I have three ESXi 4 hosts and a dual NSM P4300 G2 7.2TB iSCSI SAN. We had one iSCSI vmkernel port. After reading the VMware iSCSI documentation I followed the instructions to create a second and bind both to the iSCSI software adapter. After doing this I now have three paths per iSCSI LUN. ?!?!? I'm expecting to only see two per LUN. What's going on and where did these extra paths come from? I also see three connections to the SAN from the ESXi host that I changed. iSCSI is working but I have a bad feeling something isn't configured correctly.
Here is the output of esxcli swiscsi nic list
vmk2
pNic name: vmnic8
ipv4 address: 172.30.10.101
ipv4 net mask: 255.255.255.0
ipv6 addresses:
mac address: 00:25:b3:00:d9:1c
mtu: 1500
toe: false
tso: true
tcp checksum: false
vlan: true
link connected: true
ethernet speed: 1000
packets received: 2458414
packets sent: 116522
NIC driver: nx_nic
driver version: 4.0.407
firmware version: 4.0.516
vmk3
pNic name: vmnic4
ipv4 address: 172.30.10.111
ipv4 net mask: 255.255.255.0
ipv6 addresses:
mac address: 00:25:b3:00:2a:a0
mtu: 1500
toe: false
tso: true
tcp checksum: false
vlan: true
link connected: true
ethernet speed: 1000
packets received: 14412374
packets sent: 1061355
NIC driver: nx_nic
driver version: 4.0.407
firmware version: 4.0.516
Here is the output of esxcli nmp path list
iqn.1998-01.com.vmware:esx1-693ac827-00023d000002,iqn.2003-10.com.lefthandnetwor
ks:mg1:18:cl0vol0,t,1-naa.6000eb3818ba7e5c0000000000000012
Runtime Name: vmhba32:C1:T0:L0
Device: naa.6000eb3818ba7e5c0000000000000012
Device Display Name: LEFTHAND iSCSI Disk (naa.6000eb3818ba7e5c0000000000000012
)
Group State: active
Storage Array Type Path Config:
Path Selection Policy Path Config:
iqn.1998-01.com.vmware:esx1-693ac827-00023d000001,iqn.2003-10.com.lefthandnetwor
ks:mg1:18:cl0vol0,t,1-naa.6000eb3818ba7e5c0000000000000012
Runtime Name: vmhba32:C0:T0:L0
Device: naa.6000eb3818ba7e5c0000000000000012
Device Display Name: LEFTHAND iSCSI Disk (naa.6000eb3818ba7e5c0000000000000012
)
Group State: active
Storage Array Type Path Config:
Path Selection Policy Path Config:
sas.50123456789abcde-sas.123456789abcde-naa.600508b1001037383941424344450300
Runtime Name: vmhba0:C0:T0:L0
Device: naa.600508b1001037383941424344450300
Device Display Name: HP Serial Attached SCSI Disk (naa.600508b1001037383941424
344450300)
Group State: active
Storage Array Type Path Config:
Path Selection Policy Path Config:
iqn.1998-01.com.vmware:esx1-693ac827-00023d000003,iqn.2003-10.com.lefthandnetwor
ks:mg1:45:cl0vol2,t,1-naa.6000eb3818ba7e5c000000000000002d
Runtime Name: vmhba32:C2:T2:L0
Device: naa.6000eb3818ba7e5c000000000000002d
Device Display Name: LEFTHAND iSCSI Disk (naa.6000eb3818ba7e5c000000000000002d
)
Group State: active
Storage Array Type Path Config:
Path Selection Policy Path Config:
iqn.1998-01.com.vmware:esx1-693ac827-00023d000002,iqn.2003-10.com.lefthandnetwor
ks:mg1:45:cl0vol2,t,1-naa.6000eb3818ba7e5c000000000000002d
Runtime Name: vmhba32:C1:T2:L0
Device: naa.6000eb3818ba7e5c000000000000002d
Device Display Name: LEFTHAND iSCSI Disk (naa.6000eb3818ba7e5c000000000000002d
)
Group State: active
Storage Array Type Path Config:
Path Selection Policy Path Config:
iqn.1998-01.com.vmware:esx1-693ac827-00023d000001,iqn.2003-10.com.lefthandnetwor
ks:mg1:45:cl0vol2,t,1-naa.6000eb3818ba7e5c000000000000002d
Runtime Name: vmhba32:C0:T2:L0
Device: naa.6000eb3818ba7e5c000000000000002d
Device Display Name: LEFTHAND iSCSI Disk (naa.6000eb3818ba7e5c000000000000002d
)
Group State: active
Storage Array Type Path Config:
Path Selection Policy Path Config:
iqn.1998-01.com.vmware:esx1-693ac827-00023d000003,iqn.2003-10.com.lefthandnetwor
ks:mg1:29:cl0vol1,t,1-naa.6000eb3818ba7e5c000000000000001d
Runtime Name: vmhba32:C2:T1:L0
Device: naa.6000eb3818ba7e5c000000000000001d
Device Display Name: LEFTHAND iSCSI Disk (naa.6000eb3818ba7e5c000000000000001d
)
Group State: active
Storage Array Type Path Config:
Path Selection Policy Path Config:
iqn.1998-01.com.vmware:esx1-693ac827-00023d000002,iqn.2003-10.com.lefthandnetwor
ks:mg1:29:cl0vol1,t,1-naa.6000eb3818ba7e5c000000000000001d
Runtime Name: vmhba32:C1:T1:L0
Device: naa.6000eb3818ba7e5c000000000000001d
Device Display Name: LEFTHAND iSCSI Disk (naa.6000eb3818ba7e5c000000000000001d
)
Group State: active
Storage Array Type Path Config:
Path Selection Policy Path Config:
iqn.1998-01.com.vmware:esx1-693ac827-00023d000001,iqn.2003-10.com.lefthandnetwor
ks:mg1:29:cl0vol1,t,1-naa.6000eb3818ba7e5c000000000000001d
Runtime Name: vmhba32:C0:T1:L0
Device: naa.6000eb3818ba7e5c000000000000001d
Device Display Name: LEFTHAND iSCSI Disk (naa.6000eb3818ba7e5c000000000000001d
)
Group State: active
Storage Array Type Path Config:
Path Selection Policy Path Config:
iqn.1998-01.com.vmware:esx1-693ac827-00023d000003,iqn.2003-10.com.lefthandnetwor
ks:mg1:18:cl0vol0,t,1-naa.6000eb3818ba7e5c0000000000000012
Runtime Name: vmhba32:C2:T0:L0
Device: naa.6000eb3818ba7e5c0000000000000012
Device Display Name: LEFTHAND iSCSI Disk (naa.6000eb3818ba7e5c0000000000000012
)
Group State: active
Storage Array Type Path Config:
Path Selection Policy Path Config:
