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Discuss content posted by Jeremy Egbert
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Convert Mirroring to Log Shipping
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Convert Mirroring to Log Shipping
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Robert Davis
Robert Davis
Posted Friday, August 20, 2010 12:02 AM
SSCommitted
Group: General Forum Members
Last Login: Wednesday, May 15, 2013 7:57 PM
Points: 1,558,
Visits: 1,395
Interesting article. I've converted log shipping to mirroring lots of time but never considered any use cases for the reverse. Nice thoughts!!
My blog: SQL Soldier
Twitter:
@SQLSoldier
Microsoft Certified Master: SQL Server 2008
Sr. Product Consultant and Chief SQL Server Evangelist @ Idera
My book: Pro SQL Server 2008 Mirroring
Post #972296
Dan Guzman - Not the MVP
Dan Guzman - Not the MVP
Posted Friday, August 20, 2010 9:09 AM
Say Hey Kid
Group: General Forum Members
Last Login: Friday, April 26, 2013 11:57 AM
Points: 708,
Visits: 660
So....
Why not just fail over to the secondary full time, so that you can upgrade the primary offline. If all goes well, fail back to the primary, if not, the secondary keeps on running until the issues are resolved? No down time at all.
Post #972608
JeremyE
JeremyE
Posted Friday, August 20, 2010 11:19 AM
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Last Login: Yesterday @ 2:07 PM
Points: 2,386,
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Dan Guzman - Not the MVP (8/20/2010)
So....
Why not just fail over to the secondary full time, so that you can upgrade the primary offline. If all goes well, fail back to the primary, if not, the secondary keeps on running until the issues are resolved? No down time at all.
You would have to break mirroring or log shipping in order to have both primary and secondary databases online at the same time. How would you reconcile the difference between the primary which has the code upgrade applied and the secondary which has had user transactions running against it?
Post #972711
Dan Guzman - Not the MVP
Dan Guzman - Not the MVP
Posted Friday, August 20, 2010 11:25 AM
Say Hey Kid
Group: General Forum Members
Last Login: Friday, April 26, 2013 11:57 AM
Points: 708,
Visits: 660
Duh. Yes, of course, you are correct.
Post #972717
sejal p gudhka
sejal p gudhka
Posted Monday, August 23, 2010 2:54 AM
SSC-Enthusiastic
Group: General Forum Members
Last Login: Tuesday, April 17, 2012 11:29 PM
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Same also applies for LS in case of Recovery model is full, it can hold transactions till log file grows. Only +ve point of LS over log size is that it uses Bulk Load recovery model.
Post #973273
Paul White
Paul White
Posted Thursday, September 02, 2010 4:08 AM
SSChampion
Group: General Forum Members
Last Login: Wednesday, May 08, 2013 10:33 AM
Points: 10,989,
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A very good article - I have no idea why it's rating is so low.
Well done.
Paul White
SQL Server MVP
SQLblog.com
@SQL_Kiwi
Post #979385
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