Description of problem (please be detailed as possible and provide log
snippests):

Storage Cluster installation did not start because ocs-operator was Expecting 8 node found 4

A version of all relevant components (if applicable):

OCP version:- 4.7.0-0.nightly-2021-02-09-224509
OCS version:- ocs-operator.v4.7.0-257.ci

Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?
yes

Is there any workaround available to the best of your knowledge?


Rate from 1 - 5 the complexity of the scenario you performed that caused this
bug (1 - very simple, 5 - very complex)?
1

Can this issue reproducible?
yes

Can this issue reproduce from the UI?
yes

If this is a regression, please provide more details to justify this:
yes

Steps to Reproduce:
1. Deploy OCP 4.7 
2. Deploy OCS 4.7 with arbiter enable 
3. Check for ocs-operator logs


Actual results:
# Snippet from OCS-operator logs

{"level":"error","ts":1612962614.143765,"logger":"controllers.StorageCluster","msg":"Failed to set node topology map","Request.Namespace":"openshift-storage","Request.Name":"ocs-storagecluster","error":"Not enough nodes found: Expected 8, found 4","stacktrace":"github.com/go-logr/zapr.(*zapLogger).Error\n\t/remote-source/deps/gomod/pkg/mod/github.com/go-logr/zapr.0/zapr.go:132\ngithub.com/openshift/ocs-operator/controllers/storagecluster.(*StorageClusterReconciler).reconcilePhases\n\t/remote-source/app/controllers/storagecluster/reconcile.go:277\ngithub.com/openshift/ocs-operator/controllers/storagecluster.(*StorageClusterReconciler).Reconcile\n\t/remote-source/app/controllers/storagecluster/reconcile.go:132\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).reconcileHandler\n\t/remote-source/deps/gomod/pkg/mod/sigs.k8s.io/controller-runtime.3/pkg/internal/controller/controller.go:244\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem\n\t/remote-source/deps/gomod/pkg/mod/sigs.k8s.io/controller-runtime.3/pkg/internal/controller/controller.go:218\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).worker\n\t/remote-source/deps/gomod/pkg/mod/sigs.k8s.io/controller-runtime.3/pkg/internal/controller/controller.go:197\nk8s.io/apimachinery/pkg/util/wait.BackoffUntil.func1\n\t/remote-source/deps/gomod/pkg/mod/k8s.io/apimachinery.2/pkg/util/wait/wait.go:155\nk8s.io/apimachinery/pkg/util/wait.BackoffUntil\n\t/remote-source/deps/gomod/pkg/mod/k8s.io/apimachinery.2/pkg/util/wait/wait.go:156\nk8s.io/apimachinery/pkg/util/wait.JitterUntil\n\t/remote-source/deps/gomod/pkg/mod/k8s.io/apimachinery.2/pkg/util/wait/wait.go:133\nk8s.io/apimachinery/pkg/util/wait.Until\n\t/remote-source/deps/gomod/pkg/mod/k8s.io/apimachinery.2/pkg/util/wait/wait.go:90"}



Expected results:
 

Additional info:

# oc get storagecluster 
NAME                 AGE   PHASE         EXTERNAL   CREATED AT             VERSION
ocs-storagecluster   77m   Progressing              2021-02-10T12:48:16Z   4.7.0

# oc get pods                
NAME                                    READY   STATUS    RESTARTS   AGE
noobaa-operator-56965c6578-k2hxj        1/1     Running   0          87m
ocs-metrics-exporter-75499b5ffc-jhsql   1/1     Running   0          87m
ocs-operator-577bfccff7-b24tl           1/1     Running   0          87m
rook-ceph-operator-688f677848-8pfvj     1/1     Running   0          87m


#  oc get nodes --show-labels           
NAME                                         STATUS   ROLES    AGE    VERSION           LABELS
ip-10-0-132-213.us-east-2.compute.internal   Ready    master   153m   v1.20.0+ba45583   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=m4.xlarge,beta.kubernetes.io/os=linux,failure-domain.beta.kubernetes.io/region=us-east-2,failure-domain.beta.kubernetes.io/zone=us-east-2a,kubernetes.io/arch=amd64,kubernetes.io/hostname=ip-10-0-132-213,kubernetes.io/os=linux,node-role.kubernetes.io/master=,node.kubernetes.io/instance-type=m4.xlarge,node.openshift.io/os_id=rhcos,topology.ebs.csi.aws.com/zone=us-east-2a,topology.kubernetes.io/region=us-east-2,topology.kubernetes.io/zone=us-east-2a
ip-10-0-135-243.us-east-2.compute.internal   Ready    worker   143m   v1.20.0+ba45583   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=m5.4xlarge,beta.kubernetes.io/os=linux,cluster.ocs.openshift.io/openshift-storage=,failure-domain.beta.kubernetes.io/region=us-east-2,failure-domain.beta.kubernetes.io/zone=us-east-2a,kubernetes.io/arch=amd64,kubernetes.io/hostname=ip-10-0-135-243,kubernetes.io/os=linux,node-role.kubernetes.io/worker=,node.kubernetes.io/instance-type=m5.4xlarge,node.openshift.io/os_id=rhcos,topology.ebs.csi.aws.com/zone=us-east-2a,topology.kubernetes.io/region=us-east-2,topology.kubernetes.io/zone=us-east-2a
ip-10-0-150-194.us-east-2.compute.internal   Ready    worker   143m   v1.20.0+ba45583   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=m5.4xlarge,beta.kubernetes.io/os=linux,cluster.ocs.openshift.io/openshift-storage=,failure-domain.beta.kubernetes.io/region=us-east-2,failure-domain.beta.kubernetes.io/zone=us-east-2a,kubernetes.io/arch=amd64,kubernetes.io/hostname=ip-10-0-150-194,kubernetes.io/os=linux,node-role.kubernetes.io/worker=,node.kubernetes.io/instance-type=m5.4xlarge,node.openshift.io/os_id=rhcos,topology.ebs.csi.aws.com/zone=us-east-2a,topology.kubernetes.io/region=us-east-2,topology.kubernetes.io/zone=us-east-2a
ip-10-0-167-133.us-east-2.compute.internal   Ready    master   152m   v1.20.0+ba45583   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=m4.xlarge,beta.kubernetes.io/os=linux,failure-domain.beta.kubernetes.io/region=us-east-2,failure-domain.beta.kubernetes.io/zone=us-east-2b,kubernetes.io/arch=amd64,kubernetes.io/hostname=ip-10-0-167-133,kubernetes.io/os=linux,node-role.kubernetes.io/master=,node.kubernetes.io/instance-type=m4.xlarge,node.openshift.io/os_id=rhcos,topology.ebs.csi.aws.com/zone=us-east-2b,topology.kubernetes.io/region=us-east-2,topology.kubernetes.io/zone=us-east-2b
ip-10-0-167-186.us-east-2.compute.internal   Ready    worker   143m   v1.20.0+ba45583   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=m5.4xlarge,beta.kubernetes.io/os=linux,cluster.ocs.openshift.io/openshift-storage=,failure-domain.beta.kubernetes.io/region=us-east-2,failure-domain.beta.kubernetes.io/zone=us-east-2b,kubernetes.io/arch=amd64,kubernetes.io/hostname=ip-10-0-167-186,kubernetes.io/os=linux,node-role.kubernetes.io/worker=,node.kubernetes.io/instance-type=m5.4xlarge,node.openshift.io/os_id=rhcos,topology.ebs.csi.aws.com/zone=us-east-2b,topology.kubernetes.io/region=us-east-2,topology.kubernetes.io/zone=us-east-2b
ip-10-0-177-73.us-east-2.compute.internal    Ready    worker   143m   v1.20.0+ba45583   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=m5.4xlarge,beta.kubernetes.io/os=linux,cluster.ocs.openshift.io/openshift-storage=,failure-domain.beta.kubernetes.io/region=us-east-2,failure-domain.beta.kubernetes.io/zone=us-east-2b,kubernetes.io/arch=amd64,kubernetes.io/hostname=ip-10-0-177-73,kubernetes.io/os=linux,node-role.kubernetes.io/worker=,node.kubernetes.io/instance-type=m5.4xlarge,node.openshift.io/os_id=rhcos,topology.ebs.csi.aws.com/zone=us-east-2b,topology.kubernetes.io/region=us-east-2,topology.kubernetes.io/zone=us-east-2b
ip-10-0-201-133.us-east-2.compute.internal   Ready    worker   143m   v1.20.0+ba45583   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=m5.4xlarge,beta.kubernetes.io/os=linux,failure-domain.beta.kubernetes.io/region=us-east-2,failure-domain.beta.kubernetes.io/zone=us-east-2c,kubernetes.io/arch=amd64,kubernetes.io/hostname=ip-10-0-201-133,kubernetes.io/os=linux,node-role.kubernetes.io/worker=,node.kubernetes.io/instance-type=m5.4xlarge,node.openshift.io/os_id=rhcos,topology.ebs.csi.aws.com/zone=us-east-2c,topology.kubernetes.io/region=us-east-2,topology.kubernetes.io/zone=us-east-2c
ip-10-0-214-29.us-east-2.compute.internal    Ready    master   153m   v1.20.0+ba45583   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=m4.xlarge,beta.kubernetes.io/os=linux,failure-domain.beta.kubernetes.io/region=us-east-2,failure-domain.beta.kubernetes.io/zone=us-east-2c,kubernetes.io/arch=amd64,kubernetes.io/hostname=ip-10-0-214-29,kubernetes.io/os=linux,node-role.kubernetes.io/master=,node.kubernetes.io/instance-type=m4.xlarge,node.openshift.io/os_id=rhcos,topology.ebs.csi.aws.com/zone=us-east-2c,topology.kubernetes.io/region=us-east-2,topology.kubernetes.io/zone=us-east-2c
ip-10-0-216-25.us-east-2.compute.internal    Ready    worker   143m   v1.20.0+ba45583   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=m5.4xlarge,beta.kubernetes.io/os=linux,failure-domain.beta.kubernetes.io/region=us-east-2,failure-domain.beta.kubernetes.io/zone=us-east-2c,kubernetes.io/arch=amd64,kubernetes.io/hostname=ip-10-0-216-25,kubernetes.io/os=linux,node-role.kubernetes.io/worker=,node.kubernetes.io/instance-type=m5.4xlarge,node.openshift.io/os_id=rhcos,topology.ebs.csi.aws.com/zone=us-east-2c,topology.kubernetes.io/region=us-east-2,topology.kubernetes.io/zone=us-east-2c