Features
Description of CSI Driver features
CSI Drivers
About Dell Technologies (Dell) CSI Drivers
The CSI Drivers by Dell implement an interface between CSI (CSI spec v1.6) enabled Container Orchestrator (CO) and Dell Storage Arrays. It is a plug-in that is installed into Kubernetes to provide persistent storage using the Dell storage system.
Features and capabilities
CSI Driver Capabilities
| Features | PowerMax | PowerFlex | Unity XT | PowerScale | PowerStore |
|---|---|---|---|---|---|
| CSI Driver version | 2.11.0 | 2.11.0 | 2.11.0 | 2.11.0 | 2.11.0 |
| Static Provisioning | yes | yes | yes | yes | yes |
| Dynamic Provisioning | yes | yes | yes | yes | yes |
| Expand Persistent Volume | yes | yes | yes | yes | yes |
| Create VolumeSnapshot | yes for LUN no for NFS |
yes | yes | yes | yes |
| Create Volume from Snapshot | yes for LUN no for NFS |
yes | yes | yes | yes |
| Delete Snapshot | yes for LUN no for NFS |
yes | yes | yes | yes |
| Access Mode for volumeMode: Filesystem | RWO, RWOP ROX, RWX with NFS ONLY |
RWO, ROX, RWOP RWX with NFS ONLY |
RWO, ROX, RWOP RWX with NFS ONLY |
RWO, RWX, ROX, RWOP | RWO, RWOP ROX, RWX with NFS ONLY |
Access Mode for volumeMode: Block |
RWX, ROX, RWOP | RWX, ROX, RWOP | RWO, RWX | Not Supported | RWO, RWX, ROX, RWOP |
| CSI Volume Cloning | yes for LUN no for NFS |
yes for LUN no for NFS |
yes | yes | yes |
| CSI Raw Block Volume | yes | yes | yes | no | yes |
| CSI Ephemeral Volume | no | yes | yes | yes | yes |
| Topology | yes | yes | yes | yes | yes |
| Multi-array | yes | yes | yes | yes | yes |
| Volume Health Monitoring | yes | yes | yes | yes | yes |
| Storage Capacity Tracking | yes | yes | yes | yes | yes |
| Volume Limit | yes | yes | yes | yes | yes |
Backend Storage Details
| Features | PowerMax | PowerFlex | Unity XT | PowerScale | PowerStore |
|---|---|---|---|---|---|
| Fibre Channel | yes | N/A | yes | N/A | yes |
| iSCSI | yes | N/A | yes | N/A | yes |
| NVMeTCP | yes | N/A | N/A | N/A | yes |
| NVMeFC | N/A | N/A | N/A | N/A | yes |
| NFS | yes - SDNAS only (not eNAS) | yes | yes | yes | yes |
| Other | N/A | ScaleIO protocol | N/A | N/A | N/A |
| Supported FS | ext4 / xfs / NFS | ext4 / xfs / NFS | ext4 / xfs / NFS | NFS | ext3 / ext4 / xfs / NFS |
| Thin / Thick provisioning | Thin | Thin | Thin/Thick | N/A | Thin |
| Platform-specific configurable settings | Service Level selection iSCSI CHAP |
- | Host IO Limit Tiering Policy NFS Host IO size Snapshot Retention duration |
Access Zone NFS version (3 or 4);Configurable Export IPs |
iSCSI CHAP |
| Auto RDM(vSphere) | Yes(over FC) | N/A | N/A | N/A | N/A |
Troubleshooting
Troubleshooting for CSI Drivers
Release Notes
Release Notes for all the CSI Drivers and deployment
Testing Drivers
Tests to validate CSI Driver Installation