Patent application number | Description | Published |
20120260050 | DATA STORAGE RESOURCE MANAGEMENT SYSTEMS AND METHODS - Storage systems and methods are presented. In one embodiment, a data storage resource management method comprises: performing a data update process, including communicating a data update input output packet between a primary storage resource and a secondary storage resource, wherein corresponding data updates in the secondary storage resource are a mirror of data updates in the primary storage resource; and performing a reclamation process, including: communicating reclamation information in a reclamation input output packet through the same interface as the data update input output packet, wherein the reclamation input output packet is communicated between the primary storage resource and the secondary storage resource; and reclaiming storage locations on the secondary storage resource in accordance with reclamation information in the reclamation input output packet communicated between the primary storage resource and secondary storage resource. | 10-11-2012 |
20120271870 | METHOD AND SYSTEM FOR RECLAIMING STORAGE ON A SHARED STORAGE DEVICE OR INDEPENDENT OF THE MOUNT STATE OF A FILE SYSTEM - A method for storage reclamation in a shared storage device. The method includes executing a distributed computer system having a plurality of file systems accessing storage on a shared storage device, and initiating a reclamation operation by using a reclamation agent that accesses the shared storage device. The method further includes reading the file system data structure that represent unallocated storage blocks of one of the plurality of file systems that will undergo a reclamation operation. A plurality of I/O resources that are used to provide I/O to the unallocated storage blocks are then interrupted. Storage from the unallocated storage blocks is then reclaimed, and normal operation of the I/O resources that are used to provide I/O to the unallocated storage blocks is resumed. | 10-25-2012 |
20130086413 | FAST I/O FAILURE DETECTION AND CLUSTER WIDE FAILOVER - A method for fast I/O path failure detection and cluster wide failover. The method includes accessing a distributed computer system having a cluster including a plurality of nodes, and experiencing an I/O path failure for a storage device. An I/O failure message is generated in response to the I/O path failure. A cluster wide I/O failure message broadcast to the plurality of nodes that designates a faulted controller. Upon receiving I/O failure responses from the plurality nodes, an I/O queue message is broadcast to the nodes to cause the nodes to queue I/O through the faulted controller and switch to an alternate controller. Upon receiving I/O queue responses from the plurality nodes, an I/O failover commit message is broadcast to the nodes to cause the nodes to commit to a failure and un-queue their I/O. | 04-04-2013 |
Patent application number | Description | Published |
20080228550 | APPARATUS AND METHOD FOR UTILIZING A TASK GRID TO GENERATE A DATA MIGRATION TASK - A computer readable storage medium includes executable instructions to present a task grid to a set of users. A specification of target column information and source column information is accepted from the set of users to produce a data migration task grid. A data migration task is generated from the data migration task grid. The data migration task is processed. | 09-18-2008 |
20140074850 | VISUALIZATION OF DATA FROM CLUSTERS - Embodiments are directed towards the visualization of machine data received from computing clusters. Embodiments may enable improved analysis of computing cluster performance, error detection, troubleshooting, error prediction, or the like. Individual cluster nodes may generate machine data that includes information and data regarding the operation and status of the cluster node. The machine data is received from each cluster node for indexing by one or more indexing applications. The indexed machine data including the complete data set may be stored in one or more index stores. A visualization application enables a user to select one or more analysis lenses that may be used to generate visualizations of the machine data. The visualization application employs the analysis lens to produce visualizations of the computing cluster machine data. | 03-13-2014 |
20140075327 | VISUALIZATION OF DATA FROM CLUSTERS - Embodiments are directed towards the visualization of machine data received from computing clusters. Embodiments may enable improved analysis of computing cluster performance, error detection, troubleshooting, error prediction, or the like. Individual cluster nodes may generate machine data that includes information and data regarding the operation and status of the cluster node. The machine data is received from each cluster node for indexing by one or more indexing applications. The indexed machine data including the complete data set may be stored in one or more index stores. A visualization application enables a user to select one or more analysis lenses that may be used to generate visualizations of the machine data. The visualization application employs the analysis lens to produce visualizations of the computing cluster machine data. | 03-13-2014 |
Patent application number | Description | Published |
20090276561 | SPI NAND PROTECTED MODE ENTRY METHODOLOGY - One or more techniques are provided for restricting access to protected modes of operation in a memory device. In one embodiment, detection circuitry is provided and configured to receive and evaluate a protected mode entry sequence for accessing a protected mode of operation. The detection circuitry may be further configured to temporarily enable an output pin on a serial interface between the memory device and a master device to receive inputs, such that a entry sequence may be entered on both the input and output pins. In another embodiment, the detection circuitry may be enabled only if a security code is first provided, thus requiring both the correct security code and entry sequence before protected mode access is allowed. The memory device may also include a parallel NAND memory array, and detection logic may be further configured to enable a serial-to-parallel NAND translator once protected mode access is allowed. | 11-05-2009 |
20120203952 | PROTECTING GROUPS OF MEMORY CELLS IN A MEMORY DEVICE - Methods for memory block protection and memory devices are disclosed. One such method for memory block protection includes programming protection data to protection bytes diagonally across different word lines of a particular memory block (e.g., Boot ROM). The protection data can be retrieved by an erase verify operation that can be performed at power-up of the memory device. | 08-09-2012 |
20140122804 | PROTECTING GROUPS OF MEMORY CELLS IN A MEMORY DEVICE - Methods for memory block protection and memory devices are disclosed. One such method for memory block protection includes programming protection data to protection bytes diagonally across different word lines of a particular memory block (e.g., Boot ROM). The protection data can be retrieved by an erase verify operation that can be performed at power-up of the memory device. | 05-01-2014 |