HP-UX 11i v3 Installation and Update Guide, September 2009 (Update 5 Release)

IMPORTANT: As is required by increased system hardening, some of the services and
protocols needed by some products may be disabled when you select specific security
levels.
One of these affected products is HP Serviceguard. For important information about
configuring Serviceguard with Bastille and IPFilter, see the document below.
For more information about HP-UX Bastille, including details of the effects of ITS levels,
see the HP-UX System Administrator's Guide: Security Management (http://docs.hp.com/
en/oshpux11iv3.html). For additional information about Bastille, also see the HP-UX
Bastille User’s Guide located on your system: /opt/sec_mgmt/bastille/docs/
user_guide.txt.
Installing VxFS and VxVM
Starting with the September 2009 OEUR, the default-install of VxFS has changed from
4.1 to 5.0 and VxVM 4.1 has been replaced by VxVM 5.0. This has important implications
for several install scenarios. For detailed instructions and information about how this
impacts you, consult Appendix B: “Installing VxFS and VxVM” (page 115).
System tuning for VxFS
If your system has the minimum amount of memory, you may need to manually set
VxFS tunables for optimal performance after cold-installing or updating to HP-UX 11i
v3. Two VxFS tunables, vx_ninode and vxfs_bc_bufhwm, have an effect on system memory
consumption. For guidelines on setting them for machines with relatively low RAM,
see the Veritas File System 4.1 Administrator's Guide at http://www.docs.hp.com/en/
oshpux11iv3.html#VxFS.
Next generation mass storage stack
Mass storage stack for HP-UX 11i v3
HP-UX 11i v3 introduces a new representation of mass storage devices, known as the
agile view. In the agile view, disk devices and tape drives are identified by the actual
object, not by a hardware path to the object. In addition, paths to the device can change
dynamically and multiple paths to a single device can be transparently treated as a
single virtualized path, with I/O being distributed across those multiple paths.
In HP-UX 11i v3, there are three different types of paths to a device: legacy hardware
path, lunpath hardware path, and LUN hardware path. All three are numeric strings
of hardware components, with each number typically representing the location of a
hardware component on the path to the device.
The new agile view increases the reliability, adaptability, performance, and scalability
of the mass storage stack, all without the need for operator intervention. For more
information, see the white papers “The Next Generation Mass Storage Stack: HP-UX
38 Before you begin