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The iSCSI lun won't be set up until you try to attach the volume

On 17 July 2014 12:44, Johnson Cheng <Johnson.Cheng at qsantechnology.com> wrote:
> Dear All,
>
>
>
> I installed iSCSI target at my controller node (IP: 192.168.106.20),
>
> #>iscsitarget open-iscsi iscsitarget-dkms
>
>
>
> then modify my cinder.conf at controller node as below,
>
> [DEFAULT]
>
> rootwrap_config = /etc/cinder/rootwrap.conf
>
> api_paste_confg = /etc/cinder/api-paste.ini
>
> #iscsi_helper = tgtadm
>
> iscsi_helper = ietadm
>
> volume_name_template = volume-%s
>
> volume_group = cinder-volumes
>
> verbose = True
>
> auth_strategy = keystone
>
> #state_path = /var/lib/cinder
>
> #lock_path = /var/lock/cinder
>
> #volumes_dir = /var/lib/cinder/volumes
>
> iscsi_ip_address=192.168.106.20
>
>
>
> rpc_backend = cinder.openstack.common.rpc.impl_kombu
>
> rabbit_host = controller
>
> rabbit_port = 5672
>
> rabbit_userid = guest
>
> rabbit_password = demo
>
>
>
> glance_host = controller
>
>
>
> enabled_backends=lvmdriver-1,lvmdriver-2
>
> [lvmdriver-1]
>
> volume_group=cinder-volumes-1
>
> volume_driver=cinder.volume.drivers.lvm.LVMISCSIDriver
>
> volume_backend_name=LVM_iSCSI
>
> [lvmdriver-2]
>
> volume_group=cinder-volumes-2
>
> volume_driver=cinder.volume.drivers.lvm.LVMISCSIDriver
>
> volume_backend_name=LVM_iSCSI_b
>
> [database]
>
> connection = mysql://cinder:demo@controller/cinder
>
>
>
> [keystone_authtoken]
>
> auth_uri = http://controller:5000
>
> auth_host = controller
>
> auth_port = 35357
>
> auth_protocol = http
>
> admin_tenant_name = service
>
> admin_user = cinder
>
> admin_password = demo
>
>
>
> Now I use the following command to create a cinder volume, and it can be
> created successfully.
>
> #> cinder create --volume-type lvm_controller --display-name vol 1
>
>
>
> Unfortunately it seems not attach to a iSCSI LUN automatically because I can
> not discover it from iSCSI initiator,
>
> #> iscsiadm -m discovery -t st -p 192.168.106.20
>
>
>
> Do I miss something?
>
>
>
>
>
> Regards,
>
> Johnson
>
>
>
>
>
> From: Manickam, Kanagaraj [mailto:kanagaraj.manickam at hp.com]
> Sent: Thursday, July 17, 2014 1:19 PM
>
>
> To: OpenStack Development Mailing List (not for usage questions)
> Subject: Re: [openstack-dev] [Cinder] Integrated with iSCSI target Question
>
>
>
> I think, It should be on the cinder node which is usually deployed on the
> controller node
>
>
>
> From: Johnson Cheng [mailto:Johnson.Cheng at QsanTechnology.com]
> Sent: Thursday, July 17, 2014 10:38 AM
> To: OpenStack Development Mailing List (not for usage questions)
> Subject: [openstack-dev] [Cinder] Integrated with iSCSI target Question
>
>
>
> Dear All,
>
>
>
> I have three nodes, a controller node and two compute nodes(volume node).
>
> The default value for iscsi_helper in cinder.conf is “tgtadm”, I will change
> to “ietadm” to integrate with iSCSI target.
>
> Unfortunately I am not sure that iscsitarget should be installed at
> controller node or compute node?
>
> Have any reference?
>
>
>
>
>
> Regards,
>
> Johnson
>
>
>
>
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>



-- 
Duncan Thomas