HP-UX 11i v3 Read Before Installing or Updating, September 2011
• HP CIFS Client: Updated to version A.02.02.01 with support for MS Distributed File System
(DFS) and DLKM feature and other changes.
• HP CIFS Server: Updated to 3.0f version A.02.03: Redesign of Winbind code; File Locking
Interoperation Functionality; support for long user and group names; support for TDB Memory
Map.
• HP-UX File Systems Architecture Enhancements: Numerous enhancements include VFS stacking
capabilities; fsdaemon user level daemon; large file systems and large files support; improved
file systems syncer; performance improvement of aio_reap(2); support of larger files and long
link names in backup utility; and several other enhancements.
• Logical Volume Manager and MirrorDisk/UX: Delivers significant scalability and availability
enhancements. Supports the next generation mass storage stack, and is integrated with the
mass storage stack’s load balancing and dynamic LUN expansion features; enhanced to
support larger logical volumes, temporary suspension of volume groups, striping with mirroring,
and dynamic LUN expansion; enables online modification of a volume group, as well as a
new script to simplify the replacement of a failing disk.
• Open Network Computing (ONC)
AutoFS/Automounter: Updated with the ability to configure AutoFS through the /etc/
default/autofs file; a new startup/shutdown script for product (no longer controlled
by the NFS client startup/shutdown script); support for NFSv4, SecureNFS, and IPv6.
◦
◦ Cache File System (CacheFS): New features include long file name support, cachefspack,
and support for large files and large file system.
◦ Library RPC: Library routines support several new datatypes, add support for IPv6, and
more.
◦ Network File System (NFS) Services: Provides numerous enhancements, including pcnfsd
daemon, which is multithreaded and supports shadow password and Secure RPC; new
user mode daemon generates and validates API security tokens, and maps the GSSAPI
principal names to the local user and group IDs; additional security mechanisms, such
as Secure NFS that supports Kerberos through GSSAPI; NFS access using a firewall; and
many other features.
◦ Network Information Service (NIS): Provides several new features including support for
shadow mode; support for enabling DNS forwarding mode; support for long uname,
hostname, and username; and other features.
◦ NIS+: Obsoleted.
◦ PCNFSD: pcnfsd daemon is multithreaded. Support for shadow password and secure
RPC; support for printer names up to the PCNFSD protocol limitation of 64 characters.
• New: Unified File Cache: Integrates the page cache and buffer cache to provide coherency
for file access. Serves as a key enabler for VxFS 4.1 and ONC+2.3. Improves source
compatibility with Solaris, Tru64, and Linux applications that depend on coherency of page
and buffer cache. Potential performance improvement of applications that depend on coherency
of page and buffer cache.
• VERITAS File System (VxFS): Features in version 4.1 include VxFS filesystem as a DLKM;
multi-device filesystems; checkpoint enhancements; portable data enhancements; and other
features. Cluster File System (CFS) is not supported in the initial release of HP-UX 11i v3.
• VERITAS Volume Manager (VxVM): Features in version 4.1 include support for Volume Sets
and VxFS MDS; Cross-Platform Data Sharing; Device Discovery Layer Phase 2; Serial Split
Brain; and other features. Cluster Volume Manager (CVM), a part of VxVM that is enabled
by a separate license, is not being provided with the current 4.1 HP-UX 11i v3 release.
What is new in the initial (February 2007) HP-UX 11i v3 release 87