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 |
v2.14.0 | v2.14.0 | v2.14.0 | v2.14.0 | v2.14.0 |
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 |
| Raw Block Volume | yes | no | yes | yes | yes |
| CSI Ephemeral Volume | yes | yes | yes | no | yes |
| Generic Ephemeral Volume | 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 | N/A | yes | N/A |
NVMeFC |
yes | N/A | N/A | N/A | N/A |
NFS |
yes | yes | yes | yes - SDNAS only (not 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: Please note Dual-Stack or IPv6 is not supported.