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Backup strategies and scheduling


Backup strategies and scheduling

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batgirl
batgirl
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Our DBA has left the company and I have just inherited the daily job of reviewing backup jobs to ensure that they have completed successfully.

I created a list of databases and their corresponding backup jobs/schedules in order to check them off and document completion.

During this exercise I have noted two schedules that appear odd to me:

DatabaseW scheduled for Full daily, Diff every 4 hours, Logs every 6 hours.
DatabaseR scheduled for Full daily, Logs weekly.

I have always scheduled logs most frequently and in between diffs and/or fulls...am I missing something or should these schedules be changed?
HanShi
HanShi
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I also find the schedules you mention very odd.

A rather common frequency is:
FULL: weekly
DIFF: daily
LOG: every 30 mins

But the frequency really depends on your business requirements. How much data loss is acceptable and how much time you get to get back in case of disaster.

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Steve Jones
Steve Jones
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I suspect you had someone setting this up that didn't understand RPO/RTO and was just managing the log size, not worrying about recovery.

I'd make the logs more frequent.

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