Element QoS allows a volume to burst above its configured maxIOPS for a period of time based on available resources of the node it resides on. The maximum burstIOPSCredit is calculated by multiplying ...Element QoS allows a volume to burst above its configured maxIOPS for a period of time based on available resources of the node it resides on. The maximum burstIOPSCredit is calculated by multiplying the difference between a volume's maxIOPS and burstIOPS by the burstTime of 60 seconds. Thus, in this example the volume is able to burst for a maximum of 60 seconds before its burstIOPSCredit is fully consumed.