS file systems automatically with
more reliability than automount. (See “Mounting and Unmounting NFS File
Systems Automatically Using AutoFS” on page 230.)
• HP Fibrechannel High Availability Disk and Closure added. (See “HP Fibrechannel
High Availability Disk and Closure” on page 233.)
Chapter 12: Internet and Networking Services (see page 235)
• New version of sendmail, sendmail-8.9.3, included. (See “Sendmail-8.9.3” on
page 240.)
• New version of BIND, BIND 8.1.2, included. (See “BIND 8.1.2” on page 241.)
• The rexecd and remshd services now use Pluggable Authentication Module (PAM)
for authentication. (See ““PAM-ized” rexecd and remshd” on page 242.)
• Dynamic Host Protocol (DHCP) enabled to perform updates to DDNS. (See “DHCP
with Nonsecure DNS Updates” on page 243.)