International Business Machines Corporation

Windsor Wee Sun Hsu

Honesty Cheng Young

Shauchi Ong

Xiaonan Ma

Lan Huang

Jaishankar Moothedath Menon

Michael Anthony Ko

Stephen P Morgan

Lawrence Yium-Chee Chiu

Ying Chen

Pin Zhou

Hong Yu Chen

Spencer W Ng

John Davis Palmer

Soumyadeb Mitra

Edward Gustav Chron

According to the present invention, there is provided a system for securing data with a storage system. The system includes at least one storage device. In addition, the system includes a security mechanism for recognizing an attempt to insert or remove the storage device. Moreover, the system includes a management unit to control the insertion and removal of the storage device.

System and method for securing data within a storage system

According to the present invention, there is provided a method of providing a WORM storage system, the method including a sector-append capability. The method includes receiving data to be written to a WORM storage system. In addition, the method includes identifying a target sector at which the data is to be written. Also, the method includes determining if the received data can be added to the target sector. Moreover, the method includes adding the received data to the target sector if it is determined that the received data can be added to the target sector.

System and method for enabling efficient small writes to worm	 storage

Monitoring an activity profile for a given row of a database and determining a target database for a given row based on the activity profile of the given row. Identifying any row related to the given row and moving the given row and any row related to the given row into the target database while preserving referential integrity.

Managing a hierarchy of databases

The invention provides a method and apparatus for managing stored data objects. The method includes detecting involved attributes of stored data objects based on object management rules, determining expected data storage management costs for each possible order of attribute acquisition for the detected attributes, detecting an order of attribute acquisition that has a data storage management cost which is minimal or below a predetermined threshold, acquiring the attributes of the stored data objects based on the detected order of attribute acquisition, and executing an object management policy based on the acquired attributes to manage the stored objects at the low cost for object storage, attribute acquisition and policy evaluation.

Method and apparatus for using selective attribute acquisition and clause evaluation for policy based storage management

A virtual binding system ensures that the WORM logic for protecting data immutability cannot be circumvented, effectively guaranteeing WORM property of a WORM storage system composed of rewritable magnetic hard disks. To close the security hole between the rewritable media and the WORM logic, virtual binding securely authenticates the legitimacy of a WORM logic controller before granting data access on a WORM storage media. Furthermore, the system verifies the legitimacy of the WORM logic controller during data access. This approach virtually binds together the WORM logic controller and the WORM storage media even though the WORM logic controller and the WORM storage media may be physically separate.

Providing a virtual binding for a worm storage system on rewritable media

An object storage system provides a storage object to support index structures, logs, and audit trails in WORM storage. The storage object includes a mutable object, an immutable object, or an appendable object. For each storage object, the system maintains an indication of type, such as mutable, immutable, or appendable object type. A mutable object can be arbitrarily modified, an immutable object cannot be modified, and the contents of the appendable object cannot be modified but can be appended with new data. Appended data becomes immutable. The system enables a protection level represented by the object type to be upgraded but not downgraded. Consequently, data committed to be immutable cannot be changed by changing the type of the storage object.

Providing an object to support data structures in worm storage

A method to manage data located on networked devices is provided. The method includes replicating objects residing on the devices and collecting information about at least one of the objects or the devices. The method further includes receiving input on desired information governance policies and outcomes and analyzing the replicated objects, collected information and received input to determine an information governance action.

System and method for effecting information governance

A correctness verification system receives a query, executes the query using a query logic, and produces a query result. The query result comprises data records that satisfy the query, data verification objects associated with the data records, index segments accessed during the execution of the query, index verification objects associated with the index segments, and the query. The system transfers the query result to a verification system. The verification system verifies correctness of the query result by executing the query using the query logic. The verification system uses the data verification objects to verify integrity of the data objects, uses the index verification objects to verify the integrity of the index segments, and uses the index verification objects and the data verification objects to verify the completeness of the query result.

System and method for verifying the integrity and completeness of records

The invention provides a method and system for managing data access. The method includes receiving a request for accessing a file, determining a type of the received request that corresponds to an access pattern based on history of many files, marking the request based on the type of request to identify the request as a candidate to be part of a sequential scan for accessing files in a sequential order, and processing the request based on the marking to throttle access of the file in the case of a potential ongoing erroneously requested sequential scan.

Method and system for mitigating impact of user errors in data stores

A method to manage objects in an information lifecycle management system is provided. The method includes determining a score for each of the objects based on a score of at least one feature within respective ones of each of the objects where the score of the at least one feature being associated with a valuation of the at least one feature. The method also includes managing each of the objects based on the score for each of the objects wherein higher scored objects are managed preferentially.

System and method for content-based object ranking to facilitate information lifecycle management

A data migration system performs a tamper-resistant data migration for regulatory compliance systems. The system generates a secure hash for the data object, adds a timestamp to the hash, produces a signature for the data object using a private key, and includes the signature in a signature summary of data objects. Immediately prior to data migration, the system signs the signature summary of the set of data objects to be migrated. The signature of the data object maintains integrity of the data object by preventing undetectable modification to a data object during migration. The signed signature summary maintains completeness by preventing undetectable removal of a data object from or insertion of a data object into the set of data objects during migration.

System and method for performing a trust-preserving migration of data objects from a source to a target

The present invention relates to a method for proving the correctness of a query result produced by a data publisher while preserving the privacy of the query result. The method comprises delivering a public key of a public key/private key pair from a data owner to a client and delivering data and cryptographic metadata to at least one data publisher, wherein the metadata is associated both with the data and the public key of the public key/private key pair. The method further comprises receiving a query from the client, returning a query result and a verification object from the data publisher to the client in response to the query, and verifying the correctness of the query result, wherein the correctness of the query result is verified utilizing the verification object and the public key.

System and method for privacy preserving query verification

The invention relates to a system and method for providing efficient policy rule updates in policy-based data management. More particularly, the invention relates to a system and method for restraining the size of the set of data objects to be examined after a policy rule evaluation.

Methodology and computer program product for effecting rule evaluation in policy based data management

An intelligent router routes a user request to a storage server that is capable of handling that request natively, without emulation. The request is routed automatically, without any instruction or interaction on the part of the user. The intelligent router includes a storage tank-like computing environment and a set of intelligent routers. The set of intelligent routers appears as a single entity to users by presenting a single network IP address. When the intelligent router receives a request, it examines the protocol type and routes the request to one of the appropriate storage tank clients. The intelligent router does not change the contents of the request message, and thus the storage tank system do not become aware of the existence of the intelligent router. Consequently, any return messages do not need to go through the intelligent router, unless desired.

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San Jose, CA, United States of America

Windsor Wee Sun Hsu