HP BB118BV - StorageWorks Data Protector Express Package, User Manual, Page: 109 / 365

Chapter 6: Scheduling Jobs 91
Backup jobs are either not scheduled or scheduled. Some jobs may run once or only occasionally.
These jobs are usually not scheduled
because they only run when you instruct them to do so.
Data Protector Express includes three default schedule types for jobs that run infrequently: Not
scheduled , Run on specific day , and Run now . These jobs are designed to be run either periodically
when you select them from Data Protector Express, or only once after you complete setting up the
job. They are not designed to be run automatically even if Data Protector Express is running as a
service.
•
If the job is scheduled, how frequently do I want to run it?
If you want a backup job to run automatically at a time or day that you specify, you should select one
of the default schedules that Data Protector Express provides. You can create a job that runs as
infrequently as only a few selected days or as often as every hour. Scheduled backup jobs are
generally designed for disaster recovery protection and are therefore run at regular intervals, normally
daily. For a job to run automatically, either Data Protector Express or the Data Protector Express
service must be running.
There are several default schedule types that are designed to be run automatically on a schedule: Run
on selected days (of the week), or Run repeatedly .
•
If the job is scheduled, do I want to run it on a complex schedule?
If you want a backup job to run automatically on a complex schedule, or if you need to create a
specialized backup schedule, use one of these schedules:
Run on selected days or Run repeatedly.
These schedules let you choose the specific days on which the job should run.
•
What is the purpose of this job—to protect from disasters or to maintain a historical record?
Data Protector Express runs jobs in one of four backup modes: full, incremental, differential, or copy.
Jobs that are set to
Run repeatedly use the backup type shown in their schedule. Other jobs use the
backup type defined on the Options tab which is set to “full” by default. You can change the backup
mode for a job on the Options property page or by changing the interval settings in a Run repeatedly
job. Full backups provide the best backup for data recovery purposes because they include necessary
system information. Backup jobs that are not run specifically for data recovery purposes can use any
of the other backup modes and can be used for general data restoration purposes. To set up a flexible
backup schedule that includes jobs run in more than just full backup mode, choose
Run repeatedly
so that you can set the backup mode for any job in the schedule.
TIP: To change the default backup mode for a job that does not include media rotation, open the Options
property page and change the Backup Mode setting.
TIP: For the most flexible complex backup schedule, choose
Run repeatedly
.
How or whether or not you schedule a job and the type of schedule you select depends on several factors.
Before proceeding, consider the following questions:
•
What degree of risk to your data is reasonably allowable?
•
Will the amount of traffic on your network require that backup jobs be scheduled to run during non-
peak periods? Are there certain days of the week when running lengthy jobs will interfere with other
uses of your network? Do I need to schedule jobs to run several times a day?
•
Are there times when your tape drive will be unavailable?
•
Will someone monitor the job as it runs?
•
How large will a full backup job be?