MammaGutt wrote:
In CLI, «statpd -rw», «statvv -rw -ni», «statvlun -ni -rw» and «statvlun -hostsum -ni -rw» should give you some pointers. If statvlun is high and statvv is low, your issue is 99% host or fabric issue. With and without hostsum can help you understand if it is volume or host related. If statvv is high, the latency is due to something internal on the 3PAR, if statpd latency is high, it is most likely a backend issue (not enough disks/SSD). Always remember that read iops (vlun and vv) is mostly read from disk (around 5-10msec) while write should hit cache (1-ish msec).
So are you saying when running these commands to focus and compare the Svt MS columns?
Thanks