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The NVMe-oF Ceph-CSI driver is a work in progress, and expected to be ready for testing soon. Because Ceph-CSI will recommend the Ceph-CSI Operator for deploying, it will need to support the new NVMe-oF driver type as well. Signed-off-by: Niels de Vos <[email protected]>
Signed-off-by: Niels de Vos <[email protected]>
Signed-off-by: Niels de Vos <[email protected]>
Only the canary image currently supports snapshots with NVMe-oF. Older releases do not support it, and the csi-snapshotter sidecar gets into an error state. Signed-off-by: Niels de Vos <[email protected]>
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Describe what this PR does
The NVMe-oF Ceph-CSI driver is a work in progress, and expected to be ready for testing soon. Because Ceph-CSI will recommend the Ceph-CSI Operator for deploying, it will need to support the new NVMe-oF driver type as well.
Is there anything that requires special attention
Internally the NVMe-oF driver in Ceph-CSI calls the functions of the RBD CSI Controller. That means almost all permissions and requirements that are valid for RBD, are also required for NVMe-oF.
The initial NVMe-oF driver will only support basic functions. Additional features like snapshots, resizing and CSI-Addons procedures will be added later.
The NVMe-oF gateway can not yet be deployed by Rook. This makes testing a manual effort for now.
Related issues
See-also: #304 ceph/ceph-csi#5370 rook/rook#16950
Future concerns
In order to use Ceph-CSI with NVMe-oF, one needs a Ceph Tentacle cluster (for the ceph-nvme gateway) and these current images:
quay.io/cephcsi/cephcsi:canarygcr.io/k8s-staging-sig-storage/csi-provisioner:canarygcr.io/k8s-staging-sig-storage/csi-resizer:canaryThe Kubernetes CSI images are required for the VolumeAttributeClass support (the ceph-nvme gateway supports QoS, implemented in Ceph-CSI through the new
ControllerModifyVolumeCSI procedure).Checklist:
guidelines in the developer
guide.
Request
notes
updated with breaking and/or notable changes for the next major release.