Slow disk write performance when you use a back-end SAN on a computer that is running Windows Server 2008 R2

Performance Tuning, Windows 2008 R2 Clustering Leave a comment

Interesting fix was released today, your WRITE performance might be poor due to incorrect priority in DPC in Windows 2008 R2.

If you have write performance worse on your SQL Server running on Windows 2008 R2 with SAN but was working well in Windows 2003, please look at this HOTFIX.

Cheers!

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