Many log messages come up referring to the device WWN naa id e.g 2019-09-02T10:30:44.337Z: [scsiCorrelator] 304273812631us: [vob.scsi.device.io.latency.high] Device naa.60002ac000000000000000140001eac6 performance has deteriorated. I/O latency increased from average value of 826 microseconds to 16837 microseconds. 2019-09-02T10:30:44.337Z: [scsiCorrelator] 304280755082us: [esx.problem.scsi.device.io.latency.high] Device naa.60002ac000000000000000140001eac6
