Importing VNX2 or Unity file systems with File Level Retention (FLR) enabled
PowerStore appliances running operating system version 3.0 or later support both FLR-E and FLR-C. When importing an FLR-enabled file system from a VNX2 or Unity system to a
PowerStore appliance, ensure the
PowerStore appliance is running operating system version 3.0 or later.
NOTE:PowerStore appliances running operating system version 2.1.x or earlier do not support file-based import and FLR.
Limitations related to host access and NFS datastores
When performing a VDM or NAS server import of FLR-enabled file systems to
PowerStore, the source VNX2 Data Mover or NAS server must be running the DHSM service for the import to succeed. Also, if the source DHSM service authentication is set to
None, you do not need to configure the DHSM credentials, username and password, on
PowerStore for import. However, if the source DHSM service authentication is set to either
Basic or
Digest, you must configure those credentials at the
PowerStore appliance as part of the import configuration. If DHSM is not already configured on the source file system, refer to the VNX2 or Unity system's Unisphere online help or the
VNX Command Line Interface Reference for File or
Unity Command Line Interface Reference for information about setting up the DHSM configuration on the respective source system.
PowerStore appliances do not support FLR on NFS datastores. Therefore, VNX2 or Unity FLR-enabled file systems cannot be imported to
PowerStore as NFS datastores. They can only be imported as file system objects.
NOTE:If the source VNX2 or Unity file system is FLR-enabled, you cannot change the destination resource from a file system to an NFS datastore. This action is not allowed.
Port requirements for DHSM when FLR is enabled
The default DHSM service port is 5080 on VNX2, Unity, and
PowerStore appliances. However, the VNX2 Data Mover (the physical Data Mover that hosts the VDM that is being imported) that is configured with the DHSM service can be set to a different port than the default. This port must match on both systems in order for the import of FLR-enabled file systems to succeed. To import FLR-enabled file systems when the source VNX2 Data Mover is using another port instead of the default, if possible, change the VNX2 Data Mover that is configured with the DHSM service to use the default port 5080.
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