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January 11th, 2011 08:00
IOPS calculation
How do I calculate the average IOPS in a (2+2) RAID 10 environment over 4 15K disks.
According specs: max. 380 (avg. 190) I/Os per second ST3450857FC 15K.7 450 GB
Is it 190x4=760 IOPS? What is my writepenalty in this configuration?
Am I right when I say 1+(parity/#hdd) = 1+(2/4) = 1,5 write penalty ???
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