SQL VM上磁盘延迟高, 但Host和Storage Array上的延迟却很低的问题

Articles helped fix this issue

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Troubleshooting Storage Performance in vSphere – Storage Queues

https://blogs.vmware.com/vsphere/2012/07/troubleshooting-storage-performance-in-vsphere-part-5-storage-queues.html

SQL Server and HBA Queue Depth Mashup

http://blogs.msdn.com/b/joesack/archive/2009/01/28/sql-server-and-hba-queue-depth-mashup.aspx

Further reading

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Troubleshooting Storage Performance in vSphere – Part 1 – The Basics

http://blogs.vmware.com/vsphere/2012/05/troubleshooting-storage-performance-in-vsphere-part-1-the-basics-.html

Troubleshooting Storage Performance in vSphere – Part 2
http://blogs.vmware.com/vsphere/2012/06/troubleshooting-storage-performance-in-vsphere-part-2.html

Troubleshooting Storage Performance in vSphere (Part 3) – SSD Performance
http://blogs.vmware.com/vsphere/2012/06/troubleshooting-storage-performance-in-vsphere-part-3-ssd-performance.html

SQL VM上磁盘延迟高, 但Host和Storage Array上的延迟却很低的问题

原文：http://www.cnblogs.com/awpatp/p/3545217.html