The High Availability (HA) DDP series are modular Ethernet SAN Shared Storage Servers and consist of a dual DDPHead, who act as redundant metadata controller of one or more dual raid controller DDP or third party storage arrays.

The storage arrays can be filled with HDs and SSDs with various capacities.

The HA DDP series consists of a dual DDPHead base systems and can be combined with dual raid controller DDP or third party storage arrays.

The HA DDPs can scale both in capacity or bandwidth or both. These storage arrays can be filled with HD and SSD packs with various capacities, as raid 5 or raid 6 sets. Data failover is always transparant. Metadata failover for normal post production and MAM applications. It can be tuned for transparant playout or ingest.

Other advantages are: storage arrays can be added without down time. Also software updates can be without down time. Bandwidth of each storage array added can be up 5GB/s on reading and 3GB/s on writing and scales up linear. Capacity expansion can be more then 1PB per storage array.

HA DDPseries

 For increased performance SSD Caching can be used thus eliminating seek time resulting in a large increase in performance. To increase bandwidth further Load Balancing is used.

When storage is added at a later date the data will be redistributed automatically. The DDP works with one virtual volume /Filesystem which holds folders with volume properties, so-called Folder Volumes, the metadata. Data is stored in Data Locations, the data. Quota can be assigned to Folder Volumes to manage capacity.

Also Data Locations can be assigned to Folder Volumes. When balanced is selected, incoming data is distributed. When an SSD pack is purchased also caching can be assigned to Folder Volumes.

Storage, any DDP storage or DDPs themselves, can be added without users noticing and for the administrator without having to make changes in the web interface. For administrators who wishes full control the Storage Manager page in the web interface is available.

The connection between desktops, dual DDP Head and storage arrays is standard Ethernet and can vary from 1 to 100 GbE using standard Ethernet switches.

All DDPs use hardware Raid technology with redundant power supplies. Optionally 1GbE, 10GbE and 40/100 GbE ports can be added. The supported operating systems are OSX, Windows and Linux. In order to guarantee the high performance for every client, an iSCSI initiator and AVFS client driver must be installed. For clients wishing to use DDP as an NAS, no drivers are required.

The High Availability Scale Out DDP received a Product of the Year Award at NAB 2019.


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