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100% drive usage on a passed thru ssd when nothing is happeing - Freezes vm


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I have a windows VM that has 2 SSD's passed through to it. Not the controllers, just the drives. 

The main OS drive can sit there and idle fine, but as soon as I start performing write operations, after about 1GB it starts freezing, locking up, pinging out. Eventually it will start to come back to life and I can see in task manager that the drive is 100% utilized. This will continue for a minute or two after the files have stopped moving where they were created, copied or extracted to.

 

I was having this exact same issue when I was running the vm as a disk image on the cache pool and thought the ssd would fix it.

 

I have tested both drives and they have the same behavior. They are connected to different sata controllers, X570 and Asmedia (only one drive is connected). 

 

I updated the virtio driver package and saw no change.

 

 

Screenshot 2023-03-27 191346.png

Screenshot 2023-03-27 191417.png

Screenshot 2023-03-27 193001.png

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