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 Best Database Sync strategy

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dolphin123
Yak Posting Veteran

84 Posts

Posted - 2012-07-30 : 15:49:57
Hi,

I am working on building a DR environment.

Our Production environment is hosted externally and has a 10 MBPS link over VPN between our office network and

the hosted environment.

The database only get written last 4 days of the month. The best solutions we have - someone goes to the hosted

platform, copy all the backups, bring it in-house and restre it manually.

With this bottleneck of 10 MBPS network in the picture, is there anyway to keep the DR environment's database in sync more efficiently?

Thanks a lot in advance.

- D

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2012-07-30 : 16:07:13
I would recommend shipping the transaction logs. Maybe yours are pretty small in size if you have very little data changing in a month.

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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dolphin123
Yak Posting Veteran

84 Posts

Posted - 2012-07-30 : 16:24:42
Thanks Tara. The total size of all the databases are around 5 TB. But the changes are probably like 300 GB, I think.

My manager recommended log shipping as well.

The developers have setup this backup plan for the Production environment - One weekly full backup (every Saturday), rest of the days a transactional backup is taken). Will this interfere with my plan to do log shipping. How do I go about learning this. Is the chapter on "Log Shipping" in MS book for exam 70-443 enough. or should it be more? Please let me know if there are any pit falls I need to watch out for?

Thanks in advance
- D
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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2012-07-30 : 16:27:30
You would just ship the existing transaction logs or you would need to ditch their tlog plan and then put in place log shipping. The key is to make the tlog backups frequent enough. I recommend every 15 minutes as a starting point. Go more frequent if needed.

I have no information about the exams. Is there a DBA there that can help you with this?

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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dolphin123
Yak Posting Veteran

84 Posts

Posted - 2012-07-30 : 16:31:44
No. I am going to read through the book on this, test it in the lab environment and set this up my self. :)

Thanks for all the infor, Tara. Much appreciated.

- D
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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2012-07-30 : 17:14:28
You're welcome, glad to help.

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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