File Service Administration Guide for Hitachi NAS Platform

Version: 15.6.x
Audience: anonymous
Part Number: MK-92HNAS006-37
Published: 2026-03-20

File systems
File system access protocols
File system tiers
Data spillage between tiers
Confining new tiered file systems
Supported file system limits
Creating a new file system
Read caches
Dedupe File Systems
Deduplication characteristics
Deduplication interoperability with existing NAS Platform features
Calculating deduplication space savings
Viewing deduped file system usage
Managing file systems
Viewing available file systems
Displaying file system details
Formatting a file system
Standard bitmap support
Mounting a file system
Unmounting a file system
Deleting a file system
Undeleting a file system
Cloning files and directory trees
Cloning symlinks in directory trees
File clone commands
Tree clone commands
Deleting a tree directory with tree-delete
Important considerations when using tree-delete
Unmounting a file system and tree-delete
Undeletable directories
Using tree-delete
Submitting a tree-delete job
Troubleshooting tree-delete
Controlling file system space usage
File system utilization recommendations
Archive file systems
High activity file systems
Increasing the size of a file system
Thin provisioning file systems
Managing file system expansion
Enabling and disabling file system auto-expansion
Expanding a file system
Moving a file system
File system relocation
Using system lock on file systems
Enabling and disabling system lock for a file system
Recovering a file system
Restoring a file system from a checkpoint
File system recovery from a snapshot
Automatic file system recovery
Using deduplication file system
Determining sufficient space for dedupe conversion
Preparing for dedupe conversion
Viewing the deduplication file system page
Enabling dedupe for a file system
Converting a file system to enable dedupe
Dedupe support for object replication targets
Managing file system quotas
Managing usage quotas
Setting user and group file system quota defaults
Adding a quota
Modifying a file system quota
Deleting a file system quota
Managing quotas on virtual volumes
Advertising NFS exports for Virtual Volumes
Viewing and modifying virtual volume quotas
Setting user/group defaults
Exporting quotas for a specific virtual volume
Managing virtual volumes
Viewing virtual volumes
Adding a virtual volume
Modifying a virtual volume
Deleting a virtual volume
Enabling and disabling file system capacity and free space reporting based on virtual volume quotas
Using the per-file system throttle feature
Creating a read cache file system
Monitoring file system operations
Managing file system security
Viewing file system security
NFS security and Kerberos
Kerberos principal formats
Setting secure NFS
Mixed security mode
AES support for SMB
SMB access to native SMB files
NFS access to native NFS files
Client access to non-native files
UNIX security mode
Changing security modes
Mixed mode operation
File name representation
Symbolic links
Mixed mode operation and LDAP servers
Mandatory and advisory byte-range file locks in mixed mode
Opportunistic locks (oplocks)
Exclusive and batch oplocks
Level II oplocks
User and group names in NFSv4
Configuring user and group mappings
Managing NFS user and group mapping
Viewing NFS user mappings
Creating an NFS user mapping
Modifying user mappings
Deleting a user mapping
Adding group mappings manually
Modifying group mappings
Deleting a group mapping
About importing user or group mappings from a file or an NIS LDAP server
Importing a user mapping from a file or an NIS or LDSP server
Importing a group mapping from a file or an NIS LDAP server
File system auditing
About file system audit logs
Controlling file system auditing
Creating a file system audit policy
Configuring auditing on the Windows client
Enabling auditing for a file system
Modifying a file system audit policy
Enabling or disabling auditing for a file system
Deleting a file system audit policy
Displaying file system audit logs
Sharing resources with NFS clients
Enabling NFS Protocol Support
Supported clients and protocols
Supported NFS versions
NFS statistics
Unicode support
NFS and NIS unicode support
Changing the character set
Enabling and disabling file services
Configuring NFS exports
The NFSv4 pseudo file system
Kerberos configuration
Viewing NFS exports
Adding an NFS export
IP address export qualifiers
Specifying clients by name
Modifying NFS Export Details
Deleting an NFS export
Backing up or restoring NFS exports
About the rquotad service
Restrictive mode operation
Matching mode operation
Using SMB for Windows access
SMB protocol support
Supported SMB versions
Supported SMB3 functionality for Hyper-V
SMB3 Multichannel support
SMB3 Encryption support
SMB3 Encryption client file access configurations
Configuring SMB security
Assigning SMB names
Viewing SMB setup
Joining an Active Directory
Removing SMB server names
Configuring local groups
Adding a local group or local group members
Deleting a local group or local group members
Local user authentication for SMB and FTP users
Using local user authentication
Configuring SMB shares
Adding an SMB share
Viewing and modifying SMB shares details
Controlling access to shares using qualifiers
Controlling access to shares using permissions
Adding or changing SMB share access permissions
About Home Directories
Using home directories with cluster EVS name spaces
Offline file access modes
Backing up and restoring SMB shares
Considerations when using Hyper-V
Configuring the Service Witness Protocol
Configuring a witness EVS
Using Windows server management
Using the computer management tool
Restoring a previous version of a file
Transferring files with FTP
FTP protocol support
Configuring FTP preferences
Displaying FTP users
Adding an FTP user
Importing an FTP user
Modifying FTP users
FTP statistics
Configuring FTP audit logging
Block-level access through iSCSI
iSCSI support
iSCSI MPIO
iSCSI access statistics
iSCSI prerequisites
Supported iSCSI initiators
Offload engines
Configuring iSCSI
Configuring iSNS
Viewing iSNS servers
Configuring iSCSI Logical Units
Logical unit management
Logical unit security
Concurrent access to logical units
Taking snapshots of logical units
Volume full conditions
Managing iSCSI logical units
Viewing the properties of iSCSI logical units
Adding iSCSI logical units
Modifying an iSCSI logical unit
Deleting an iSCSI logical unit
Backing up iSCSI logical units
Restoring iSCSI logical units
Setting up iSCSI targets
Viewing the properties of iSCSI targets
Adding iSCSI targets
Adding a logical unit to an iSCSI target
Modifying the properties of an iSCSI target
Deleting an iSCSI target
Configuring iSCSI security (mutual authentication)
Configuring the storage server for mutual authentication
Changing the storage server’s mutual authentication configuration
Configuring the Microsoft iSCSI initiator for mutual authentication
Accessing iSCSI storage
Using iSNS to find iSCSI targets
Using target portals to find iSCSI targets
Accessing available iSCSI targets
Verifying an active connection
Terminating an active connection
Using Computer Manager to configure iSCSI storage
Hitachi Dynamic Provisioning
HDP high-level process
Understanding HDP thin provisioning
Understanding how HDP works with HNAS

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