Github user rhtyd commented on the pull request:
https://github.com/apache/cloudstack/pull/1545#issuecomment-220278587
In general, a good idea and would be useful for flushing out disk IO and
doing clean shutdown of VRs and vms. There are some outstanding issues, but the
feature is nice.
I've not tested this, I suppose @wido would have tested this for
Debian/Ubuntu based kvm hosts, we'll also need testing efforts on centos6 and 7
based kvm hosts.
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