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2 Reasons Why Failover Could Be Slow

Intro Microsoft SQL Server has had Mirroring starting with version 2005, and now that SQL Server 2012 is released, there is an additional feature set called AlwaysOn (marketing info | technical info). AlwaysOn in currently an Enterprise only feature, so Standard Edition users will still need to use Mirroring. I would describe AlwaysOn this way: [...]

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DBCC loginfo, VLFs and SQL2000 and earlier.

I was reading Paul Randall and Kimberly Tripp’s discussions about Virtual Log Files (VLFs), found here. DBCC loginfo I found that performing a log backup will cause the active VLF to ‘rotate’ to the first VLF, freeing up the rest of the VLFs for maximum shrinkage. Uh, well, you know what I mean. In SQL [...]

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