Michael Kublin has submitted this change and it was merged. Change subject: engine: Improved host life cycle ...................................................................... engine: Improved host life cycle The following patch is introducing a folloing improvements: 1. By adding HostStoragePoolParametersBase class, it is possible to pass vds and storage pool to command and no need to perform additional query at command Benefit, reduced two queries at ConnectHostToStoragePoolServersCommand and at DisconnectHostFromStoragePoolServersCommand 2. From now DisconnectHostFromStoragePoolServersCommand running with out openning transaction, no need , DB is not updated so no need for global transaction. Benefit - less long transaction during moving host to maintainance 3. Removed canDoAction of DisconnectHostFromStoragePoolServersCommand, usually will be true, reason it is useless. Benefit - less useless code, less useless checks Change-Id: I14b07f4568a78e4da359c1ac3bfd8417550574d7 Signed-off-by: Michael Kublin <mkublin(a)redhat.com&gt; --- M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/InitVdsOnUpCommand.java M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/MaintananceVdsCommand.java M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/storage/ConnectHostToStoragePoolServersCommand.java M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/storage/DisconnectHostFromStoragePoolServersCommand.java A backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/action/HostStoragePoolParametersBase.java M backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/action/StoragePoolParametersBase.java 6 files changed, 71 insertions(+), 40 deletions(-) Approvals: Michael Kublin: Verified; Looks good to me, approved -- To view, visit http://gerrit.ovirt.org/11308 To unsubscribe, visit http://gerrit.ovirt.org/settings Gerrit-MessageType: merged Gerrit-Change-Id: I14b07f4568a78e4da359c1ac3bfd8417550574d7 Gerrit-PatchSet: 2 Gerrit-Project: ovirt-engine Gerrit-Branch: master Gerrit-Owner: Michael Kublin <mkublin(a)redhat.com&gt; Gerrit-Reviewer: Allon Mureinik <amureini(a)redhat.com&gt; Gerrit-Reviewer: Barak Azulay <bazulay(a)redhat.com&gt; Gerrit-Reviewer: Eli Mesika <emesika(a)redhat.com&gt; Gerrit-Reviewer: Michael Kublin <mkublin(a)redhat.com&gt; Gerrit-Reviewer: Yair Zaslavsky <yzaslavs(a)redhat.com&gt;