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Hello.
It depends on cinder driver.
https://docs.openstack.org/cinder/latest/drivers.html


On Wed, Apr 12, 2023, 11:45 PM wodel youchi <wodel.youchi at gmail.com> wrote:

> Hi,
>
> Any thoughts?
>
> Regards.
>
> Le mar. 11 avr. 2023 à 13:15, wodel youchi <wodel.youchi at gmail.com> a
> écrit :
>
>> Hi,
>>
>> What do you mean by controller status?
>>
>> After some digging I found that, when using
>> cinder.volume.drivers.lvm.LVMVolumeDriver, it seems that cinder searches
>> for the VG, and the VG must exist.
>> Seeing some examples like this [1], it's like the configuration is made
>> to expose a local disk as an iscsi LUN.
>>
>> The VG was created on a local disk, then it was exposed as LUN. So just
>> to be sure, is cinder.volume.drivers.lvm.LVMVolumeDriver with
>> target_protocol = iscsi, intended to expose a local VG on compute nodes as
>> iscsi LUNs?
>>
>> My other question is : Can I configure cinder with  Tagetcli as external
>> iscsi storage?
>>
>>
>> [1] :
>> https://www.server-world.info/en/note?os=CentOS_Stream_8&p=openstack_yoga2&f=12
>>
>> Regards.
>>
>>
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>>
>> On Mon, Apr 10, 2023, 06:33 Nguyễn Hữu Khôi <nguyenhuukhoinw at gmail.com>
>> wrote:
>>
>>> what is your controller status?
>>> Nguyen Huu Khoi
>>>
>>>
>>> On Sun, Apr 9, 2023 at 10:36 PM wodel youchi <wodel.youchi at gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>> I am trying to configure cinder to connect to an iscsi target. I am
>>>> using targetcli as my target server.
>>>>
>>>> I have tested the connection from the node using iscsiadm and it works
>>>> from the OS.
>>>>
>>>> Now I am trying to use the iscsid container to do the job.
>>>>
>>>> I added this to my globals.yml
>>>> enable_iscsid: "yes"
>>>> enable_cinder_backend_iscsi: "yes"
>>>> enable_cinder_backend_lvm: "no"
>>>>
>>>> And I created the cinder.conf file like this
>>>> [DEFAULT]
>>>> enabled_backends = rbd1,nfs-1,*lvmtnas *
>>>>
>>>> # add follows to the end
>>>> [lvmtnas]
>>>> target_helper = lioadm
>>>> target_protocol = iscsi
>>>> target_ip_address = 20.1.0.32 (my target server)
>>>> volume_backend_name = lvmtnas
>>>> # volume group name created
>>>> volume_group = *vg_volume01 *
>>>> volume_driver = cinder.volume.drivers.lvm.LVMVolumeDriver
>>>> use_chap_auth = false
>>>>
>>>> I did create the vg_volume01 on the LUN prior to the test.
>>>>
>>>> I did a deploy, the container has been created, but nothing happened,
>>>> it's like I am missing something.
>>>>
>>>> docker logs iscsid fome one the compute nodes
>>>> + sudo -E kolla_set_configs
>>>> INFO:__main__:Loading config file at
>>>> /var/lib/kolla/config_files/config.json
>>>> INFO:__main__:Validating config file
>>>> INFO:__main__:Kolla config strategy set to: COPY_ALWAYS
>>>> INFO:__main__:Copying service configuration files
>>>> INFO:__main__:Writing out command to execute
>>>> ++ cat /run_command
>>>> + CMD='iscsid -d 8 -f'
>>>> + ARGS=
>>>> + sudo kolla_copy_cacerts
>>>> + [[ ! -n '' ]]
>>>> + . kolla_extend_start
>>>> ++ [[ ! -f /etc/iscsi/initiatorname.iscsi ]]
>>>> + echo 'Running command: '\''iscsid -d 8 -f'\'''
>>>> + exec iscsid -d 8 -f
>>>> Running command: 'iscsid -d 8 -f'
>>>> iscsid: sysfs_init: sysfs_path='/sys'
>>>> iscsid: in ctldev_open
>>>> iscsid: created NETLINK_ISCSI socket...
>>>> iscsid: InitiatorName=iqn.1994-05.com.redhat:2a318909ad8
>>>> iscsid: InitiatorName=iqn.1994-05.com.redhat:2a318909ad8
>>>> iscsid: InitiatorAlias=computehci01
>>>> iscsid: Max file limits 1048576 1048576
>>>> iscsid: current time 258465
>>>> iscsid: nothing on pend_list, deactivating alarm
>>>>
>>>>
>>>> Any idea?
>>>>
>>>> Regards.
>>>>
>>>
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