1) Yes, but I might need some help with that. Which list/maintainer should I
submit it to?
2) On our test machine, with both the hyper-v host as well as the guest under
heavy i/o load, it was a few hundred ms but with high variance and spiking
(quite often) in to the 2-4s range, with some extreme values being 10s and
I assume that this varies a lot with regards to the test hardware, especially
With light load (but not idle) this was well in the <100ms range but with
Another thing I noticed was that the freeze operation often took a lot longer
(but not always) when triggered directly by the vss daemon through a host
backup and not just from a standalone test program which just called
FREEZE/THAW in a loop.
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[Hyper-V] Ubuntu 14.04.2 LTS Generation 2 SCSI Errors on VSS Based
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