ETERNUS AF - Features

This page provides an overview of the main features supported by the FUJITSU Storage ETERNUS AF series All-flash arrays. It highlights their benefits and briefly describes each feature.
Supported products are shown on each feature page.

ETERNUS AF Features - Safety

High-speed replication

Advanced Copy functions Online high-speed backup
Advanced Copy EC Function to maintain a synchronized copy of operation volumes
Advanced Copy OPC Function to create a operation volume copy at any specific time
Advanced Copy QuickOPC Function to create an initial operation volume copy and then only copy subsequent updated data
Advanced Copy SnapOPC, SnapOPC+ Function to create a operational copy of data items before they are updated.
Fast Recovery This function recovers data quickly by relocating the data in a failed drive to other drives quickly when a drive error occurs.
Cooperative database data protection Backup using DB and the Advanced Copy function
Smart backup operation with VSS Backup using VSS and the Advanced Copy function

Disaster recovery

Remote Copy using Fibre Channel Interface Disaster Recovery by Remote Location Backup
Remote Copy using iSCSI Interface Disaster Recovery by Remote Location Backup
Remote Copy Disk Buffered REC over Low bandwidth Networks Remote Copy Disk Buffered REC over Low bandwidth Networks

Non-stop operation

Component redundancy and hot swap ETERNUS DX/ETERNUS AF have full redundant configuration and hot-maintenance capability.
Reverse Cabling Increasing storage system availability
Storage Cluster The Storage Cluster function enables operations to continue even if one storage system fails by switching to other storage systems.
Advanced RAID for assured data access even during a disk failure In ETERNUS DX/ETERNUS AF, each member disk drive of a RAID group is located in a different Drive Enclosure.
ETERNUS Multipath Driver Path failover
PRIMECLUSTER Inter-unit mirroring for even higher storage availability
PRIMECLUSTER Cluster system support

Data Integrity

Data Block Guard Data block check codes for improved data integrity
DB (Data Base) Data Guard Improved data reliability combined with Oracle DB
Disk drive patrol Disk drives and data integrity checking
Cache Guard Cache data protection during power failures
Redundant Copy Preventive exchange while maintaining redundancy
Copy-back and copy-back-less operation Data recovery and redundancy restore
Global Hot Spare Efficient management of hot spare disk drives between different RAID groups
Dedicated Hot Spare Hot spare disk use dedicated to a specific RAID group


Host Affinity Disk access settings for each host interface adopter
Data Encryption Data Encryption in the ETERNUS DX/ETERNUS AF
Robust security using SSL / SSH Encrypted transmission of information over a network

ETERNUS AF Features - Performance

Solid State Drives (SSD) Low-power, highly reliable and high performance drives
RAID Technologies that improve performance and avoid data loss caused by disk failure: RAID0, 1, 1+0, 5, 5+0, 6
Quality of Service (QoS) Maintaining service levels of high-priority tasks
Quality of Service Automation Automated resource management according to business priorities

ETERNUS AF Features - Efficiency

Drive Space Efficiency

Deduplication/Compression Reduce data in real-time in storage system
Compression Reduces total writes and extends the life of SSD


Thin Provisioning Storage capacity virtualization


Automated Tiering Investment optimization in combination with ETERNUS SF Storage Cruiser software

Storage Migration

Non-disruptive Storage Migration Storage migration without stopping a business server.
Storage Migration (online/offline) Reduce downtime for data migration

File Sharing

PRIMECLUSTER File sharing between UNIX servers


Logical Device Expansion Non-stop RAID group capacity expansion
RAID Migration Non-stop LUN migration to different RAID groups
LUN Concatenation LUN consolidation between different RAID groups


Easy setup, management and administration through GUI /CLI Setup, management and administration of storage
ETERNUS SF Integrated management software for ETERNUS

ETERNUS AF Features - Compatibility

VVOL (VMware vSphere Virtual Volumes) Easier deployment of VMs needs sophistcated storage arrays
VAAI (vStorage APIs for Array Integration) Performance Improvement in virtualized server environments

Further Information

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