iMaster DME (Interconnected with an OceanStor A800 Cluster)

1 - File Service

Table 1 Supported Huawei storage products

Storage Product	Version
iMaster DME	24.0.0, 24.1.0, 25.1.0

Table 2 iMaster DME versions supported by iMaster DME dtrees

Storage Product	Version
iMaster DME	25.1.0

Table 1 Supported container management platforms

Container Management Platform	Version
Kubernetes	1.16 to 1.36

Table 1 Supported host OSs

OS Name	OS Version
OpenEuler x86_64	22.03 LTS SP4
EulerOS Arm	V2R15

Table 1 Features supported by Huawei storage and constraints

Feature	OceanStor A800 Cluster on iMaster DME
Static Provisioning	DataTurbo/NFS 3 Global file systems of the OceanStor A800 cluster are supported.
Dynamic Provisioning
Manage Provisioning
Expand Persistent Volume	Volumes created in Dynamic Provisioning or Manage Provisioning mode are supported.
Create VolumeSnapshot	Not supported
Delete VolumeSnapshot	Not supported
Restore VolumeSnapshot	Not supported
Clone Persistent Volume	Not supported
Raw Block Volume	Not supported
Topology	Supported
Generic Ephemeral Volumes	Supported
Access Mode	RWO, ROX, RWX, and RWOP. RWOP is supported only in Kubernetes 1.22 or later.
QoS	Not supported
Application type	Not supported
Volume HyperMetro	Not supported
Multiple vStores	Not supported
KV cache	Supported in 25.1.0 and later versions

Table 2 Features supported by Huawei iMaster DME dtrees

Feature	Supported or Not
Static Provisioning	√
Dynamic Provisioning	√
Manage Provisioning	√
Expand Persistent Volume	√
Access Mode	√ (RWX/RWO/ROX/RWOP: Kubernetes 1.22 or later supports RWOP.)
Multiple vStores	X
Create VolumeSnapshot	X
Delete VolumeSnapshot	X
Restore VolumeSnapshot	X
Clone Persistent Volume	X
QoS	X
Volume HyperMetro	X
Application type	X