NMP: nmp_CompleteCommandForPath: Command 0x2a (0x4102bfa78840) to NMP device "naa.6006016069302700f604b860631ee111" failed on physical path "vmhba1:C0:T0:L1" H:0x0 D:0x2 P:0x0 Valid sense data: 0x6 0x29 0x0. Jan 22 07:33:10 vmkernel: 0:00:19:16.393 cpu5:4101)ScsiDeviceIO: 1688: Command 0x2a to device "naa.6006016069302700f604b860631ee111" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0x6 0x29 0x0. Jan 22 07:33:10 vobd: Jan 22 07:33:10.989: 1156393372us: [vob.scsi.scsipath.por] Power-on Reset occurred on naa.6006016069302700f604b860631ee111. Jan 22 07:33:10 vmkernel: 0:00:19:16.393 cpu5:4101)WARNING: ScsiCore: 1355: Power-on Reset occurred on naa.6006016069302700f604b860631ee111 Jan 22 07:33:12 vmkernel: 0:00:19:18.238 cpu5:4101)NMP: nmp_CompleteCommandForPath: Command 0x2a (0x41027f178740) to NMP device "naa.6006016069302700f604b860631ee111" failed on physical path "vmhba1:C0:T0:L1" H:0x0 D:0x2 P:0x0 Valid sense data: 0x2 0x4 0x3. Jan 22 07:33:12 vmkernel: 0:00:19:18.238 cpu5:4101)WARNING: NMP: nmp_DeviceRetryCommand: Device "naa.6006016069302700f604b860631ee111": awaiting fast path state update for failover with I/O blocked. Frequent path state changes are occurring for path vmhba1:C0:T0:L1. This might indicate a storage problem. Affected device: naa.6006016069302700f604b860631ee111. Affected datastores: "SAN_2TB_RMHHQVCENTER_PROTECTED01" warning 22-Jan-12 10:43:12 AM enc6-bay7 Lost access to volume 4edb4fc0-f4a55fca-0cf3-b499baa792ea (SAN_2TB_RMHHQVCENTER_PROTECTED01) due to connectivity issues. Recovery attempt is in progress and outcome will be reported shortly. info 22-Jan-12 10:43:25 AM enc6-bay7 Successfully restored access to volume 4edb4fc0-f4a55fca-0cf3-b499baa792ea (SAN_ 2TB_RMHHQVCENTER_PROTECTED01) following connectivity issues. info 22-Jan-12 10:44:10 AM enc6-bay7