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Questions tagged [kubernetes-pvc]

Kubernetes persistent volume claims: These are requested by pods in a cluster, from a storage pool that is pre-defined (or else, dynamically allocated).

351 questions
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4 answers

Shared PersistenceVolumeClaim(PVC) across namespaces

Is it possible to reference a PVC (in namespace-A) from namespace-B. Why I need that? I would like to allow the customer (private cloud) to point their volume through PVC, allowing them full control of the storage. At the Helm install time will ask…
Obidul Islam
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4 answers

Is there an efficient way to check the usage for PV/PVC in Kubernetes

For example, I have 50 Gib PV/PVC and grant to one Pod, I just want to check usage of the storage The way I am just following is to set up a busybox pod with mounting the same PVC, then exec into the busybox to run df -h to check the storage. I just…
Vampire_D
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23
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4 answers

How to monitor disk usage of persistent volumes?

I want to monitor disk usages of persistent volumes in the cluster. I am using CoreOS Kube Prometheus. A dashboard is trying to query with a metric called kubelet_volume_stats_capacity_bytes which is not available anymore with Kubernetes versions…
Cemal Unal
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6 answers

How to delete only unmounted PVCs and PVs?

We don't want to delete PV and PVC as pods reuse them most of the times. However, in the long term, we end up with many PVs' and PVCs' that are not used. How to safely clean?
Pav K.
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16
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3 answers

pod has unbound immediate PersistentVolumeClaims (repeated 3 times)

What is wrong with below. # config for es data node apiVersion: v1 kind: ConfigMap metadata: namespace: infra name: elasticsearch-data-config labels: app: elasticsearch role: data data: elasticsearch.yml: |- cluster.name:…
RIYAJ KHAN
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14
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1 answer

Why ReadWriteOnce is working on different nodes?

Our platform which runs on K8s has different components. We need to share the storage between two of these components (comp-A and comp-B) but by mistake, we defined the PV and PVC for that as ReadWriteOnce and even when those two components were…
AVarf
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Kubernetes Unable to mount volumes for pod

I'm trying to setup a volume to use with Mongo on k8s. I use kubectl create -f pv.yaml to create the volume. pv.yaml: kind: PersistentVolume apiVersion: v1 metadata: name: pvvolume labels: type: local spec: storageClassName: standard …
Philip Kirkbride
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2 answers

How to set pvc with statefulset in kubernetes?

On GKE, I set a statefulset resource as --- apiVersion: apps/v1 kind: StatefulSet metadata: name: redis spec: serviceName: "redis" selector: matchLabels: app: redis updateStrategy: type: RollingUpdate replicas: 3 template: …
iooi
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9
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3 answers

Persistent Storage in EKS failing to provision volume

I followed the steps from AWS knowledge base to create persistent storage: Use persistent storage in Amazon EKS Unfortunately, PersistentVolume(PV) wasn't created: kubectl get pv No resources found When I checked the PVC logs, I'm getting the…
cloudviz
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PVC Events: waiting for a volume to be created, either by external provisioner "csi.vsphere.vmware.com" or manually created by system administrator

Tried to setup vsphere-CSI-driver following below documentation. Documentation-followed: https://www.definit.co.uk/2019/06/lab-guide-kubernetes-and-storage-with-the-vsphere-cloud-provider-step-by-step/ User/Permissions associated to VSAN and VCenter…
Tanzeeb Samee
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2 answers

Error "no persistent volumes available for this claim and no storage class is set"

Is it required to create the directory manually in nodes or will it be auto created by pv? Here is my pv & pvc file, and I'm seeing this error no persistent volumes available for this claim and no storage class is set how to resolve this? kind:…
Pooja
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8
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2 answers

Move or change a volume namespace

We re-organise our namespaces in Kubernetes. We want to move our Persistent volume Claims created by a storageclass from one namespace to another. (Our backup tool don't help).
Franklin Piat
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7
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2 answers

kubernetes azure nodes exceed max volume count

I have kubernetes cluster of 4 nodes. according to this https://kubernetes.io/docs/concepts/storage/storage-limits/ azure should have limit of 16 pv per node. Microsoft Azure Disk Storage 16 So I should have 64 volumes available. Although i can…
rigby
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2 answers

Handling PersistentVolumeClaim in DaemonSet

I have a DaemonSet that creates flink task manager pods, one per each node. Nodes Say I have two nodes node-A node-B Pods the daemonSet would create pod-A on node-A pod-B on node-B Persistent Volume Claim I am on AKS and want to use azure-disk…
frictionlesspulley
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Kubernetes: Redirecting pod STDOUT, STDERR and pod termination log to a PVC file

I am trying to get STDOUT and STDERR of a pod written to the file at PVC mount location. Following is the template content of my deployment: "template": { "metadata": { "name": "python-stdout-app", "creationTimestamp":…
trideep_chatterjee
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