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37 lines
2.4 KiB
Markdown
37 lines
2.4 KiB
Markdown
# Cloud Native Storage
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- [Solutions](#solutions)
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- [OpenShift Container Storage Operator (OCS)](#openshift-container-storage-operator-ocs)
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- [OCS 3 (OpenShift 3)](#ocs-3-openshift-3)
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- [OCS 4 (OpenShift 4)](#ocs-4-openshift-4)
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## Solutions
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- [OpenEBS](https://openebs.io/) extends the benefits of software-defined storage to cloud native through the container attached approach.
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- [StorageOS](https://storageos.com/)
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- [Rook](https://rook.io/)
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- [Longhorn](https://longhorn.io/)
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- [thenewstack.io: Rancher Donates its ‘Longhorn’ Kubernetes Persistent Storage Software to CNCF](https://thenewstack.io/rancher-donates-its-longhorn-kubernetes-persistent-storage-software-to-cncf/). Gluster and Ceph were “designed to be run by some storage admin. In the Kubernetes world, a lot of these things tend to be deployed by DevOps teams, so (the storage layer) needs to be a lot more lightweight and a lot simpler.” — Rancher Labs CEO Sheng Liang.
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- [thenewstack.io: A Guide to Running Stateful Applications in Kubernetes](https://thenewstack.io/a-guide-to-running-stateful-applications-in-kubernetes/)
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## OpenShift Container Storage Operator (OCS)
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- [State of OpenShift Container Storage](https://www.openshift.com/blog/state-of-openshift-container-storage-eran-tamir-and-duncan-hardie-red-hat)
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### OCS 3 (OpenShift 3)
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- OpenShift Container Storage based on [GlusterFS](https://www.gluster.org/) technology.
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- Not OpenShift 4 compliant: Migration tooling will be available to facilitate the move to OCS 4.x (OpenShift Gluster APP Mitration Tool).
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### OCS 4 (OpenShift 4)
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- **OCS Operator** based on Rook.io with Operator LifeCycle Manager (OLM).
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- Tech Stack:
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- [Rook](https://rook.io) (don't confuse this with non-redhat ["Rook Ceph"](https://operatorhub.io/operator/rook-ceph) -> [RH ref](https://www.redhat.com/en/blog/rook-ceph-storage-operator-now-operatorhubio)).
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- Replaces [Heketi](https://github.com/heketi/heketi) (OpenShift 3)
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- Uses **Red Hat Ceph Storage** and **Noobaa**.
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- [Red Hat Ceph Storage](https://ceph.io)
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- [Noobaa](https://www.noobaa.io):
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- Red Hat Multi Cloud Gateway (AWS, Azure, GCP, etc)
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- Asynchronous replication of data between my local ceph and my cloud provider
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- Deduplication
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- Compression
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- Encryption
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- Backups available in OpenShift 4.2+ (Snapshots + Restore of Volumes)
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- OCS Dashboard in OCS Operator
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