I am having an unusual slowdown using VMware with ISCSI gws. I have two ISCSI gateways with two RBD images. I have checked the following in the logs:

Dec 24 09:00:26 ceph-iscsi2 tcmu-runner: 2019-12-24 09:00:26.040 969 [INFO] alua_implicit_transition:562 rbd/pool1.vmware_iscsi1: Starting lock acquisition operation.2019-12-24 09:00:26.040 969 [INFO] alua_implicit_transition:557 rbd/pool1.vmware_iscsi1: Lock acquisition operation is already in process.2019-12-24 09:00:26.973 969 [WARN] tcmu_rbd_lock:744 rbd/pool1.vmware_iscsi1: Acquired exclusive lock.
Dec 24 09:00:26 ceph-iscsi2 tcmu-runner: tcmu_rbd_lock:744 rbd/pool1.vmware_iscsi1: Acquired exclusive lock.
Dec 24 09:00:28 ceph-iscsi2 tcmu-runner: 2019-12-24 09:00:28.099 969 [WARN] tcmu_notify_lock_lost:201 rbd/pool1.vmware_iscsi1: Async lock drop. Old state 1
Dec 24 09:00:28 ceph-iscsi2 tcmu-runner: tcmu_notify_lock_lost:201 rbd/pool1.vmware_iscsi1: Async lock drop. Old state 1
Dec 24 09:00:28 ceph-iscsi2 tcmu-runner: alua_implicit_transition:562 rbd/pool1.vmware_iscsi1: Starting lock acquisition operation.
Dec 24 09:00:28 ceph-iscsi2 tcmu-runner: 2019-12-24 09:00:28.824 969 [INFO] alua_implicit_transition:562 rbd/pool1.vmware_iscsi1: Starting lock acquisition operation.2019-12-24 09:00:28.990 969 [WARN] tcmu_rbd_lock:744 rbd/pool1.vmware_iscsi1: Acquired exclusive lock.
Dec 24 09:00:28 ceph-iscsi2 tcmu-runner: tcmu_rbd_lock:744 rbd/pool1.vmware_iscsi1: Acquired exclusive lock.

Can anyone help-me please?

Gesiel