Hi
we have a number of esx hosts showing similar events as the ones below. it is typically happening during nightly backups.
2013-04-23T03:50:23.307Z ESXHOST Hostd: [299D2B90 info 'ha-eventmgr'] Event 2619260 : Device naa.50002ac0028a202b performance has deteriorated. I/O latency increased from average value of 5156 microseconds to 2222967 microseconds.2013-04-23T03:50:23.304Z ESXHOST vmkwarning: cpu32:36501)WARNING: ScsiDeviceIO: 1218: Device naa.50002ac0028a202b performance has deteriorated. I/O latency increased from average value of 5156 microseconds to 2222967 microseconds.2013-04-23T03:50:23.305Z ESXHOST vobd: [scsiCorrelator] 7548791014366us: [esx.problem.scsi.device.io.latency.high] Device naa.50002ac0028a202b performance has deteriorated. I/O latency increased from average value of 5156 microseconds to 2222967 microseconds.2013-04-23T03:50:23.304Z ESXHOST vobd: [scsiCorrelator] 7548787013332us: [vob.scsi.device.io.latency.high] Device naa.50002ac0028a202b performance has deteriorated. I/O latency increased from average value of 5156 microseconds to 2222967 microseconds.2013-04-23T03:50:23.304Z ESXHOST vmkernel: cpu32:36501)WARNING: ScsiDeviceIO: 1218: Device naa.50002ac0028a202b performance has deteriorated. I/O latency increased from average value of 5156 microseconds to 2222967 microseconds.
When looking at the backing 3par storage system we can't find any events that can back these findings. are there any other way i can find out if the numbers are correct?