System Requirements

  • x86 - compatible PC
  • 2 GByte RAM (4 GByte RAM is recommended)
  • CPU (1 GHz or faster are recommended)
  • HDD (SATA, SAS, SCSI, ATA) / RAID / Fibre Channel / iSCSI Storage
  • Network Interface Card (multi-cards 1Gb/s recommended for bonding)

Release notes

v.7.00 up57 21592


  • Online tutorials in GUI
  • HA cluster management with CLI API commands
  • Volumes availability monitoring with IPMI watchdog in HA cluster
  • Auto-Discovery AFP shares with Bonjour functionality
  • Support for SMB2 protocol
  • Ability to use external, removable device (e.g. USB, hot plug SATA/SAS) as a storage for Local Backup functionality (Dynamic Unit)
  • Windows Server 2012 Hyper-V drivers for paravirtualized hardware (hv_netvsc, hv_utils, hv_storvsc, hid-hyperv, v.4.1.0)
  • KVM drivers for paravirtualized hardware (virtio-net, virtio-scsi)
  • Tool for Newtech RAID management
  • Improved mechanism of hardware failure detection (low memory corruption)
  • Support for QLogic FastLinQ 45xxx Series Controllers (qed, qede, v. 



  • Kernel 3.10.101
  • Samba 3.6.25
  • Distributed Replicated Block Device (DRBD, v.8.4.6)
  • Memtest86+ V5.01
  • Tools for management Microsemi ("Adaptec") RAID controllers (maxView Storage Manager, v.2.02.22404, console: arcconf, v.2.02 (B22404))
  • Driver for Microsemi (Adaptec) RAID controllers (aacraid, v.
  • Driver for Areca adapters (arcmsr, v.1.30.0X.22-20151126)
  • Driver for ATTO 8GB FC adapters (celerity8fc, v.1.95)
  • Driver for ATTO 16GB FC adapters (celerity16fc, v.1.45)
  • Driver for ATTO 6GB HBA adapters (esas2hba, v.2.15)
  • Driver for ATTO RAID controllers (esas2raid, v.2.65)
  • Driver for ATTO 12GB HBA adapters (esas4hba, v.1.25)
  • Driver for ATTO FastFrame Fibre Channel over Ethernet Adapter (fastframe, v.1.30)
  • Driver for Broadcom Tigon3 network adapters (tg3, v.3.137k)
  • Driver for Chelsio T4/T5 network adapters (cxgb4, v.
  • Driver for Emulex OneConnect network adapters (be2net, v.
  • Driver for Emulex LightPulse Fibre Channel adapters (lpfc, v.0:
  • Driver for HP Smart Array controllers (hpsa, v.3.4.14-115)
  • Driver for Intel PRO/1000 network adapters (e1000e, v.3.3.3-NAPI)
  • Driver for Intel Gigabit Ethernet network adapters (igb, v.
  • Driver for Broadcom MegaRAID SAS controllers (megaraid_sas, v.06.811.02.00)
  • Driver for Broadcom HBA SAS adapters (mpt2sas, v.
  • Driver for Broadcom HBA SAS adapters (mpt3sas, v.
  • Driver for QLogic 1/10 GbE Converged/Intelligent network adapters (qlcnic, v.5.3.63)
  • Driver for Solarflare network adapters (sfc, v.
  • Driver for VMware Paravirtual SCSI Controllers (pvscsi, v.
  • Driver for VMware virtual network adapters (vmxnet3, v.
  • Driver for Hyper-V network adapters (hv_netvsc, v.4.1.0)
  • Driver for Hyper-V storage controllers (hv_storvsc, v.4.1.0)



  • Resizing NAS volume results in broken connection to NAS shares
  • Changing share path is not respected by some NAS protocols without reboot
  • Possible man in the middle attack in Samba (Badlock). (CVE-2016-2118 )
  • "make_iso.exe" does not work on Windows 8 and Windows 10
  • Statistics show huge values during restart system
  • In some forms ip address with "255" octet is rejected
  • Only fifty-first names of shares are listed correctly
  • In some environment it is not possible to use "Repair filesystem on LV (Logical Volumes)" function from console without manual disable some NAS protocols
  • Downloaded file with uid from "UID mappings (upload/download)" form has not actual list of users



  • Driver for Intel C600 Series Chipset SAS Controller (isci, v.1.1.0)



  • In case of using NFS Failover with Mac OS NFS client, please use the following 
        mount command: mount -t nfs -o hard,udp IP:/share_name /destination_directory
  • In case of a problem with the active Areca Raid Storage Manager it will be necessary to allow the web browser for a connection on a restricted port. In case of using Firefox: In a new tab, type about:config, next use right-click and choose Add new setting and enter in name dialog: with value 6667
  • Update to a new version cause that Memtest86+ will not be updated. In this case, please use the Memtest86+ on the prepared USB stick or CD.
  • In case of changing the e1000e driver parameters, information about a non-existing file or directory can be displayed on screen. The changed parameters will be respected after a reboot of the system
  • In case of using DSS V7 as Hyper-V guest, bonding ALB is not supported. Please use another type of bonding
  • "Allow access IP" function in "Data (file) replication agent settings" form does not work in case of choosing encrypted connection when creating Data (File) Replication task
  • After UPS configuration, it is necessary to do manual tests in order to verify if the UPS works correctly. In some environments, UPS status on GUI can show ONLINE even after incorrect configuration
  • Backup agents cannot be used when Failover service is started
  • Older versions of Myricom cards can work unstable
  • Function "nas_user_rename" in CLI/API returns an Internal Error, but the action is finished successfully
  • It is not possible to install DSS on a disk which contains SW RAID metadata
  • In some environments, the help link in Adaptec maxView Storage Manager is not working
  • It is not possible to change maxView Storage Manager default aac user password
  • There is no Persistent Reservation synchronization when failover is triggered by lack of access to ping nodes with a replication link interrupted at the same time
  • Sometimes Persistent Reservation statuses are not updated after hosts binding
  • In case of upgrading from DSS V6 version 6.0up95 or older, you can experience a problem with user modified driver options, which are not set properly during system booting. In order to resolve it, please go to the Console screen, enter "ctrl-alt-t -> Modify driver options" and apply the settings once again. The settings will be properly preserved in further versions
  • Synchronize UID and GID database with NIS server does not work properly
  • In case of more than one Domain Controller (DC) in the same forest, connection to one of those DC's can sometimes be lost
  • MPIO mode with FC HBA's in INITIATOR mode does not work. MPIO will function in FC TARGET mode.
  • After changing the default volume group (Select Default Volume Group) current settings will not be kept. To keep the current settings, use the Save settings function in WebGUI before switching the VG and restoring these settings. Afterwards, the system will need to be rebooted
  • Remote and console tools for managing FC do not work
  • In case of downgrade, it is necessary to configure Volume Replication tasks and Failover service again. Otherwise, it may not work correctly