Storage Spaces-Server Essentials RC
In following tradition, below are the updated benchmarks of the Release Candidate of Server Essentials. As you can see from the benchmarks below, things have not improved in terms of performance. If fact, some tests were a bit slower. I am using the same hardware in the same configuration as before for the testing. I will continue to test all releases including the soon to be RTM Server 2012. If you are going to spend for Server Essentials when it is released, spend the extra $100-150 for a inexpensive RAID card and get 2-3x the better better performance that matches this high end software where.
Results from the Release Candidate
RAID 5 Comparison Benchmarks
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Category: BYOB, Windows Home Server
What HDDs are these? WD Green drives?
Yes, these are WD EARS drives. That has been the baseline in all the testing so I can have a true comparison. Obviously, faster drives will yield better results but the comparisons including the RAID card have been consistent.
I think your speeds are pretty good. I've got 4x2TB EARS on a 2720sgl. Your CrystalDiskMark tests are better than mine. Sequential I get 181/211 MB/s read/write. For ATTO, your reads are about 10% slower, but your writes are 10% faster (on average across all sizes).
However, my array was about half full when I did the testing, so that would impact the scores somewhat.
Sorry, I should have said your RAID speeds are good
What RAID card did you use for you test.