I recently setup a freenas instance on a laptop to play around with. I have two of the following drives in RAIDZ0 configuration: http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
I ran the following command to test write performance: dd if=/dev/zero of=temp.dat bs=xk count=25k, where bs=xk went from 4k to 1024k. What I think this is doing is writing 25k blocks to a file temp.dat where each block is xk large. Is this correct?
My results, all in bytes/sec:
4k: 231,643,525
8k: 405,123,077
16k: 621,108,792
32k: 850,625,719
64k: 894,870,764
128k: 1,110,215,931
256k: 1,069,449,486
1024k: 998,503,067
I just want to make sure I am reading this correctly: at around 128k per block, this setup can write at 1.1GB/s sequentially?
I ran the following command to test write performance: dd if=/dev/zero of=temp.dat bs=xk count=25k, where bs=xk went from 4k to 1024k. What I think this is doing is writing 25k blocks to a file temp.dat where each block is xk large. Is this correct?
My results, all in bytes/sec:
4k: 231,643,525
8k: 405,123,077
16k: 621,108,792
32k: 850,625,719
64k: 894,870,764
128k: 1,110,215,931
256k: 1,069,449,486
1024k: 998,503,067
I just want to make sure I am reading this correctly: at around 128k per block, this setup can write at 1.1GB/s sequentially?