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Hitachi Data Systems Corporation patents


Recent patent applications related to Hitachi Data Systems Corporation. Hitachi Data Systems Corporation is listed as an Agent/Assignee. Note: Hitachi Data Systems Corporation may have other listings under different names/spellings. We're not affiliated with Hitachi Data Systems Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hitachi Data Systems Corporation-related inventors


Deduplication and garbage collection across logical databases

In some examples, a plurality of nodes may each host a respective logical database (LDB) that includes database data that references external resources stored in a storage system. Further, each node may maintain, for each external resource referenced by the respective LDB on that node, a reference count of a... Hitachi Data Systems Corporation

Content class for object storage indexing system

In some examples, a plurality of content properties may be used for managing indexing of object data, such as a plurality of files. Each content property may include an expression for extracting data values from specific data fields in the object data. Further, each content property may include a name... Hitachi Data Systems Corporation

Content selection for storage tiering

A method, of managing storage of content of a system in storage units including run units which do not allow spin-down functionality and spin-down units which allow spin-down functionality, comprises: establishing a storage tiering rule which sets a policy indicating what content is eligible to be stored on a run... Hitachi Data Systems Corporation

A providing thin-provisioned block storage with multiple data protection classes

In some examples, a multi-node system may access physical storage divided into extents and further arranged into extent groups that may be allocated on demand as thin provisioned storage in response to write requests. Protection class instances are set with specified data protection capabilities. Each instance acts as a logical... Hitachi Data Systems Corporation

Systems and methods for highly-available file storage with fast online recovery

The storage system includes storage devices which have plural storage blocks. A first node with a first processor memory is configured to store first information which manages states of the storage blocks, and a second node including a second processor and memory is configured to store second information which manages... Hitachi Data Systems Corporation

Elastic metadata and multiple tray allocation

In some examples, both object data and corresponding metadata are stored on thin provisioned block storage in which blocks for the storage of the object data and the metadata are dynamically provisioned from a shared pool. For instance, the metadata may be stored on the block storage using a tree... Hitachi Data Systems Corporation

Data management system with console module

A data management system that is enabled such that the user can select a data source node, a repository and a data path, choose policies for each and distribute the policies to be managed by the management system.... Hitachi Data Systems Corporation

Data system for managing synchronized data protection operations at nodes of the data system, source node and destination node, and computer program product for use in such data system

The present application relates to a data system for managing synchronized data protection operations at plural nodes of the data system, the data system including at least a first node and a second node, wherein the first node is communicably connected to the second node and is configured to operate... Hitachi Data Systems Corporation








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