Backup Parameters

This window is used to define the backup requirements for backups performed throughout Preceda.

Prerequisites

• No prerequisites

Rules and Guidelines

• Two options should be considered when defining backup requirements:-
• Backup directly to a device, normally a tape.
  Depending on the amount of information to be saved, this could be considered a slow process.
  This is the recommended option for companies who do not have expert system operators and backup procedures.
• Backup the save files.savefiles
  This option involves the saving of information to another place on the main storage.
  It is quicker than the Backup directly to a device option, and is particularly suitable for Payrun backups, as recovery is quick.
  Savefiles can be saved to a device at a later stage, such as during normal daily backup.
  If these files are not saved to a device, they remain vulnerable to a disk crash or operator error.
  

• Although Preceda provides the facility to backup data to savefiles, it does not have the option to backup those savefiles to tape or disk. To do this use the normal mainframe backup facility. It is the responsibility of your company to carry out this task.
• There are four types of backups defined on this window, each one used in a different place in Preceda.

Field Information

Perform Before Run Backup

This section allows for backup details to be setup for file library's before the Payrun process is started. It is important that a backup of the file library is performed before the Payrun processing, as it may be needed to rerun a payrun or part of a payrun.

Before Payrun Backup

Code	Description
Y	The Before Payrun Backup is to be performed. If the Payrun Process is started before running this backup, a warning message is issued during the Payrun that a backup was not performed.
N	The Before Payrun Backup is not to be performed. A warning message about the backup is not issued during the Payrun.

 

Perform After Run Backup

This section allows for backup details to be setup for Employee Files to be included when the Close Payrun option is run.

After Payrun Backup

Code	Description
Y	The After Payrun Backup is performed automatically at the end of the Payrun. Preceda requests the backup device when it is required.
N	The After Run Backup is not to be performed.

 

Misc Functions Backup Device

This section allows for backup details to be defined for Preceda Libraries.

Non-Payrun Backup Device

This backups all file libraries.

Backup Type

This field is used if using Concurrent Payruns and the facility is required to perform partial backups of the database. The backup is performed, using the Header as a guide, enabling Time Entry to carry on in the other Payrun Environments.

Option	Description
*FULL	The before payrun backup is to be a full backup of the entire database.
*PARTIAL	The before payrun backup is to be a partial backup; backup only those files that are altered by the Payrun process, those record in the Payrun environment the operator is assigned. If using this option ensure that a full system backup is done on a regular basis.

 

Device

Specify the name of the device (tape, drive or disk) that the files are to be backup on, e.g. TAP01 is often used for tape and DKT01 is often used for disk.

If backing up to a savefiles, *SAVF is entered.

Volume Identifier

Is the volume identifier or ID of the tape or disk used for the backup to be checked? When performing the backup, Preceda checks that the volume ID on the tape or diskette matches the name specified in this field.

Option	Description
NAME	This is the name used to initialise the tape.
*MOUNTED	The volume name is not checked.

It is recommended that PAYBEF is specified for Before Payrun Backup and PAYAFT for the After Payrun Backup, for this volume ID.

File Expiration Days

This is the expiration of the Backup Files.

Option	Description
Days	Enter the number of days that the file backup must be retained.
*PERM	The backup fields are to be kept permanently.

 

End of Tap Option

This field is relevant only if using tapes to perform backups. Specify the function of the tape drive once the backup is complete.

Option	Description
*UNLOAD	The tape is rewound and unloaded, ready for the removal from the tape drive.
*REWIND	The tape is rewound only, not unloaded.
*LEAVE	The tape is not rewound or reloaded. It is stopped, ready for the remainder of the tape to be used.

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