My setup : oVirt 4.3.1 HC on Centos 7.6, everything up2date
I try to create a new iSCSI Domain. It's a new LUN/Target created on synology bay, no CHAP (I tried with CHAP too but that does not help)

I first entered the syno's address and clicked discover
I saw the existing Targets ; I clicked on the arrow on the right. I then get the following Error :
"Error while executing action: Failed to setup iSCSI subsystem"

In hosts logs, I get 
conn 0 login rejected: initiator error (02/00)
Connection1:0 to [target: iqn.2000-01.com.synology:SVC-STO-FR-301.Target-2.2dfed4a32a, portal: 10.199.9.16,3260] through [iface: default] is shutdown.

In engine logs, I get :

2019-03-12 14:33:35,504+01 INFO  [org.ovirt.engine.core.bll.storage.connection.ConnectStorageToVdsCommand] (default task-24) [85d27833-b5d5-4bc8-b43c-88d980c30333] Running command: ConnectStorageToVdsCommand
 internal: false. Entities affected :  ID: aaa00000-0000-0000-0000-123456789aaa Type: SystemAction group CREATE_STORAGE_DOMAIN with role type ADMIN
2019-03-12 14:33:35,511+01 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStorageServerVDSCommand] (default task-24) [85d27833-b5d5-4bc8-b43c-88d980c30333] START, ConnectStorageServerVDSCommand(Host
Name = ps-inf-int-kvm-fr-305-210.hostics.fr, StorageServerConnectionManagementVDSParameters:{hostId='6958c4f7-3716-40e4-859a-bfce2f6dbdba', storagePoolId='00000000-0000-0000-0000-000000000000', storageType='
ISCSI', connectionList='[StorageServerConnections:{id='null', connection='10.199.9.16', iqn='iqn.2000-01.com.synology:SVC-STO-FR-301.Target-2.2dfed4a32a', vfsType='null', mountOptions='null', nfsVersion='nul
l', nfsRetrans='null', nfsTimeo='null', iface='null', netIfaceName='null'}]', sendNetworkEventOnFailure='true'}), log id: 7f36d8a9
2019-03-12 14:33:36,302+01 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStorageServerVDSCommand] (default task-24) [85d27833-b5d5-4bc8-b43c-88d980c30333] FINISH, ConnectStorageServerVDSCommand, re
turn: {00000000-0000-0000-0000-000000000000=465}, log id: 7f36d8a9
2019-03-12 14:33:36,310+01 ERROR [org.ovirt.engine.core.bll.storage.connection.ISCSIStorageHelper] (default task-24) [85d27833-b5d5-4bc8-b43c-88d980c30333] The connection with details '00000000-0000-0000-0000-000000000000' failed because of error code '465' and error message is: failed to setup iscsi subsystem
2019-03-12 14:33:36,315+01 ERROR [org.ovirt.engine.core.bll.storage.connection.ConnectStorageToVdsCommand] (default task-24) [85d27833-b5d5-4bc8-b43c-88d980c30333] Transaction rolled-back for command 'org.ovirt.engine.core.bll.storage.connection.ConnectStorageToVdsCommand'.
2019-03-12 14:33:36,676+01 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.GetDeviceListVDSCommand] (default task-24) [70251a16-0049-4d90-a67c-653b229f7639] START, GetDeviceListVDSCommand(HostName = ps-inf-int-kvm-fr-305-210.hostics.fr, GetDeviceListVDSCommandParameters:{hostId='6958c4f7-3716-40e4-859a-bfce2f6dbdba', storageType='ISCSI', checkStatus='false', lunIds='null'}), log id: 539fb345
2019-03-12 14:33:36,995+01 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.GetDeviceListVDSCommand] (default task-24) [70251a16-0049-4d90-a67c-653b229f7639] FINISH, GetDeviceListVDSCommand, return: [], log id: 539fb345




Guillaume Pavese
Ingénieur Système et Réseau
Interactiv-Group