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SAN /iQ manages the redundancy on a volume-by-volume basis. For each volume created, you simply select the SAN/iQ Network RAID level that meets your business requirements. Network RAID can be set to create one, two, three or four copies of data. In the case of a single copy of data, the data is striped across the storage modules. In Network RAID Level-2 configurations, the data is both striped and mirrored two times across all storage nodes in the cluster. The figure below demonstrates the block level write-scheme for each Network RAID level in a cluster of four storage modules. The ability to choose Network RAID by volume optimizes storage utilization, using additional storage only for data that warrants additional protection.
As storage modules are added to the storage pool, the data is re-striped across the cluster with no administrator involvement. This ensures an even distribution of the data, eliminates "hot-spots" and increases performance, increasing capacity at the same time. SAN/iQ Network RAID is a unique capability that gives you complete flexibility on how you protect your data and make it available to your application servers.
SAN/iQ® NETWORK RAID
Data Storage Systems, Inc. (DSS, Inc.) is an authorized Value Added Reseller for HP/LeftHand Networks and can provide integration, installation and support. For more information on HP/LeftHand Network SANiQ Network RAID, please call DSS, Inc. at (763) 416-0474 or e-Mail: sales@datastoragesys.com.
HP/LeftHand's SAN/iQ software stripes and mirrors multiple copies of data across the storage modules in a cluster using patented SAN/iQ Network RAID capability, completely eliminating any single point of failure in the SAN.
You'll have continuous data availability in the event of a network, disk, controller, or entire storage module failure. SAN/iQ Network RAID can also be integrated into environments where application servers are clustered, enabling true, seamless, geo-cluster solutions that provide both application and storage clustering across geographies.
Data Storage Systems, Inc. (DSS, Inc.) is an authorized Value Added Reseller for HP/LeftHand Networks and can provide integration, installation and support. For more information on HP/LeftHand Network SANiQ Network RAID, please call DSS, Inc. at (763) 416-0474 or e-Mail: sales@datastoragesys.com.
HP/LeftHand's SAN/iQ software stripes and mirrors multiple copies of data across the storage modules in a cluster using patented SAN/iQ Network RAID capability, completely eliminating any single point of failure in the SAN.
You'll have continuous data availability in the event of a network, disk, controller, or entire storage module failure. SAN/iQ Network RAID can also be integrated into environments where application servers are clustered, enabling true, seamless, geo-cluster solutions that provide both application and storage clustering across geographies.
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