Comment 9 for bug 1443977

Update: re-configuring of services just required reboot of nodes.

So we have on compute node with one instance running, two volumes attached and one detached:

# multipath -ll
33000000100000001 dm-3 IET,VIRTUAL-DISK
size=2.0G features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
  `- 3:0:0:1 sda 8:0 active ready running
33000000200000001 dm-4 IET,VIRTUAL-DISK
size=1.0G features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
  `- 2:0:0:1 sdb 8:16 active ready running

# iscsiadm --mode session
tcp: [1] 192.168.1.4:3260,1 iqn.2010-10.org.openstack:volume-8e65e22a-0b99-4e28-bca0-e15204fdc648
tcp: [2] 192.168.1.4:3260,1 iqn.2010-10.org.openstack:volume-8a5a8fe8-6a18-4cf1-b510-38854ed84dc4