RICHARD A ROGERS
Broker in Stoughton, MA

2012007, Mar 29, 2012

Sep 24, 2010

12/889698

Richard ROGERS - Stoughton MA, US
Benjamin ISHERWOOD - Tewksbury MA, US
Matthew Michael McDONALD - Quincy MA, US
Donald P. PANNESE - Westford MA, US
David PINKNEY - Andover MA, US

HITACHI DATA SYSTEMS CORPORATION - Santa Clara CA

G06F 17/00, G06F 12/16, G06F 3/048

715810, 711114, 707687, 707E17005, 711E12103

A redundant array of independent nodes are networked together. Each node executes an instance of an application that provides object-based storage. The nodes are grouped into a plurality of systems each having multiple nodes. A data protection level method comprises setting a numerical value of a system dynamic data protection level for each system of nodes; and in response to user input, setting a value of a data protection level for one or more data objects in a system, the value being a fixed numerical value or a dynamic value. If the one or more data objects have a dynamic value of the data protection level in a system, the one or more data objects inherit the system dynamic data protection level of the system in which the one or more data objects reside. The value of the data protection level represents a number of copies of data of the one or more data objects to be kept where the one or more data objects reside.

8621270, Dec 31, 2013

Sep 24, 2010

12/889641

Benjamin Isherwood - Tewksbury MA, US
Donald P. Pannese - Westford MA, US
Richard Rogers - Stoughton MA, US
Vitaly Zolutusky - Arlington MA, US

Hitachi Data Systems Corporation - Santa Clara CA

G06F 11/00

714 622, 714 61, 714 62, 714 63, 714 42

A redundant array of independent nodes are networked together. Each node executes an instance of an application that provides object-based storage. The nodes are grouped into a plurality of systems each having multiple nodes. An object recovery method comprises: receiving, by a first system of the plurality of systems from a client application, a read request for an object, the object having been replicated to/from at least one second system among the plurality of systems; if the object of the read request is available in the first system, returning by the first system the object of the read request to the client application; and if the object of the read request is not available in the first system, performing a read from replica process by the first system to access a replica of the object from a second system among the plurality of systems and using the replica of the object to return the object of the read request to the client application.

8533161, Sep 10, 2013

Oct 30, 2009

12/609892

Matthew M. McDonald - Quincy MA, US
Vitaly Zolotusky - Acton MA, US
Richard E. Rogers - Stoughton MA, US
Christopher S. Lacasse - Grafton MA, US

Hitachi Data Systems Corporation - Santa Clara CA

G06F 7/00

707663, 707737, 707783

A content platform (or “cluster”) that comprises a redundant array of independent nodes is logically partitioned. Using a web-based interface, an administrator defines one or more “tenants” within the cluster, wherein a tenant has a set of attributes: namespaces, administrative accounts, data access accounts, and a permission mask. A namespace is a logical partition of the cluster that serves as a collection of objects typically associated with at least one defined application. Each namespace has a private file system with respect to other namespaces. This approach enables a user to segregate cluster data into logical partitions. Using the administrative interface, a namespace associated with a given tenant is selectively configured without affecting a configuration of at least one other namespace in the set of namespaces. One configuration option is a “disposition service” that, once enabled for a namespace, automatically deletes objects that were once under retention and whose retention time has expired. Preferably, the disposition service deletes objects that do not have a “retention hold” associated therewith.