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release](https://img.shields.io/github/v/release/topolvm/topolvm.svg?maxAge=60)][releases]\n[![Main](https://github.com/topolvm/topolvm/workflows/Main/badge.svg)](https://github.com/topolvm/topolvm/actions)\n[![PkgGoDev](https://pkg.go.dev/badge/github.com/topolvm/topolvm?tab=overview)](https://pkg.go.dev/github.com/topolvm/topolvm?tab=overview)\n[![Go Report Card](https://goreportcard.com/badge/github.com/topolvm/topolvm)](https://goreportcard.com/badge/github.com/topolvm/topolvm)\n\n# TopoLVM\n\nTopoLVM is a [CSI][] plugin using LVM for Kubernetes.\nIt can be considered as a specific implementation of [local persistent volumes](https://kubernetes.io/docs/concepts/storage/volumes/#local) using CSI and LVM.\n\n- **Conformed CSI version**: [1.5.0](https://github.com/container-storage-interface/spec/blob/v1.5.0/spec.md)\n\nOur supported platform are:\n\n- Kubernetes: 1.35, 1.34, 1.33\n- Node OS: Linux with LVM2 (\\*1), specifically tested on Ubuntu\n- CPU Architecture: x86 (\\*2), arm64 (\\*3), ppc64le (\\*3), s390x (\\*4)\n- Filesystems: ext4, xfs, btrfs\n- lvm version 2.02.163 or later (adds JSON output support)\n\n\\*1 The host's Linux Kernel must be v4.9 or later which supports `rmapbt` and `reflink`, if you use xfs filesystem with an official docker image.  \n\\*2 Tier1 support. The official docker images are provided and all functionalities are tested by CI.  \n\\*3 Tier2 support. The official docker images are provided, but no tests run by CI.  \n\\*4 Tier3 support. No docker images are provided, and no tests run by CI, but binaries are built.  \n\nDocker images are available on [ghcr.io](https://github.com/orgs/topolvm/packages).  \n\n## Getting Started\n\nIf you want to try TopoLVM on your local machine, see [example](example/) directory which provides scripts to run TopoLVM on [kind (Kubernetes IN Docker)][kind].\n\nTo use TopoLVM on your real kubernetes cluster, read [documents](docs/README.md).\n\nDeprecated: If you want to use TopoLVM on [Rancher/RKE](https://rancher.com/docs/rke/latest/en/), see [docs/deprecated/rancher/README.md](docs/deprecated/rancher/README.md).\n\n## Contributing\n\nTopoLVM project welcomes contributions from any member of our community. To get\nstarted contributing, please see our [Contributing Guide](CONTRIBUTING.md).\n\n## Scope\n\n### In Scope\n\n- [Dynamic provisioning](https://kubernetes-csi.github.io/docs/external-provisioner.html): Volumes are created dynamically when `PersistentVolumeClaim` objects are created.\n- [Raw block volume](https://kubernetes-csi.github.io/docs/raw-block.html): Volumes are available as block devices inside containers.\n- [Topology](https://kubernetes-csi.github.io/docs/topology.html): TopoLVM uses CSI topology feature to schedule Pod to Node where LVM volume exists.\n- Extended scheduler: TopoLVM extends the general Pod scheduler to prioritize Nodes having larger storage capacity.\n- Volume metrics: Usage stats are exported as Prometheus metrics from `kubelet`.\n- [Volume Expansion](https://kubernetes-csi.github.io/docs/volume-expansion.html): Volumes can be expanded by editing `PersistentVolumeClaim` objects.\n- [Storage capacity tracking](https://github.com/topolvm/topolvm/tree/main/deploy#storage-capacity-tracking): You can enable Storage Capacity Tracking mode instead of using topolvm-scheduler.\n- [Snapshot](https://kubernetes-csi.github.io/docs/snapshot-restore-feature.html): Snapshots can be taken when using thin provisioning.\n\n### Planned Features\n\n- Prioritize based on volume capacity without using the extended scheduler.\n\n## Communications\n\nIf you have any questions or ideas, please use [discussions](https://github.com/topolvm/topolvm/discussions).\n\n## Resources\n\n[docs](docs/) directory contains the user manual, designs and specifications, and so on.\n\nA diagram of components is available in [docs/design.md](docs/design.md#diagram).\n\nTopoLVM maintainers presented the motivation and implementation of TopoLVM at KubeCon Europe 2020: https://kccnceu20.sched.com/event/ZerD\n\n## License\n\nThis project is licensed under [Apache License 2.0](LICENSE).\n\n[releases]: https://github.com/topolvm/topolvm/releases\n[CSI]: https://github.com/container-storage-interface/spec\n[kind]: https://github.com/kubernetes-sigs/kind\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftopolvm%2Ftopolvm","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftopolvm%2Ftopolvm","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftopolvm%2Ftopolvm/lists"}