Container Storage Interface (CSI) Storage Plugin Release 1.2.x (FUSE POSIX)
These notes describe release 1.2.x of the Container Storage Interface (CSI) Storage Plugin for FUSE POSIX.
You may also be interested in the Kubernetes Release Notes.
For the latest 1.2.x
version, see the mapr-csi
github
repository.
Version | 1.2.x |
Release Date | November 2020 |
MapR Version Interoperability | Compatible with release 6.1.0 and later. |
Kubernetes Compatibility | Kubernetes 1.17.0 and later.* |
OpenShift Compatibility | 4.4 and later. |
CSI Driver Downloads | See Downloads (CSI) for more information. |
Documentation |
|
Related Resources | https://www.hpe.com/us/en/resource-library.html |
* Kubernetes alpha features are not supported.
New in this Release
csi-kdfplugin
to
1.2.x.
Release
1.2.x
includes support for:- Volume cloning for dynamic provisioning. For more information, see CSI Volume Cloning.
- Snapshot restore for dynamic provisioning. For more information, see Snapshot & Restore Feature.
- Dynamic and static provisioning of raw block volumes. For more information, see Raw Block Volumes.
You can access the csi-kdfplugin
by installing the custom resource
definition (CRD) using the
csi-maprkdf-v<version>.yaml
file. Or you can build your own container and point to the plugin on the Docker hub at
maprtech/csi-kdfplugin:<version>
.
For installation information, see Installing, Uninstalling, and Upgrading the Container Storage Interface (CSI) Storage Plugin.
Patches
None.
Limitations
Note the following limitations:
- CSI Driver version 1.2.x does not support coexistence with the FlexVolume Driver on the same Kubernetes cluster.
- All nodes in the Kubernetes cluster must use the same Linux OS. Configuration files are
available to support the following Linux distributions:
- CentOS
- RHEL (use CentOS configuration file)
- Ubuntu
- The Container POSIX client package is included by default when you install the Container Storage Interface (CSI) Storage Plugin. The Basic, Container, or Platinum POSIX client can be enabled by specifying a parameter in the pod spec.
- The CSI Driver does not include support for inline volumes in pods. It supports only PersistentVolumes.
Known Issues
Note the following known issues:
- Snapshot restore fails if the snapshot contains symlinks to other files in the directory.
Resolved Issues
Issue | Description |
---|---|
CSI-30 |
Enable memory profiling for fuse process w/ trackMemory : true option |
CSI-241 | Support volume clone for dynamic provisioning |
CSI-242 | Support snapshot restore for dynamic provisioning |
CSI-243 | Support for OpenShift 4.4, 4.5, 4.6+ & Kubernetes 1.17, 1.18, 1.19+ |
CSI-248 | Retain fuse logs after pod delete w/ retainLogs: true option |
REL-301 | Update kdfplugin image w/ 6.2 release bits on centos8 |
CSI-254 | Option 'numrpcthreads' added to configure Number of Client RPC threads (default:1, max:4). |
CSI-258 | DF client fixes & updates |
CSI-259 | Reduce verbose logging on CSI logfiles |
CSI-262 | [BETA] Support ticket-based authentication to apiserver. You can use MAPR_CLUSTER_TICKET instead of MAPR_CLUSTER_USER and MAPR_CLUSTER_PASSWORD. See REST Secrets. |
BDP-2631 | Update to livenessprobe v2.2.0 image to remove level5 messages |