I m get i/o latency on from the storage
2014-05-27T06:26:44.441Z cpu22:57431)ScsiDeviceIO: 1204: Device eui.304c397836343653 performance has improved. I/O latency reduced from 468909 microseconds to 229810 microseconds.
2014-05-27T06:27:14.916Z cpu6:1103322)WARNING: ScsiDeviceIO: 1224: Device eui.304c397836343653 performance has deteriorated. I/O latency increased from average value of 116694 microseconds to 2512396 microseconds.
2014-05-27T06:27:14.925Z cpu11:8203)WARNING: ScsiDeviceIO: 1224: Device eui.304c397836343653 performance has deteriorated. I/O latency increased from average value of 116694 microseconds to 6333005 microseconds.
2014-05-27T06:27:15.355Z cpu9:8201)ScsiDeviceIO: 1204: Device eui.304c397836343653 performance has improved. I/O latency reduced from 6333005 microseconds to 1257520 microseconds.
2014-05-27T06:27:15.556Z cpu5:1103324)ScsiDeviceIO: 1204: Device eui.304c397836343653 performance has improved. I/O latency reduced from 1257520 microseconds to 244217 microseconds.
2014-05-27T06:27:15.564Z cpu7:841499)ScsiDeviceIO: 1204: Device eui.304c397836343653 performance has improved. I/O latency reduced from 244217 microseconds to 231832 microseconds.
2014-05-27T06:27:21.879Z cpu23:57431)WARNING: ScsiDeviceIO: 1224: Device eui.304c397836343653 performance has deteriorated. I/O latency increased from average value of 116697 microseconds to 2474517 microseconds.
2014-05-27T06:27:22.122Z cpu10:57156)ScsiDeviceIO: 1204: Device eui.304c397836343653 performance has improved. I/O latency reduced from 2474517 microseconds to 488562 microseconds.
2014-05-27T06:27:22.829Z cpu2:1103324)ScsiDeviceIO: 1204: Device eui.304c397836343653 performance has improved. I/O latency reduced from 488562 microseconds to 232052 microseconds.
2014-05-27T06:27:30.807Z cpu6:8198)WARNING: ScsiDeviceIO: 1224: Device eui.304c397836343653 performance has deteriorated. I/O latency increased from average value of 116700 microseconds to 2384458 microseconds.
2014-05-27T06:27:30.868Z cpu2:841501)ScsiDeviceIO: 1204: Device eui.304c397836343653 performance has improved. I/O latency reduced from 2384458 microseconds to 471383 microseconds.
2014-05-27T06:27:30.979Z cpu2:1103324)ScsiDeviceIO: 1204: Device eui.304c397836343653 performance has improved. I/O latency reduced from 471383 microseconds to 230272 microseconds.
2014-05-27T06:27:35.553Z cpu7:57430)WARNING: ScsiDeviceIO: 1224: Device eui.304c397836343653 performance has deteriorated. I/O latency increased from average value of 116699 microseconds to 2365955 microseconds.
2014-05-27T06:27:36.735Z cpu7:1103330)ScsiDeviceIO: 1204: Device eui.304c397836343653 performance has improved. I/O latency reduced from 2365955 microseconds to 459709 microseconds.
After getting these above errors …I m losing datastores …It’s on all datastore (same array) …
Below error shows how its retrying to add those datastores ……
2014-05-27T06:27:47.143Z cpu13:1265594)NMP: nmp_ThrottleLogForDevice:2319: Cmd 0x2a (0x4124011e6180, 8216) to dev "eui.61305372666a416b" on path "vmhba38:C1:T2:L0" Failed: H:0x5 D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. Act:EVAL
2014-05-27T06:27:47.143Z cpu13:1265594)WARNING: NMP: nmp_DeviceRequestFastDeviceProbe:237:NMP device "eui.61305372666a416b" state in doubt; requested fast path state update...
2014-05-27T06:27:47.143Z cpu13:1265594)ScsiDeviceIO: 2318: Cmd(0x4124011e6180) 0x2a, CmdSN 0x18fb2 from world 8216 to dev "eui.61305372666a416b" failed H:0x5 D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0.
2014-05-27T06:27:51.597Z cpu13:1265594)WARNING: NMP: nmp_DeviceRequestFastDeviceProbe:237:NMP device "eui.61305372666a416b" state in doubt; requested fast path state update...
2014-05-27T06:27:51.597Z cpu13:1265594)ScsiDeviceIO: 2331: Cmd(0x4124064d65c0) 0x2a, CmdSN 0x18fb3 from world 8216 to dev "eui.61305372666a416b" failed H:0x5 D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0.
2014-05-27T06:27:51.667Z cpu12:8227)ScsiDeviceIO: 2300: Cmd(0x412400958540) 0x2a, CmdSN 0x80000075 from world 1103291 to dev "eui.61305372666a416b" failed H:0x8 D:0x0 P:0x0
2014-05-27T06:27:51.667Z cpu12:8227)ScsiDeviceIO: 2300: Cmd(0x412400958340) 0x2a, CmdSN 0x80000015 from world 1103291 to dev "eui.61305372666a416b" failed H:0x8 D:0x0 P:0x0
2014-05-27T06:27:51.667Z cpu12:8227)ScsiDeviceIO: 2300: Cmd(0x4124039263c0) 0x2a, CmdSN 0x80000042 from world 1103291 to dev "eui.61305372666a416b" failed H:0x8 D:0x0 P:0x0
2014-05-27T06:27:51.667Z cpu12:8227)ScsiDeviceIO: 2300: Cmd(0x412401c8c780) 0x2a, CmdSN 0x8000002e from world 1103291 to dev "eui.61305372666a416b" failed H:0x8 D:0x0 P:0x0
2014-05-27T06:27:51.667Z cpu12:8227)ScsiDeviceIO: 2300: Cmd(0x412400ae8fc0) 0x2a, CmdSN 0x8000003e from world 1103291 to dev "eui.61305372666a416b" failed H:0x8 D:0x0 P:0x0
2014-05-27T06:27:51.667Z cpu12:8227)ScsiDeviceIO: 2300: Cmd(0x412403933cc0) 0x2a, CmdSN 0x80000041 from world 1103291 to dev "eui.61305372666a416b" failed H:0x8 D:0x0 P:0x0
2014-05-27T06:27:51.667Z cpu12:8227)ScsiDeviceIO: 2300: Cmd(0x412400ae80c0) 0x2a, CmdSN 0x80000033 from world 1103291 to dev "eui.61305372666a416b" failed H:0x8 D:0x0 P:0x0
My question is "failed H:0x8 D:0x0 P:0x0 " what this indicates ...is it a host issue or storage issue
one of the vmware blog tell me that its " This status is returned when the HBA driver has aborted the I/O. It can also occur if the HBA does a reset of the target." and some other blog says it's a storage array controller issue "https://communities.vmware.com/message/1695876 "
I m running host with ESXi 5.1 update 1 and my storage array arcastor SSD iscsi san. Can anyone please help with this issue ..? let me know if you need more details
Thank you