Setup Guide

Host Configuration for HP-UX
This chapter contains the following topics:
Topics:
• Recommended Configuration Values Summary
• Fibre Channel Configuration
• HP-UX Host Parameter Settings
• Multipathing Software Configuration
• Post-Configuration Steps - Using the PowerStore System
Recommended Configuration Values Summary
The following table summarizes all used variables and their values when configuring hosts for HP-UX
NOTE: Unless indicated otherwise, use the default parameters values.
Validation Impact Severity Refer to Section
To clarify the above
note for using default
parameter settings unless
stated otherwise in this
chapter, make sure that the
following are set per the
default OS setting:
● LUN and HBA queue depth
● HBA timeout
Stability &
Performance
Recommended For further details, refer to OS and HBA
documentation.
Specify HP-UX as the
operating system for each
defined host.
Serviceability Mandatory Presenting PowerStore Volumes to the HP-
UX Host
Maximum transfer length:
Change escsi_maxphys value
to 1MB (256 increments of
4KB)
scsimgr save_attr -a
escsi_maxphys=256
Performance Warning Maximum Transfer Length
Load balancing: Keep the
following HP-UX native
multipathing parameters at
their default values:
● load_bal_policy - set to
"round_robin"
● path_fail_secs - set to 120
seconds
Performance Warning Configuring Native Multipathing using HP-UX
Multipath (MPIO)
Temporarily disable UNMAP
during file systems creation
(only when using Veritas
Volume Manager):
Performance Recommended Creating File System
8
Host Configuration for HP-UX 51