Question about back ups

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Hello everyone


Got a question in a college assignment and I cant get my head around it. Never in my life done back ups and I would be really thankful for some help .

The Scenario is the following:
Doing a full back up on Sundays and incremental back ups each day of the week. A copy of the backed up data is taken to an offsite location on Wednesdays. Unfortunately the differential copies towards the end of the week have recently become unacceptably large and have to change the back up policy.


Obviously have to come up with a new back up policy. Would it be enough to change the days and re-think what kind of back ups need to be done??


I would be really grateful for any comments

Thanks a lot

 

Firstly, for this scenario to make sense to you I would recommend learning what the 3 different backup types actually do. Full Backup, Incremental backup and differential backup.

Once you know the difference, you should then know why a differential backup gets larger towards the end of the week and how to change the schedule to correct this.

Only other comment would be that your scenario seems a little confused using all 3 backup types in one policy, typically you'd only use either differential or incremental together with a full backup.

Mercury

 

Does it mention any scope to change or what days are unnaceptable for full back ups?

If not I would do a full back through Wednesday night and an incremental every other day.

 

Guys thank you very much for the replies!

Greenbrucelee: there is no unacceptable days for full back ups and there is no scope mentioned!
Why would you do the full one on Wednesday and the incrementals on every other day? Is there a particular reason doing it midweek?

Thank you once again

 

If you study what the three different backup types do - full, differential, and incremental - the reason behind doing a full backup on Wednesday should be clear.