volume latency issue on weekends

[sfrmast]

 Which one? Data Volume, LUN presented as raw disk to HyperV V SQL VM

               -How was the latency detected?  It was detected through SQL Logs

               - on Application/Windows

               - Latency during READ/Write operation to SQL LUN 

[SpindleNinja]

Can you clarify your question and provide some details?  

[paul_stejskal · Accepted solution]

Also please follow https://kb.netapp.com/Advice_and_Troubleshooting/Data_Storage_Software/ONTAP_OS/ONTAP_9_Performance_-_Resolution_Guide

[tahmad]

Did you have a chance to check the kb shared by paul? @sfrmast