Software Distributor Administration Guide for HP-UX 11i

Reliability and Performance
Overview
Chapter 8238
Overview
SD-UX install and copy throughput are dependent on the following
factors:
• Speed of the network
• Size (i.e., number of bytes) of the product being transferred
• Number of files being transferred
• Number of targets any one source is serving simultaneously
SD-UX provides many features that can be used together to increase the
speed and success rates of distributed installations and copies. Many
features are controlled by options set in the system defaults file, separate
options file, command line, or GUI. This lets you set these features and
options to best suit your own particular network and software needs.
These options and features can be categorized as follows:
• Group and source options: SD-UX eliminates the need to
duplicate specification of commonly used groups of targets and
software. Also, using the source option to specify a main depot
reduces the number of dialog boxes.
• Large numbers of targets: Options that limit the number of
simultaneous targets.
• Timeout options: Options that control how long the task attempts
to retry low-level communications for file transfers before giving up.
• Retry RPC and retry intervals: Options that control the intervals
between retries when the controller or targets attempt to
re-establish lost connections.
• Retry command: Options that facilitate retrying operations that
have failed. These can be used in conjunction with the checkpointing
features or can start the task from the beginning.
• Database checkpointing: SD-UX commands perform automatic
checkpointing at the fileset level and recording database
transactions in the SD-UX depot catalog IPD. In addition,
checkpointing at the file level is supported through attributes stored
with the file.