I have a vSphere cluster connected to MD3000i and its configured by the book on two different subnets for each port on each controler. Round robin is enabled for multi pahing on VC.
this is what i am seeing in vmkernel log
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.613 cpu4:6882)ScsiScan: 839: Path 'vmhba33:C0:T0:L0': Vendor: 'DELL ' Model: 'MD3000i ' Rev: '0735'
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.613 cpu4:6882)ScsiScan: 842: Path 'vmhba33:C0:T0:L0': Type: 0x0, ANSI rev: 5, TPGS: 0 (none)
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.613 cpu4:6882)ScsiScan: 105: Path 'vmhba33:C0:T0:L0': Peripheral qualifier 0x1 not supported
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.618 cpu4:6882)ScsiScan: 839: Path 'vmhba33:C1:T0:L0': Vendor: 'DELL ' Model: 'MD3000i ' Rev: '0735'
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.618 cpu4:6882)ScsiScan: 842: Path 'vmhba33:C1:T0:L0': Type: 0x0, ANSI rev: 5, TPGS: 0 (none)
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.618 cpu4:6882)ScsiScan: 105: Path 'vmhba33:C1:T0:L0': Peripheral qualifier 0x1 not supported
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.623 cpu4:6882)ScsiScan: 839: Path 'vmhba33:C2:T0:L0': Vendor: 'DELL ' Model: 'MD3000i ' Rev: '0735'
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.623 cpu4:6882)ScsiScan: 842: Path 'vmhba33:C2:T0:L0': Type: 0x0, ANSI rev: 5, TPGS: 0 (none)
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.623 cpu4:6882)ScsiScan: 105: Path 'vmhba33:C2:T0:L0': Peripheral qualifier 0x1 not supported
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.628 cpu4:6882)ScsiScan: 839: Path 'vmhba33:C3:T0:L0': Vendor: 'DELL ' Model: 'MD3000i ' Rev: '0735'
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.628 cpu4:6882)ScsiScan: 842: Path 'vmhba33:C3:T0:L0': Type: 0x0, ANSI rev: 5, TPGS: 0 (none)
Sep 21 16:19:29 db-esx2 vmkernel: 6:04:15:02.628 cpu4:6882)ScsiScan: 105: Path 'vmhba33:C3:T0:L0': Peripheral qualifier 0x1 not supported
I see this on both hosts vmkernel log...
should i be concerned. Its not necesserely showing error but :" Peripheral qualifier 0x1 not supported " is getting my attention.