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| Number | Title | Issue Date |
| 8176367 | Systems and methods for managing end of life in a solid state drive Various embodiments of the present invention provide systems and methods for managing solid state drives. As an example, a storage system is described that include at least a first flash memory block and a second flash memory block, and a control circuit. The first ... | 05/08/2012 |
| 8122300 | Non-volatile redundant verifiable indication of data storage status A non-volatile redundant verifiable indication of data storage status is provided with respect to data storage operations conducted with respect to removable data storage media, and store the indication with an auxiliary non-volatile memory of the data storage media... | 02/21/2012 |
| 8117491 | Disk-drive device and method for error recovery thereof A method for an error recovery process in a disk-drive device. The method includes starting the error recovery process in response to an error which has occurred in a process corresponding to a command from a host to access a disk. The method also includes receiving... | 02/14/2012 |
| 8112679 | Data reliability bit storage qualifier and logical unit metadata Apparatus and associated method that stores first metadata only at the same addressable storage location of a computer readable medium as that where associated first user data is stored, and afterward satisfies a read request for the first user data by retrieving th... | 02/07/2012 |
| 8086911 | Method and apparatus for distributed reconstruct in a raid system Embodiments of the present invention provide techniques for distributing the reconstruction process of a failed storage device in an array of storage devices to storage systems in a storage system cluster (cluster). The inventive technique includes a storage system ... | 12/27/2011 |
| 8060794 | NAND flash memory and method for managing data thereof A NAND flash memory and method for managing data reads a header from each storage area, and identifies each storage area. Data of the primary storage area is updated if the primary storage area exists, and an operating system in the NAND flash memory is initiated ac... | 11/15/2011 |
| 8046641 | Managing paging I/O errors during hypervisor page fault processing In response to a hypervisor page fault for memory that is not resident in a shared memory pool, an I/O paging request is sent to an external storage paging space. In response to a paging service partition encountering an I/O paging error, a paging failure indication... | 10/25/2011 |
| 8032798 | Data retrieval systems Embodiments of methods and systems for controlling access to information stored on memory or data storage devices are disclosed. In various embodiments, methods of retrieving information from a data storage device previously deactivated by modification or degradatio... | 10/04/2011 |
| 8020048 | Power-on self test program management apparatus and its management method and program A POST management apparatus for managing a POST of an SB in a partition which operates in units of an OS using the CPU of the SB as a resource accesses the storage area storing the POST of the SB so as to perform read/write operation and to acquire/recognize the ind... | 09/13/2011 |
| 8020047 | Method and apparatus for managing storage of data In a method and apparatus for storage of data, data is stored. The stored data is checked, for example periodically and/or on data access, for development of a fault in the stored data. If a fault is detected, at least one of: (i) increased protection and (ii) incre... | 09/13/2011 |
| 7941709 | Fast connectivity recovery for a partitioned namespace A system and method for storing data. In one embodiment, a file system includes a hierarchy of nodes partitioned into a plurality of containers. The file system further includes metadata associated with each node. First metadata describes each node's references to o... | 05/10/2011 |
| 7937627 | Error tracking method and system An example of a method for error tracking includes sending a data object to a first location. This example also includes determining if the data object was successfully stored at the first location, and if so, storing meta data corresponding with the data object, wh... | 05/03/2011 |
| 7921339 | Flash storage device with data correction function A flash controller performs a data correction function while executing a copy back procedure for a flash memory, and the flash memory includes at least one memory unit and a page buffer. The flash controller contains: a transmission buffer, an error correction unit,... | 04/05/2011 |
| 7908526 | Method and system for proactive drive replacement for high availability storage systems Methods for preventing the failure of disk drives in storage systems are disclosed. A system and a computer program product for preventing the failure are also disclosed. Factors relating to the aging or early onset of errors in a disk drive are monitored. These fac... | 03/15/2011 |
| 7900095 | Memory controller for writing data into and reading data from a memory According to an aspect of an embodiment, a memory controller for writing data into and reading data from a memory, comprises an error detector for detecting an error of data stored in the memory when reading the data, a time stamper for generating first time informa... | 03/01/2011 |
| 7890815 | Detection and correction of dropped write errors in a data storage system A RAID system is provided for detecting and correcting dropped writes in a storage system. Data and a checksum are written to a storage device, such as a RAID array. The state of the data is classified as being in a “new data, unconfirmed” state. The state of wr... | 02/15/2011 |
| 7793168 | Detection and correction of dropped write errors in a data storage system Method, system and computer program product are provided for detecting and correcting dropped writes in a storage system. Data and a checksum are written to a storage device, such as a RAID array. The state of the data is classified as being in a “new data, unconf... | 09/07/2010 |
| 7793167 | Detection and correction of dropped write errors in a data storage system Methods are provided for detecting and correcting dropped writes in a storage system. Data and a checksum are written to a storage device, such as a RAID array. The state of the data is classified as being in a “new data, unconfirmed” state. The state of written... | 09/07/2010 |
| 7793166 | Methods and systems for recovering meta-data in a cache memory after a corruption event A method for recovering meta-data that has been subjected to corruption is disclosed for a cache memory. Each table entry in the cache memory has an in-cache indicator for indicating whether the data unit associated therewith is stored in a cache-slot in the cache m... | 09/07/2010 |
| 7752506 | FIFO memory error circuit and method A FIFO memory error circuit has a read pointer coupled to a FIFO memory. The read pointer has a logic high output once every FIFO memory cycle. A write pointer is coupled to the FIFO memory and has a logic high output once every FIFO memory cycle. An error detector ... | 07/06/2010 |
| 7747907 | Preventive recovery from adjacent track interference A predictive failure control circuit and associated method are provided in a data storing and retrieving apparatus. The circuit is configured to schedule a data integrity operation on data associated with a subportion of a data storage space, in relation to a compar... | 06/29/2010 |
| 7721161 | Method for controlling memory access A cyclic redundancy check (CRC) is used for improving error check coverage during memory access. In memory reading process, a part of read data is outputted from the memory via a CRC bus, and a CRC result and the other part of the read data are outputted from the me... | 05/18/2010 |
| 7711995 | Method and system for digital preservation having long term error-free storage, retrieval, and interpretation of digital files Digital preservation is realized in this invention by providing a method and system for long term error-free storage, having means for requested files to be retrieved error-free from the storage, and having means for interpretation of the retrieved files, for all th... | 05/04/2010 |
| 7657796 | System and method for distributed storage verification A system, method, and computer-accessible medium for storage management are disclosed. A failure condition is detected in a storage stack comprising a first host and a storage device. Data from the storage device is exported to a plurality of additional hosts. The d... | 02/02/2010 |
| 7617422 | Method, system, and program product for managing data decay The present invention provides a method, system, and program product for managing data decay. Specifically, under the present invention, usage information describing how data should be accessed is obtained. Thereafter, resource information describing resources avail... | 11/10/2009 |
| 7529982 | Method and an apparatus for aggressively detecting media errors on storage devices with negligible performance impact A method and an apparatus to aggressively detect media errors on storage devices with negligible performance impact have been disclosed. In one embodiment, the method includes computing a first data rate at or above which a scrub on a set of storage devices can be c... | 05/05/2009 |
| 7526686 | Apparatus, system, and method for active data verification in a storage system An apparatus, system and method of verifying data are provided. Active data are identified among data on a storage device, records the location of the active data, and the integrity of the active data are verified. In one embodiment, data in segments adjacent to the... | 04/28/2009 |
| 7516372 | Processor control system for supplying control instructions to a processor A processor control system allows stored program code to be replaced. The original code can be stored entirely in a first memory, for example a ROM, with correction instructions stored in a second memory, for example a RAM, and the second memory is accessed only whe... | 04/07/2009 |
| 7500153 | Method and system for error correction in disk drive using plural retry tables A plurality of retry tables is used for adaptive and flexible error correction during a read/write operation within a disk drive. The plurality of retry tables is stored in a data storage unit, and one of the retry tables is selected to be used for the error correct... | 03/03/2009 |
| 7461303 | Monitoring VRM-induced memory errors A system for improving Field Replacement Unit (FRU) isolation in memory sub-systems by monitoring Voltage Regulator Module (VRM) induced memory errors. A comparator compares the output voltage coming from the VRM to memory. If the comparator detects a VRM output vol... | 12/02/2008 |
| 7461302 | System and method for I/O error recovery A system and method for recovering from an I/O error in a distributed object-based storage system that includes a plurality of object storage devices for storing object components, a manager coupled to each of the object storage devices, wherein the object storage d... | 12/02/2008 |
| 7444577 | Memory device testing to support address-differentiated refresh rates A method of testing a dynamic random access memory (DRAM) device that has N rows of storage cells and that requires, in at least one operating mode, at least N refresh commands to be received from an external source within a specified time interval. The rows of stor... | 10/28/2008 |
| 7415654 | Data integrity checking A tester unit for evaluating data integrity of a block of data is described. The tester unit comprises a checksum determination facility adapted for deriving a checksum value from a block of data stored in a memory, and a checksum evaluation facility adapted for com... | 08/19/2008 |
| 7406628 | Simulated error injection system in target device for testing host system A method and device are provided that use a sequencer in the device to control interactions on an interface bus. The sequencer is programmed to interrupt a co-processor before execution of a command. Based on the interrupt signal and a stored error mode page, a fals... | 07/29/2008 |
| 7395466 | Method and apparatus to adjust voltage for storage location reliability According to embodiments of the present invention, an integrated circuit such as a processor includes a counter to count an actual number of unreliable storage locations in the processor cache, at least one register to store an acceptable number of unreliable storag... | 07/01/2008 |
| 7391237 | Robust and economic solution for FPGA bitfile upgrade A system for FPGA (Field Programmable Gate Array) upgrade includes: an FPGA, a FLASH memory and a CPLD. The FLASH memory includes a first section configured to store a workable version of bit files for the FPGA and a second section configured to store a backup versi... | 06/24/2008 |
| 7386596 | High performance storage access environment The present invention provides improved techniques for managing storage resources, such as disk drives, I/O ports, and the like in a network based storage system according to a user position within the network. Embodiments according to the present invention can prov... | 06/10/2008 |
| 7383384 | Providing multiple faults protection for an array of storage devices A data storage system including an array of storage devices and a storage controller is provided. The array of storage devices is configured to store information in the form of a plurality of stripes. The storage controller is configured to write a plurality of code... | 06/03/2008 |
| 7373559 | Method and system for proactive drive replacement for high availability storage systems Methods for preventing the failure of disk drives in storage systems are disclosed. A system and a computer program product for preventing the failure are also disclosed. Factors relating to the aging or early onset of errors in a disk drive are monitored. These fac... | 05/13/2008 |
| 7370177 | Mechanism for avoiding check stops in speculative accesses while operating in real mode A method and processor for avoiding check stops in speculative accesses. An execution unit, e.g., load/store unit, may be coupled to a queue configured to store instructions. A register, coupled to the execution unit, may be configured to store a value corresponding... | 05/06/2008 |
