We're doing a deep dive on VHD setting (M$ Hyper-V) for tuning ArcGIS Server performance, and wondering if anyone has experience/insight on this. With the out of the box VHD settings in Hyper-V, we're seeing horrible performance with disk throughput, and I'm not even yet into GIS Server load testing.
To the question:
For a standard GIS Enterprise deployment, let's assume
What disk settings are working best for you? We suspect setting block size at the OS level might yield the best results. We don't have a lot (any) control over the SAN hardware: What the vendor sold us is what we're using, and we've exhausted vendor support (what they did resulted in some performance increase but not enough). Nor do we have the luxury of moving VM's to underutilized hyper-v hosts, as utilization changes constantly.
I recall an ESRI white paper on this but can't find it.