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 Hard Drive Type SSD 15K SAS 10K SAS 7K SAS Hard Drive Capacity ? Hard Drive Capacity: Input your drive size in GB. Number of Drives Read Percent Write Percent *Assumes NO Hot Spares *SSD IOPS Is An Estimate Due to SSD/NAND Performance Differences Email My Configuration & Results CAPACITY IOPS RAID 10 RAID 6 RAID 5 Hide Details ∧ Features RAID 1+0 RAID 6 RAID 5 Diagram Minimum # of Drives 4 4 3 Data Protection Up to one drive failure in each sub-array Two drive failure Single drive failure Read Performance High High High Write Performance Medium Low Low Read Performance (Degraded) High Low Low Write Performance (Degraded) High Low Low Capacity Utilization 50% 50% - 88% 67% - 94% Typical Applications Fast Databases, Application Servers Data Archive, Backup to Disk, High Availability Solutions, Web Servers, Servers With Large Capacity Requirements Data Warehousing, Web Serving, Archiving
