DISK RAID AND IOPS CALCULATOR

Do you know how many Input/Output Operations Per Second (IOPS) your RAID configuration is going to produce? Are you trying to calculate how much usable storage you are going to net from different RAID configurations? Use this calcualtor to help properly size your environment.

Options

*Assumes NO Hot Spares
*SSD IOPS Is An Estimate Due to SSD/NAND Performance Differences

CAPACITYIOPS
RAID 10
RAID 6
RAID 5


Hide Details
FeaturesRAID 1+0RAID 6RAID 5
Diagram
Minimum # of Drives443
Data ProtectionUp to one drive failure in each sub-arrayTwo drive failureSingle drive failure
Read PerformanceHighHighHigh
Write PerformanceMediumLowLow
Read Performance (Degraded)HighLowLow
Write Performance (Degraded)HighLowLow
Capacity Utilization50%50% - 88%67% - 94%
Typical ApplicationsFast Databases, Application ServersData Archive, Backup to Disk, High Availability Solutions, Web Servers, Servers With Large Capacity RequirementsData Warehousing, Web Serving, Archiving