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 by 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.
Compression: SD-UX supports compression functionality to reduce the amount of data being transferred.
Staging: SD-UX supports staging software to intermediate depots either on the installation target or onto a source more accessible to the target, which has been preconfigured to use the alternate source.
Recovery: SD-UX supports automatic procedures to recover from failed installations, leaving the system in the same state as previous. There are also manual means through use of multiple versions.
Multiple Versions: SD-UX supports installing multiple revisions of the same software on a system at the same time, if the software supports it. Then, the old version can be unconfigured, and the new version configured as the active version. In case of any problems, the old version can be restored as the active version by unconfiguring the new version and reconfiguring the old.

Each of these topics is discussed in the following sections.

Overview

Technical documentation

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