Dear All,
We are having two ESX 4.1. server with NETAPP iSCSI storage attached. We are getting freqauent storage path redudancy alert for one of server. However data store is connected and no issue found.
Error observer in log file is --
Mar 26 16:32:32 sv008035 vmkernel: 215:05:53:20.714 cpu8:50471)NMP: nmp_CompleteCommandForPath: Command 0x2a (0x4102bf2ba740) to NMP device "naa.60a9800050344
3422f6f645446343031" failed on physical path "vmhba38:C0:T0:L1" H:0x5 D:0x0 P:0x0 Possible sense data: 0x2 0x3a 0x1.
Mar 26 16:32:32 sv008035 vmkernel: 215:05:53:20.714 cpu8:50471)WARNING: NMP: nmp_DeviceRequestFastDeviceProbe: NMP device "naa.60a98000503443422f6f64544634303
1" state in doubt; requested fast path state update...
Mar 26 16:32:32 sv008035 vmkernel: 215:05:53:20.714 cpu8:50471)ScsiDeviceIO: 1672: Command 0x2a to device "naa.60a98000503443422f6f645446343031" failed H:0x5
D:0x0 P:0x0 Possible sense data: 0x2 0x3a 0x1.
Mar 26 16:33:13 sv008035 vmkernel: 215:05:54:02.061 cpu8:50471)NMP: nmp_CompleteCommandForPath: Command 0x2a (0x4102bfa0ac40) to NMP device "naa.60a9800050344
3422f6f645446343031" failed on physical path "vmhba38:C0:T0:L1" H:0x5 D:0x0 P:0x0 Possible sense data: 0x2 0x3a 0x1.
Mar 26 16:33:13 sv008035 vmkernel: 215:05:54:02.061 cpu8:50471)WARNING: NMP: nmp_DeviceRequestFastDeviceProbe: NMP device "naa.60a98000503443422f6f64544634303
1" state in doubt; requested fast path state update...
Mar 26 16:33:13 sv008035 vmkernel: 215:05:54:02.061 cpu8:50471)ScsiDeviceIO: 1672: Command 0x2a to device "naa.60a98000503443422f6f645446343031" failed H:0x5
D:0x0 P:0x0 Possible sense data: 0x2 0x3a 0x1.
Mar 26 16:33:40 sv008035 vmkernel: 215:05:54:29.079 cpu8:50471)NMP: nmp_CompleteCommandForPath: Command 0x2a (0x4102bfa14940) to NMP device "naa.60a9800050344
3422f6f645446343031" failed on physical path "vmhba38:C0:T0:L1" H:0x5 D:0x0 P:0x0 Possible sense data: 0x2 0x3a 0x1.
Mar 26 16:33:40 sv008035 vmkernel: 215:05:54:29.079 cpu8:50471)WARNING: NMP: nmp_DeviceRequestFastDeviceProbe: NMP device "naa.60a98000503443422f6f64544634303
1" state in doubt; requested fast path state update...
Mar 26 16:33:40 sv008035 vmkernel: 215:05:54:29.079 cpu8:50471)ScsiDeviceIO: 1672: Command 0x2a to device "naa.60a98000503443422f6f645446343031" failed H:0x5
D:0x0 P:0x0 Possible sense data: 0x2 0x3a 0x1.
Mar 26 16:34:13 sv008035 vmkernel: 215:05:55:02.432 cpu5:50454)VMW_VAAIP_NETAPP: netapp_claim_device: Device naa.60a98000503443422f6f645446343031 (NETAPP :LU
N ) not supported
This alert are generated every 5 min. When checked on VMware KB article, this is cosmetic issue and no impact will occur on ESX host. Solution given for this is to Upgrade ESX host in KB Article.
From storage end, there is no issue observed.
Please suggest, if any solution other than ESX upgrade