NEC Storage HS8-40

• Features
• Specifications
• Brochure

Using innovative grid storage technology, NEC Storage HS8-40 is an advanced storage system for backup and archival that allows you to expand capacity non-disruptively while at the same time keeping maintenance costs as low as tape backup devices.

• Greater processing power than the previous model (HS8-30) while still being environmentally conscious, achieving low power consumption and a reduced weight
• Data compression technology improves storage efficiency, allowing operation at costs equivalent to tape
• With advanced autonomous management, administrator work load and administrative costs are reduced
• Data is distributed over multiple nodes. Higher reliability and failure tolerance than RAID
• Low cost remote replication made possible

The three core technologies supporting grid storage

Upgrade capacity and performance freely and non-disruptively: Dynamic Topology

Promoting lower costs by dramatically improving storage efficiency: Data compression
The data compression technology (DataRedux) used by NEC Storage HS intelligently divides data into variable length blocks to maximize the detection of duplicate data, which can then be removed, allowing for both increased storage efficiency and write speeds.

High reliability and tolerance to concurrent multiple failures surpassing RAID: Distributed Resilient Data

With high-dimensional redundancy surpassing that of conventional storage, data is divided into multiple blocks and parity data is added. The data blocks are then written to different disks across various nodes so that even if failures occur in multiple locations, data can still be recovered. Along with hard drive failures, even in the unlikely event that more than three node failures occur (*1), no data will be lost.

Key Features

Tamper-proof feature for data protection
The WORM (Write Once Read Many) feature protects data from unauthorized or accidental tampering, modification or deletion. The period of protection can be set per file, and protected files cannot be modified or deleted even by administrators. Protected files may be deleted after the protection period expires. As WORM protection is transferred when using replication, data is also protected at the replication site. When data is no longer needed, the functionality to completely physically delete it making recovery impossible is also available.

Improved efficiency by synthesizing incremental backups
Backup operations take longer and longer as the amount of data increases. NEC Storage HS does not require traditional periodical full backups, instead only needing to perform incremental backups. After performing an initial full backup, further full backups can be synthesized rapidly from incremental backups, drastically shortening backup times.

Replication packet encryption

During replication, packets are encrypted to enhance security and protect user data from being read by third parties. Encryption can be enabled or disabled per remote system. The encryption method used is AES (*2) (256bit) which has a reputation for safety and is commonly used in the storage industry.

Scalability, reliability and cost performance surpassing conventional backup devices

Affordable remote replication for disaster recovery

Backing up data to an off-site location as a disaster recovery measure by tape opens up the risk of tapes being stolen or lost while being transported. Replication with regular SAN storage requires a high-speed connection, resulting in high costs.

NEC Storage HS8 uses DataRedux technology to reduce the size of replication data, allowing replication to be performed even over low cost, slower connections.

Long-term system operation

Because NEC Storage HS uses a grid architecture consisting of a mesh of multiple nodes, old and new models of nodes can be used together. After adding a new node, data will automatically be migrated, after which the old node can be removed, effectively extending the lifetime of the system to that of the new node.

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