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Software Distributor Administration Guide: HP-UX 11i v1, 11i v2, and 11i v3 > Chapter 8 Reliability and Performance

Retry Command

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SD-UX supports 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.

Each execution of a command records all of the target, software, and option selections automatically in a session file, command.last. You can also save the session information to a different file using the GUI. The session files are stored in the directory $HOME/.sw/sessions. The entire command can be retried by recalling the session in the GUI or by re-executing the task:

command -S command.last

When a task is retried, any fileset that is up to date (has the same product and filesets revisions as available or installed and is not in the transient or corrupt state) will not attempt to be reinstalled (the default behavior), and all other filesets will be retried. This behavior can be overridden, forcing the retry to start at the beginning of all files, by setting reinstall=true from either your option setting or the CLI.

If the reinstall_files option is set to true, all files in that fileset are retransferred. However, although preinstall and postinstall scripts for filesets that are being installed are executed normally, the file transfer for up to date files can be avoided by leaving the reinstall_files option equal to false (the default).

When the reinstall_files option is false, the user can also control which attributes are checked in order to determine if the fileset is already installed or available. If the reinstall_files_use_cksum option is set to true, the size, mtime, and cksum attributes are checked.

If the reinstall_files_use_cksum option is false, then only the size and mtime are checked. Checking the checksum attribute is more time consuming but more reliable. The size and mtime checks are very fast.

The user can see which files were actually installed or copied and which were skipped due to being already up to date by setting the loglevel option to 2.

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