Container Storage Modules with CSI
The CSI Drivers implement an interface between CSI enabled Container Orchestrator (CO) and 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 | PowerStore | PowerScale | PowerFlex | PowerMax | Unity XT |
|---|---|---|---|---|---|
CSI Driver version |
v2.15.0 | v2.15.0 | v2.15.0 | v2.15.0 | v2.15.0 |
Static Provisioning |
Yes | Yes | Yes | Yes | Yes |
Dynamic Provisioning |
Yes | Yes | Yes | Yes | Yes |
Expand Persistent Volume |
Yes | Yes | Yes | Yes | Yes |
Volume Snapshot |
Yes | Yes | Yes | Yes for LUN No for NFS |
Yes |
Volume Clone |
Yes | Yes | Yes | Yes for LUN No for NFS |
Yes |
| RWO, RWOP ROX, RWX with NFS ONLY |
RWO, RWX, ROX, RWOP | RWO, ROX, RWOP RWX with NFS ONLY |
RWO, RWOP ROX, RWX with NFS ONLY |
RWO, ROX, RWOP RWX with NFS ONLY |
|
Access Mode for volumeMode: Block |
RWO, RWX, ROX, RWOP | Not Supported | RWX, ROX, RWOP | RWX, ROX, RWOP | RWO, RWX |
| Yes | No | Yes | Yes | Yes | |
| Yes | Yes | Yes | No | Yes | |
| Yes | 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 |
Storage Platform Details
| Features | PowerStore | PowerScale | PowerFlex | PowerMax | Unity XT |
|---|---|---|---|---|---|
Fibre Channel |
Yes | N/A | N/A | Yes | Yes |
iSCSI |
Yes | N/A | N/A | Yes | Yes |
NVMeTCP |
Yes | N/A | No | Yes | N/A |
NVMeFC |
Yes | N/A | N/A | N/A | N/A |
NFS |
Yes | Yes | N/A* | Yes - SDNAS only (No eNAS) | Yes |
Other |
N/A | N/A | ScaleIO protocol | N/A | N/A |
Supported FS |
ext3 / ext4 / xfs / NFS | NFS | ext4 / xfs / NFS | ext4 / xfs / NFS | ext4 / xfs / NFS |
Thin / Thick provisioning |
Thin | N/A | Thin | Thin | Thin/Thick |
Platform-specific configurable settings |
iSCSI CHAP | Access Zone NFS version (3 or 4) Configurable Export IPs |
- | Service Level selection iSCSI CHAP |
Host IO Limit Tiering Policy NFS Host IO size Snapshot Retention duration |
Auto RDM(vSphere) |
N/A | N/A | N/A | Yes(over FC) | N/A |
Internet Protocol |
IPv4 | IPv4 | IPv4 | IPv4 | IPv4 |
Note: * PowerFlex supports NFS until version 3.6
Note: Please note Dual-Stack or IPv6 is not supported.