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  over 8 years ago by tsaupe | Reply

  Will look into ip routing inside a network bridge to be able to split off fcoe traffic from the vm and send it to a dedicated interface on the host.

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Will look into ip routing inside a network bridge to be able to split off fcoe traffic from the vm and send it to a dedicated interface on the host.
 
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Will look into ip routing inside a network bridge to be able to split off fcoe traffic from the vm and send it to a dedicated interface on the host.
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  over 8 years ago by hreinecke | Reply

  So, after some experimenting I've got it to run (sort of).

  Trick 1: Network configuration. qemu needs to run with a bridge (eg br0). Then you need to create a 'veth' pair, which will be used for the lio FC target interface:

  ip link add dev fcoe0 type veth peer name fcoe1 ip link set addr 0c:fd:37:d4:44:7a dev fcoe0 ip link set addr 0c:fd:37:58:b4:60 dev fcoe1 ip link set fcoe1 master br0 ip link set dev fcoe1 up ip link set dev fcoe0 up

  And you need to enable forwarding, otherwise none of the attached interfaces can see each other:

  sysctl -w net.ipv4.conf.all.forwarding=1

  Then you can use the 'fcoe0' interface for FCoE traffic:

  modprobe fcoe echo fcoe0 > /sys/bus/fcoe/ctlr_create

  Now you need to switch it to VN2VN mode:

  echo vn2vn > /sys/bus/fcoe/devices/ctlr_0/mode

  and start FCoE:

  echo 1 > /sys/bus/fcoe/devices/ctlr_0/enable

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So, after some experimenting I've got it to run (sort of). Trick 1: Network configuration. qemu needs to run with a bridge (eg br0). Then you need to create a 'veth' pair, which will be used for the lio FC target interface: ip link add dev fcoe0 type veth peer name fcoe1 ip link set addr 0c:fd:37:d4:44:7a dev fcoe0 ip link set addr 0c:fd:37:58:b4:60 dev fcoe1 ip link set fcoe1 master br0 ip link set dev fcoe1 up ip link set dev fcoe0 up And you need to enable forwarding, otherwise none of the attached interfaces can see each other: sysctl -w net.ipv4.conf.all.forwarding=1 Then you can use the 'fcoe0' interface for FCoE traffic: modprobe fcoe echo fcoe0 > /sys/bus/fcoe/ctlr_create Now you need to switch it to VN2VN mode: echo vn2vn > /sys/bus/fcoe/devices/ctlr_0/mode and start FCoE: echo 1 > /sys/bus/fcoe/devices/ctlr_0/enable
 
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So, after some experimenting I've got it to run (sort of).
Trick 1: Network configuration. qemu needs to run with a bridge (eg br0). Then you need to create a 'veth' pair, which will be used for the lio FC target interface:
ip link add dev fcoe0 type veth peer name fcoe1 ip link set addr 0c:fd:37:d4:44:7a dev fcoe0 ip link set addr 0c:fd:37:58:b4:60 dev fcoe1 ip link set fcoe1 master br0 ip link set dev fcoe1 up ip link set dev fcoe0 up
And you need to enable forwarding, otherwise none of the attached interfaces can see each other:
sysctl -w net.ipv4.conf.all.forwarding=1
Then you can use the 'fcoe0' interface for FCoE traffic:
modprobe fcoe echo fcoe0 > /sys/bus/fcoe/ctlr_create
Now you need to switch it to VN2VN mode:
echo vn2vn > /sys/bus/fcoe/devices/ctlr_0/mode
and start FCoE:
echo 1 > /sys/bus/fcoe/devices/ctlr_0/enable
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  over 8 years ago by tsaupe | Reply

  Finally got it also working using this config file on both machines: --<-- kvm200-10:/ # cat /etc/fcoe/cfg-vlan100

  Type: yes/no

  Default: no

  Enable/Disable FCoE service at the Ethernet port

  Normally set to "yes"

  FCOE_ENABLE="yes"

  Type: yes/no

  Default: no

  Indicate if DCB service is required at the Ethernet port

  Normally set to "yes"

  DCB_REQUIRED="no"

  Type: yes/no

  Default: no

  Indicate if VLAN discovery should be handled by fcoemon

  Normally set to "yes"

  AUTO_VLAN="yes"

  Type: fabric/vn2vn

  Default: fabric

  Indicate the mode of the FCoE operation, either fabric or vn2vn

  Normally set to "fabric"

  MODE="vn2vn"

  Type: yes/no

  Default: no

  Indicate whether to run a FIP responder for VLAN discovery in vn2vn mode

  FIP_RESP="yes" -->--

  and this script to setup the lio target:

  -->-- kvm200-10:/ # cat /root/scripts/add-lio-fcoe-device-new.sh

  !/bin/sh

  targetcli tcm_fc/ info

  targetcli backstores/iblock create name=fcoedisk1 dev=/dev/sdb

  targetcli /tcmfc create 20:00:52:54:00:a2:4f:7b targetcli /tcmfc/20:00:52:54:00:a2:4f:7b/luns/ create /backstores/iblock/fcoedisk1 targetcli /tcm_fc/20:00:52:54:00:a2:4f:7b/acls/ create 20:00:52:54:00:9a:f0:d8

  targetcli ls / --<--

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Finally got it also working using this config file on both machines: --<-- kvm200-10:/ # cat /etc/fcoe/cfg-vlan100 ## Type: yes/no ## Default: no # Enable/Disable FCoE service at the Ethernet port # Normally set to "yes" FCOE_ENABLE="yes" ## Type: yes/no ## Default: no # Indicate if DCB service is required at the Ethernet port # Normally set to "yes" DCB_REQUIRED="no" ## Type: yes/no ## Default: no # Indicate if VLAN discovery should be handled by fcoemon # Normally set to "yes" AUTO_VLAN="yes" ## Type: fabric/vn2vn ## Default: fabric # Indicate the mode of the FCoE operation, either fabric or vn2vn # Normally set to "fabric" MODE="vn2vn" ## Type: yes/no ## Default: no # Indicate whether to run a FIP responder for VLAN discovery in vn2vn mode FIP_RESP="yes" -->-- and this script to setup the lio target: -->-- kvm200-10:/ # cat /root/scripts/add-lio-fcoe-device-new.sh #!/bin/sh targetcli tcm_fc/ info targetcli backstores/iblock create name=fcoedisk1 dev=/dev/sdb targetcli /tcm_fc create 20:00:52:54:00:a2:4f:7b targetcli /tcm_fc/20:00:52:54:00:a2:4f:7b/luns/ create /backstores/iblock/fcoedisk1 targetcli /tcm_fc/20:00:52:54:00:a2:4f:7b/acls/ create 20:00:52:54:00:9a:f0:d8 targetcli ls / --<--
 
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Finally got it also working using this config file on both machines: --<-- kvm200-10:/ # cat /etc/fcoe/cfg-vlan100
Type: yes/no
Default: no
Enable/Disable FCoE service at the Ethernet port
Normally set to "yes"
FCOE_ENABLE="yes"
Type: yes/no
Default: no
Indicate if DCB service is required at the Ethernet port
Normally set to "yes"
DCB_REQUIRED="no"
Type: yes/no
Default: no
Indicate if VLAN discovery should be handled by fcoemon
Normally set to "yes"
AUTO_VLAN="yes"
Type: fabric/vn2vn
Default: fabric
Indicate the mode of the FCoE operation, either fabric or vn2vn
Normally set to "fabric"
MODE="vn2vn"
Type: yes/no
Default: no
Indicate whether to run a FIP responder for VLAN discovery in vn2vn mode
FIP_RESP="yes" -->--
and this script to setup the lio target:
-->-- kvm200-10:/ # cat /root/scripts/add-lio-fcoe-device-new.sh
!/bin/sh
targetcli tcm_fc/ info
targetcli backstores/iblock create name=fcoedisk1 dev=/dev/sdb
targetcli /tcmfc create 20:00:52:54:00:a2:4f:7b targetcli /tcmfc/20:00:52:54:00:a2:4f:7b/luns/ create /backstores/iblock/fcoedisk1 targetcli /tcm_fc/20:00:52:54:00:a2:4f:7b/acls/ create 20:00:52:54:00:9a:f0:d8
targetcli ls / --<--
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