Pod fails to mount a small (10Mi) Filesystem PVC

    output:(size 3072 of data subvolume is too small, minimum 4096 blocks

4.15

1. Create a PVC:

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: pvc-lvms-ten-mi-fs
spec:
  volumeMode: Filesystem
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 10Mi
  storageClassName: lvms-vg1

------
$ oc get pvc
NAME                 STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE
pvc-lvms-ten-mi-fs   Bound    pvc-1bba5d94-aa42-4f8e-a75e-fe16debdbd9a   10Mi       RWO            lvms-vg1       107s

2. Create a pod:

apiVersion: v1
kind: Pod
metadata:
  name: test-pod
spec:
  containers:
    - command:
        - sleep
        - "3600000"
      image: "quay.io/openshift-cnv/qe-cnv-tests-net-util-container:centos-stream-9"
      imagePullPolicy: IfNotPresent
      name: test-pod      
      volumeMounts:
        - mountPath: /foo
          name: data-vol
  volumes:
    - name: data-vol
      persistentVolumeClaim:
        claimName: pvc-lvms-ten-mi-fs

Pod is ContainerCreating

$ oc get pods
NAME       READY   STATUS              RESTARTS   AGE
test-pod   0/1     ContainerCreating   0          90s

$ oc describe pod test-pod
....
  Warning  FailedMount  5s (x5 over 13s)  kubelet            MountVolume.SetUp failed for volume "pvc-1bba5d94-aa42-4f8e-a75e-fe16debdbd9a" : rpc error: code = Internal desc = mount failed: volume=17c48e86-3a9b-4ef0-83c1-698e0d6fd7b5, error=format of disk "/dev/topolvm/17c48e86-3a9b-4ef0-83c1-698e0d6fd7b5" failed: type:("xfs") target:("/var/lib/kubelet/pods/8b4ae8e7-55c0-45d5-805b-02496d66b782/volumes/kubernetes.io~csi/pvc-1bba5d94-aa42-4f8e-a75e-fe16debdbd9a/mount") options:("nouuid,defaults") errcode:(exit status 1) output:(size 3072 of data subvolume is too small, minimum 4096 blocks

Pod could mount a PVC. 
If provisioner can't handle a small PVC, it should provison a larger PVC.

Full pod describe:

$ oc describe pod test-pod
Name:             test-pod
Namespace:        default
Priority:         0
Service Account:  default
Node:             cnv-qe-infra-23.cnvqe2.lab.eng.rdu2.redhat.com/10.1.156.23
Start Time:       Tue, 05 Mar 2024 16:37:22 +0000
Labels:           <none>
Annotations:      k8s.ovn.org/pod-networks:
                    {"default":{"ip_addresses":["10.128.0.95/23"],"mac_address":"0a:58:0a:80:00:5f","gateway_ips":["10.128.0.1"],"routes":[{"dest":"10.128.0.0...
Status:           Pending
IP:               
IPs:              <none>
Containers:
  test-pod:
    Container ID:  
    Image:         quay.io/openshift-cnv/qe-cnv-tests-net-util-container:centos-stream-9
    Image ID:      
    Port:          <none>
    Host Port:     <none>
    Command:
      sleep
      3600000
    State:          Waiting
      Reason:       ContainerCreating
    Ready:          False
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /foo from data-vol (rw)
      /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-qmcrp (ro)
Conditions:
  Type              Status
  Initialized       True 
  Ready             False 
  ContainersReady   False 
  PodScheduled      True 
Volumes:
  data-vol:
    Type:       PersistentVolumeClaim (a reference to a PersistentVolumeClaim in the same namespace)
    ClaimName:  pvc-lvms-ten-mi-fs
    ReadOnly:   false
  kube-api-access-qmcrp:
    Type:                    Projected (a volume that contains injected data from multiple sources)
    TokenExpirationSeconds:  3607
    ConfigMapName:           kube-root-ca.crt
    ConfigMapOptional:       <nil>
    DownwardAPI:             true
    ConfigMapName:           openshift-service-ca.crt
    ConfigMapOptional:       <nil>
QoS Class:                   BestEffort
Node-Selectors:              <none>
Tolerations:                 node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
                             node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
  Type     Reason       Age                 From               Message
  ----     ------       ----                ----               -------
  Normal   Scheduled    2m4s                default-scheduler  Successfully assigned default/test-pod to cnv-qe-infra-23.cnvqe2.lab.eng.rdu2.redhat.com
  Warning  FailedMount  59s (x8 over 2m4s)  kubelet            MountVolume.SetUp failed for volume "pvc-1bba5d94-aa42-4f8e-a75e-fe16debdbd9a" : rpc error: code = Internal desc = mount failed: volume=17c48e86-3a9b-4ef0-83c1-698e0d6fd7b5, error=format of disk "/dev/topolvm/17c48e86-3a9b-4ef0-83c1-698e0d6fd7b5" failed: type:("xfs") target:("/var/lib/kubelet/pods/8b4ae8e7-55c0-45d5-805b-02496d66b782/volumes/kubernetes.io~csi/pvc-1bba5d94-aa42-4f8e-a75e-fe16debdbd9a/mount") options:("nouuid,defaults") errcode:(exit status 1) output:(size 3072 of data subvolume is too small, minimum 4096 blocks
Usage: mkfs.xfs
/* blocksize */          [-b size=num]
/* config file */      [-c options=xxx]
/* metadata */           [-m crc=0|1,finobt=0|1,uuid=xxx,rmapbt=0|1,reflink=0|1,
                               inobtcount=0|1,bigtime=0|1]
/* data subvol */      [-d agcount=n,agsize=n,file,name=xxx,size=num,
                               (sunit=value,swidth=value|su=num,sw=num|noalign),
                               sectsize=num
/* force overwrite */  [-f]
/* inode size */       [-i perblock=n|size=num,maxpct=n,attr=0|1|2,
                               projid32bit=0|1,sparse=0|1,nrext64=0|1]
/* no discard */       [-K]
/* log subvol */       [-l agnum=n,internal,size=num,logdev=xxx,version=n
                               sunit=value|su=num,sectsize=num,lazy-count=0|1]
/* label */              [-L label (maximum 12 characters)]
/* naming */             [-n size=num,version=2|ci,ftype=0|1]
/* no-op info only */  [-N]
/* prototype file */   [-p fname]
/* quiet */              [-q]
/* realtime subvol */  [-r extsize=num,size=num,rtdev=xxx]
/* sectorsize */       [-s size=num]
/* version */            [-V]
                           devicename
<devicename> is required unless -d name=xxx is given.
<num> is xxx (bytes), xxxs (sectors), xxxb (fs blocks), xxxk (xxx KiB),
      xxxm (xxx MiB), xxxg (xxx GiB), xxxt (xxx TiB) or xxxp (xxx PiB).
<value> is xxx (512 byte blocks).
)