Questions tagged [persistent-volumes]

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How do I use a raw volume with a database on Kubernetes?

I'm trying to figure out how to launch a web application in a Kubernetes cluster on AWS. Right now I'm not certain about a database. I can see that one can use raw block volumes, which are supposedly ...
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1answer
45 views

Should we deploy Storage Class Per Application OR one Storage Class for All applications?

I am using aws-ebs-csi-driver on k8s for persistent volumes. I came across a scenario where I can create ebs storage class once and then use it across all the statefulsets deployments to create ...
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19 views

Update volume size dynamically from inside a POD

I was wondering how I could dynamically create and then mount new volumes from inside a pod ? At runtime ! I have to download a lot of files with very different sizes and would like the storage to ...
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1answer
37 views

Docker update with persistent storage and 0 downtime

I have a docker container running with persistent storage. When I try to update now I kill the container, and rerun the updated image all over again. I've considered setting up the new container first,...
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1answer
195 views

Deploying a statefulSet with static volume provisioning but controller insists to use dynamic

I am trying to deploy a statefulSet that will use static volume provisioning (claim existing PVs) based on their label. However, it seems that the persistentvolume-controller is trying to provision ...
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1answer
12k views

Permission denied within mounted volume inside Docker/Podman container

I am starting to learn about containers using podman that came with RHEL8.1 (which AFAIK can be used in place of docker), and have the following baby Dockerfile as a learning exercise: # Use Alpine ...
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1answer
3k views

Can't get either Postgres permissions or PVC working in AKS

These are pretty much the steps I have followed in order. Basically what is outlined in the documentation: https://docs.microsoft.com/en-us/azure/aks/azure-files-dynamic-pv azure-storage-claim.yaml ...
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1answer
23 views

Will data contained withing Persistent Volume survive cluster deletion?

I have a Kubernetes cluster based on 3 hosts managed via Rancher I've created Persistent Volume on the first host and use it via a claim by a PostgreSQL pod. My app is generating and storing there ...
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1answer
365 views

Interacting with a Trident container (NetApp) via CLI within a Openshift/Kubernetes cluster?

Background We're currently using NetApps Trident PV (Persistent Volume) orchestrator to dynamically create volumes on our NetApp ONTAP clusters for Pods running within our Openshift/Kubernetes ...