The article cover what causes high response times for volumes on SATA or SAS disks when workload increases and what you need to do to reduce, stagger, or monitor workloads causing high disk latency an...The article cover what causes high response times for volumes on SATA or SAS disks when workload increases and what you need to do to reduce, stagger, or monitor workloads causing high disk latency and utilization.
UM calculates the average weighted latency of each disk that is part of the aggregate, based on a few counters, such as Reads, writes and CP reads. UM always presents the highest average weighted late...UM calculates the average weighted latency of each disk that is part of the aggregate, based on a few counters, such as Reads, writes and CP reads. UM always presents the highest average weighted latency of all the disks, as the aggregate latency Even if only one disk has higher latency, the total aggregate latency graph is affected. Why does the volume latency not match the aggregate latency in Active IQ Unified Manager?
