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Backup plan confusion!


Backup plan confusion!

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Abu Dina
Abu Dina
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Please consider the following setup:

5 SQL Server instances writing backup files to the same NAS device 7.5TB capacity

Backup Schedule (Fortnightly FULLs + Daily DIFFs

Databases are all set to SIMPLE recovery (no point in time restores required). Largest DB 500GB and largest instance is 1.2TB data.

I'm unable to perform the FULL backups on the same day for all 5 sql instances (NAS problems) so I've got it setup to do Server A on Monday, B on Tuesday and so on.

Now I need to implement off-site backups and I'm not sure how to work it out.

IT manager has suggested that for off-site backups we perform FULLs once a week (the night before the collection) to USB drives attached to each server. But now I'm worried that the suggested weekly FULLs will break my Fiortnightly FULLS+Daily DIFFs chain? Hope I'm making sense?

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It takes a minimal capacity for rational thought to see that the corporate 'free press' is a structurally irrational and biased, and extremely violent, system of elite propaganda.
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Society has varying and conflicting interests; what is called objectivity is the disguise of one of these interests - that of neutrality. But neutrality is a fiction in an unneutral world. There are victims, there are executioners, and there are bystanders... and the 'objectivity' of the bystander calls for inaction while other heads fall.
Howard Zinn
SQL_Bob
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Probably the easiest option (if possible) is for the offsite backups to be copied off the NAS you're already using, so you don't have to create extra backups.

If that's not possible though, use the WITH COPY_ONLY option in your backup command for the weekly full backups - this way it won't break the differential chain from the system you already have set up.

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Bob Pusateri
Microsoft Certified Master: SQL Server 2008

Blog: The Outer Join
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Abu Dina
Abu Dina
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Thanks Smile I didn't know about WITH COPY_ONLY

---------------------------------------------------------


It takes a minimal capacity for rational thought to see that the corporate 'free press' is a structurally irrational and biased, and extremely violent, system of elite propaganda.
David Edwards - Media lens

Society has varying and conflicting interests; what is called objectivity is the disguise of one of these interests - that of neutrality. But neutrality is a fiction in an unneutral world. There are victims, there are executioners, and there are bystanders... and the 'objectivity' of the bystander calls for inaction while other heads fall.
Howard Zinn
SQLmountain
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If you forgo the "with copy_only" option and decide to have the offsite backups be copied from your already existing backups you could use SSIS, robocopy, etc.

SSIS packages are good for copying, naming, archiving, your offsite backup files, while providing scheduling and alerting in SQL Server Agent. Good for overall management of your offsite backups.
Abu Dina
Abu Dina
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Because I can only perform FULL backups to the NAS from one sql server per day and the offsite backup collection is on Thursday morning, I really need a fresh backup of the databases going to the USB drive.

Copying an existing FULL backup would be okay but it could be well over a week old.

I will try the with COPY_ONLY and see how it goes.

Cheers for the input.

---------------------------------------------------------


It takes a minimal capacity for rational thought to see that the corporate 'free press' is a structurally irrational and biased, and extremely violent, system of elite propaganda.
David Edwards - Media lens

Society has varying and conflicting interests; what is called objectivity is the disguise of one of these interests - that of neutrality. But neutrality is a fiction in an unneutral world. There are victims, there are executioners, and there are bystanders... and the 'objectivity' of the bystander calls for inaction while other heads fall.
Howard Zinn
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