The Distributed Storage System

To guarantee highest availability, the DSS stores data from DSS clients across a selection of disks that are widely distributed across storage nodes. While traditional storage systems typically store data to disks that are within the same storage system or storage server, the B-Virtual DSS will strive to store the data widely distributed across different disks, in different storage nodes which are potentially in different racks or sites if the DSS is deployed across several geographical locations. Due to this distributed storage strategy, failure of a single component such as a disk or a storage node has minimal impact on the overall data availability.

The way data is distributed across the available storage nodes is policy controlled. For each data set, you can decide the number of nodes that need to be included in the data spread and the number of simultaneous disk failures in this spread that the system needs to be able to survive.

These are the key features of the Distributed Storage System and the benefits that you experience from using the system.

Features

Scalability
While the B-Virtual DSS allows you to start small, it scales to multiple PetaBytes without service interruption or reconfiguration
Availability
The B-Virtual DSS allows you to control data redundancy, data availability and geographical data distribution by configuring storage policies on data sets
Automation
B-Virtual DSS has built in self-management and healing, reducing the cost of manual interventions.
Integrity
DSS continuously verifies the data stored on the DSS storage system and corrects disk errors automatically without impacting the data availability

Benefits

Operational cost reduction
The B-Virtual DSS increases you storage admin efficiency as it automates the management of large volumes of data across large numbers of storage nodes. With DSS your storage operators can manage over 10 times more storage.
High availability at lower disk cost
While the Distributed Storage System supports very high data availability levels, it will consume less disk capacity than typical RAID and replication based global storage configurations.

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