Hello, 

I see there is an option with virsh attach-disk to set the cache to "none" for 
raw devices, but I can't find how to attach the disk with io=native (needed for 
performance reasons).
The goal is to attach a disk online, directly with the proper performance 
settings.

I know I can set this in virt-manager, but then I have to restart the VM to 
apply the change, so this is an offline operation.
With virsh edit, I guess I also would have to restart the VM...

-- 
Frido Roose
Sent with Sparrow (http://www.sparrowmailapp.com/?sig)


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