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Caringo adds erasure codes, multi-tenancy for private storage clouds

Caringo is strengthening its hand for cloud storage with three new software products built on its CAStor object-based storage software.

The Elastic Content Protection (ECP), CloudScaler and Indexer are separately licensed products that can be used independently or in combination to build private and public clouds. ECP uses erasure codes to distribute data across locations, CloudScaler enables multi-tenancy and Indexer is a real-time indexing engine.

CAStor was originally developed as archiving software. Caringo CEO Mark Goros said customers already use CAStor for storage clouds, but features such as erasure codes and multi-tenancy make it better tailored for private clouds in large enterprises.

“We’ve had object storage software since 2006,” Goros said. “This is version six. That means it’s just coming of age, it’s at its peak prowess. Now we’re adding elastic content and erasure code protection.”

Dell uses Caringo software with its DX object storage platform, and Goros said he expects Dell will resell the new Caringo cloud services, too.

Caringo claims ECP can protect exabyte-scale storage by using erasure coding to divide objects and store slices in different places to allow data recovery if slices are lost. Other object storage products use erasure codes, including Cleversafe, AmpliData, Scality, EMC Atmos and DataDirect Networks Web Object Scaler (WOS). Some of these use the Reed-Solomon error correction code while others enhance Reed-Solomon.

Until now, Caringo used replication to protect its clusters. “Customers never had to worry about backups for CAStor clusters,” Goros said. “But as storage requirements get greater and we get to multiple petabytes, people are looking for ways to save space, power and cooling. You can now mix and match between replicas or erasure codes. For small data sets, you want to replicate because erasure code is not effective for that.”

CloudScaler consists of a software gateway appliance and a management portal. The gateway includes RESTful API and multi-tenant authentication and authorization capabilities. The portal provides tenant management and handles quotas, bandwidth and capacity metering. CloudScaler can be configured as public, private or hybrid cloud storage, but Goros said it is especially useful for building private clouds. He describes CloudScaler as “Amazon S3-like storage, but fast and secure in your own data center.”

The Indexer consists of a NoSQL data store that indexes objects in a CAStor cluster and allows searching by file name, unique identifier or metadata. The Indexer runs on separate hardware than CAStor but can integrate with the CloudScaler portal to present information in the GUI.

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