local-path-provisioner
rook
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local-path-provisioner | rook | |
---|---|---|
30 | 51 | |
1,978 | 11,890 | |
3.1% | 1.1% | |
6.3 | 9.9 | |
14 days ago | 6 days ago | |
Go | Go | |
Apache License 2.0 | Apache License 2.0 |
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local-path-provisioner
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Deploy Ghost with MySQL DB replication using helm chart
Deploy local-path-provisioner storage class but it does not support readwritemany so for high availability of your Kubernetes cluster better to use longhorn
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lvp: Local Volume CSI Provisioner -- Dynamic PV Provisioning for your Home Cluster
I use this one. I'm waiting for the day it's combined with syncthing to sync across all nodes. https://github.com/rancher/local-path-provisioner
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issues with pv retaining data on local-path SC
So I have this single node k3s cluster. k3s uses local-path (https://github.com/rancher/local-path-provisioner) as default SC that allows one to create dynamic volumes using nodes local storage.
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How to format drives for local persistent volumes
Just create 1 single partition and format it with whatevery filesystem you like. And then use ranchers local-path-provisioner which will create a folder per PV (k3s has this integrated by default).
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Persisting data in a dynamic volume?
Tinkering locally with local path provisioner (https://github.com/rancher/local-path-provisioner), I find that I can delete and re-create the pod, and the data persists on disk. However, if I delete the PVC, when I recreate the PVC, a new directory on disk is created.
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Issues with "victoria-metrics-k8s-stack", monitoring k8s targets
It is better to use https://github.com/rancher/local-path-provisioner (or similar) for this case which will do PVC on local directories because manually linking PV<>PVC will not work.
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single node k8s on nuc - homelab/prod - storage question
Since you only have one physical node anyway, I would just make the cluster a single-node cluster (1 VM) and use local storage on that VM. I’m biased though because this is what I do (I run K3s and use local path provisioner).
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Using local disks for both K8s workloads, and exporting via SMB?
Rancher's Local Path Provisioner - From reading, seems to just use HostPath or Local PVs under the hood, but adds dynamic provisoning
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Kubernetes: How to Persistent Storage
With any of those tools, you'd implement a network storage on top of a network storage. I would go with mouting few volumes per node +local storage like (https://github.com/rancher/local-path-provisioner).
- There doesn't seam to be any good distributed block storage for Kubernetes
rook
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Ceph: A Journey to 1 TiB/s
I have some experience with Ceph, both for work, and with homelab-y stuff.
First, bear in mind that Ceph is a distributed storage system - so the idea is that you will have multiple nodes.
For learning, you can definitely virtualise it all on a single box - but you'll have a better time with discrete physical machines.
Also, Ceph does prefer physical access to disks (similar to ZFS).
And you do need decent networking connectivity - I think that's the main thing people think of, when they think of high hardware requirements for Ceph. Ideally 10Gbe at the minimum - although more if you want higher performance - there can be a lot of network traffic, particularly with things like backfill. (25Gbps if you can find that gear cheap for homelab - 50Gbps is a technological dead-end. 100Gbps works well).
But honestly, for a homelab, a cheap mini PC or NUC with 10Gbe will work fine, and you should get acceptable performance, and it'll be good for learning.
You can install Ceph directly on bare-metal, or if you want to do the homelab k8s route, you can use Rook (https://rook.io/).
Hope this helps, and good luck! Let me know if you have any other questions.
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Running stateful workloads on Kubernetes with Rook Ceph
Another option is to leverage a Kubernetes-native distributed storage solution such as Rook Ceph as the storage backend for stateful components running on Kubernetes. This has the benefit of simplifying application configuration while addressing business requirements for data backup and recovery such as the ability to take volume snapshots at a regular interval and perform application-level data recovery in case of a disaster.
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People who run Nextcloud in Docker: Where do you store your data/files? In a Docker volume, or on a remote server/NAS?
This is beyond your question but might help someone else: I switch from docker-compose to kubernetes for my home lab a while ago. The storage solution I've settled on is Rook. It was a bit of up-front work learning how to get it up but now that it's done my storage is automatically managed by Ceph. I can swap out drives and Ceph basically takes care of everything itself.
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Rook/Ceph with VM nodes on research cluster?
The stumbling point I am at is I want to use rook.io(Ceph) as my storage solution for the cluster. The Ceph prerequisites are one of the following:
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Asking for recommendation on remote Kubernetes storage for a small cluster and databases
Have you looked at Rook?
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Want advice on planned evolution: k3os/Longhorn --> Talos/Ceph, plus Consul and Vault
I've briefly run ceph in an external mode, you can actually use a rook deployment to manage it (sort of). Here is the documentation for doing that. For me it didn't pass my testing phase because I need better networking equipment before I can try that.
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ATARI is still alive: Atari Partition of Fear
This article explains the data corruption issue happened in Rook in 2021. The root cause lies in an unexpected place and can also occurs in all Ceph environment. It's interesting that Rook had started to encounter this problem recently even though this problem has existed for a long time. It's due to a series of coincidences. I wrote this article because the word "Atari" used in a non-historical context in 2021.
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How to Deploy and Scale Strapi on a Kubernetes Cluster 2/2
Rook (this is a nice article for Rook NFS)
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Running on-premise k8s with a small team: possible or potential nightmare?
Storage: Favor any distributed storage you know to start with for Persistent Volumes: Ceph maybe via rook.io, Longhorn if you go rancher etc
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My completely automated Homelab featuring Kubernetes
I've dealt with a lot of issues that are very close to just unplugging a node. Unfortunately on node lost, my stateful workloads using rook-ceph block storage won't migrate over to another node automatically due to an issue with rook. Stateless apps (ingress nginx, etc..) not using rook-ceph block failover to another node just fine. I've kind of accepted this for now and I know Longhorn has a feature that makes this work but I find rook-ceph to be more stable for my workloads.
What are some alternatives?
sig-storage-local-static-provisioner - Static provisioner of local volumes
longhorn - Cloud-Native distributed storage built on and for Kubernetes
topolvm - Capacity-aware CSI plugin for Kubernetes
ceph-csi - CSI driver for Ceph
csi-lib-utils - Common code for Kubernetes CSI sidecar containers (e.g. `external-attacher`, `external-provisioner`, etc.)
velero - Backup and migrate Kubernetes applications and their persistent volumes
kind - Kubernetes IN Docker - local clusters for testing Kubernetes
Nginx Proxy Manager - Docker container for managing Nginx proxy hosts with a simple, powerful interface
nfs-ganesha-server-and-external-provisioner - NFS Ganesha Server and Volume Provisioner.
Ceph - Ceph is a distributed object, block, and file storage platform
csi-driver-nfs - This driver allows Kubernetes to access NFS server on Linux node.
hub-feedback - Feedback and bug reports for the Docker Hub