FIO on Power reproducer

fio-ns.yaml

---
apiVersion: v1
kind: Namespace
metadata:
  name: fio-test

fio-pod.yaml

---
apiVersion: v1
kind: Pod
metadata:
  name: fio-test
  namespace: fio-test
spec:
  containers:
  - image: nginx
    name: fio-test
    volumeMounts:
    - mountPath: /var/lib/www/html
      name: fio-test
  volumes:
  - name: fio-test
    persistentVolumeClaim:
      claimName: fio-test
      readOnly: false

fio-pvc.yaml

---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: fio-test
  namespace: fio-test
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 3Gi
  storageClassName: ocs-storagecluster-cephfs

setup.sh

set -x

oc create -f ./fio-ns.yaml
sleep 5
oc create -f ./fio-pvc.yaml
sleep 5
oc create -f ./fio-pod.yaml
sleep 20
oc rsh -n fio-test fio-test apt update
oc rsh -n fio-test fio-test apt install -y fio

teardown.sh

set -x
oc delete pod -n fio-test fio-test
oc delete pvc -n fio-test fio-test
oc delete namespace fio-test

test.sh

set -ex

RUNS=0
while true; do
  time oc rsh -n fio-test fio-test fio --name=fio-rand-readwrite --filename=/var/lib/www/html/fio-rand-readwrite --readwrite=randrw --bs=4K --direct=1 --numjobs=1 --time_based=1 --runtime=60 --size=1G --iodepth=4 --invalidate=1 --fsync_on_close=1 --rwmixread=75 --ioengine=libaio --rate=1m --rate_process=poisson --output-format=json
  echo "fio rc: $?"
  RUNS=$(echo $RUNS+1 | bc)
done