Patent application number | Description | Published |
20110107358 | MANAGING REMOTE PROCEDURE CALLS WHEN A SERVER IS UNAVAILABLE - A server node can monitor the status of servers in a server cluster. The node may receive an alert indicating that a server in the server cluster is unavailable. In response to the alert, the node can send instructions that cause pending remote procedure call requests to be canceled and then reissued to another server in the server cluster instead of to the first server. | 05-05-2011 |
20110161335 | LOCATING THE LATEST VERSION OF REPLICATED DATA FILES - A list of servers known to a client is compared with lists of servers stored on the servers. An instance of content (e.g., a data file) can be accessed from a server on the list if at least a simple majority of the servers have the same version of the list. | 06-30-2011 |
20110252270 | UPDATING A LIST OF QUORUM DISKS - A node in a server cluster is designated as a quorum disk. The node stores a list of other nodes in the server cluster also designated as quorum disks. The node can replace the first list with a second and more recent list of quorum disks only if the second list is updated on at least a simple majority of quorum disks on the first list. | 10-13-2011 |
20120066435 | SCHEDULING OF I/O WRITES IN A STORAGE ENVIRONMENT - A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The data storage controller is configured to receive requests targeted to the data storage medium, said requests including a first type of operation and a second type of operation. The controller is further configured to schedule requests of the first type for immediate processing by said plurality of storage devices, and queue requests of the second type for later processing by the plurality of storage devices. Operations of the first type may correspond to operations with an expected relatively low latency, and operations of the second type may correspond to operations with an expected relatively high latency. | 03-15-2012 |
20120066447 | SCHEDULING OF I/O IN AN SSD ENVIRONMENT - A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The characteristics of corresponding storage devices are used to schedule I/O requests to the storage devices in order to maintain relatively consistent response times at predicted times. In order to reduce a likelihood of unscheduled behaviors of the storage devices, the storage controller is configured to schedule proactive operations on the storage devices that will reduce a number of occurrences of unscheduled behaviors. | 03-15-2012 |
20120066448 | SCHEDULING OF REACTIVE I/O OPERATIONS IN A STORAGE ENVIRONMENT - A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The characteristics of corresponding storage devices are used to schedule I/O requests to the storage devices in order to maintain relatively consistent response times at predicted times. Should a device exhibit an unscheduled behavior which may be indicative of the device being in an unknown state, the scheduler may schedule one or more reactive operations on the device configured to cause the device to enter a known state. | 03-15-2012 |
20120066449 | SCHEDULING OF RECONSTRUCTIVE I/O READ OPERATIONS IN A STORAGE ENVIRONMENT - A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The storage controller is configured to receive a read request targeted to the data storage medium, and identify at least a first storage device of the plurality of storage devices which contains data targeted by the read request. In response to either detecting or predicting the first storage device will exhibit variable performance, the controller is configured to generate a reconstruct read request configured to obtain the data from one or more devices of the plurality of storage devices other than the first storage device. | 03-15-2012 |
20130275710 | SCHEDULING OF I/O WRITES IN A STORAGE ENVIRONMENT - A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The data storage controller is configured to receive requests targeted to the data storage medium, said requests including a first type of operation and a second type of operation. The controller is further configured to schedule requests of the first type for immediate processing by said plurality of storage devices, and queue requests of the second type for later processing by the plurality of storage devices. Operations of the first type may correspond to operations with an expected relatively low latency, and operations of the second type may correspond to operations with an expected relatively high latency. | 10-17-2013 |
20140075105 | SCHEDULING OF I/O IN AN SSD ENVIRONMENT - A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The characteristics of corresponding storage devices are used to schedule I/O requests to the storage devices in order to maintain relatively consistent response times at predicted times. In order to reduce a likelihood of unscheduled behaviors of the storage devices, the storage controller is configured to schedule proactive operations on the storage devices that will reduce a number of occurrences of unscheduled behaviors. | 03-13-2014 |
20140075115 | SCHEDULING OF RECONSTRUCTIVE I/O READ OPERATIONS IN A STORAGE ENVIRONMENT - A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The storage controller is configured to receive a read request targeted to the data storage medium, and identify at least a first storage device of the plurality of storage devices which contains data targeted by the read request. In response to either detecting or predicting the first storage device will exhibit variable performance, the controller is configured to generate a reconstruct read request configured to obtain the data from one or more devices of the plurality of storage devices other than the first storage device. | 03-13-2014 |
20140136808 | SCHEDULING OF I/O WRITES IN A STORAGE ENVIRONMENT - A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The data storage controller is configured to receive requests targeted to the data storage medium, said requests including a first type of operation and a second type of operation. The controller is further configured to schedule requests of the first type for immediate processing by said plurality of storage devices, and queue requests of the second type for later processing by the plurality of storage devices. Operations of the first type may correspond to operations with an expected relatively low latency, and operations of the second type may correspond to operations with an expected relatively high latency. | 05-15-2014 |
20150032958 | SCHEDULING OF RECONSTRUCTIVE I/O READ OPERATIONS IN A STORAGE ENVIRONMENT - A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The storage controller is configured to receive a read request targeted to the data storage medium, and identify at least a first storage device of the plurality of storage devices which contains data targeted by the read request. In response to either detecting or predicting the first storage device will exhibit variable performance, the controller is configured to generate a reconstruct read request configured to obtain the data from one or more devices of the plurality of storage devices other than the first storage device. | 01-29-2015 |
20150254004 | SCHEDULING OF I/O WRITES IN A STORAGE ENVIRONMENT - A system and method for effectively scheduling read and write operations among a plurality of solid-state storage devices. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array comprises an I/O scheduler. The data storage controller is configured to receive requests targeted to the data storage medium, said requests including a first type of operation and a second type of operation. The controller is further configured to schedule requests of the first type for immediate processing by said plurality of storage devices, and queue requests of the second type for later processing by the plurality of storage devices. Operations of the first type may correspond to operations with an expected relatively low latency, and operations of the second type may correspond to operations with an expected relatively high latency. | 09-10-2015 |
Patent application number | Description | Published |
20140087175 | CLOSED-CELL TANNIN-BASED FOAMS - Disclosed are foam compositions and processes to form closed-cell tannin-based foams. The foams comprises a continuous polymeric phase defining a plurality of cells, wherein the continuous polymeric phase comprises a tannin-based resin derived from a tannin, a first monomer, and a second monomer, wherein the first monomer comprises formaldehyde, paraformaldehyde, furfural, glyoxal, acetaldehyde, 5-hydroxymethylfurfural, acrolein, levulinate esters, sugars, 2,5-furandicarboxylic acid, 2,5-furandicarboxylic aldehyde, urea, difurfural (DFF), or mixtures thereof, and the second monomer comprises furfuryl alcohol, glycerol, sorbitol, lignin, or mixtures thereof, and wherein the plurality of cells comprises a plurality of open-cells and a plurality of closed-cells with an open-cell content measured according to ASTM D6226-5, of less than 50%. The foam composition also comprises a discontinuous phase disposed in at least a portion of the plurality of closed-cells, the discontinuous phase comprising one or more blowing agents. | 03-27-2014 |
Patent application number | Description | Published |
20090210689 | REMOTE MANAGEMENT OF UEFI BIOS SETTINGS AND CONFIGURATION - In an information handling system (IHS), remote management of basic input/output system (BIOS) settings and configuration includes maintaining a BIOS setting/configuration database, providing an application to communicate a BIOS setting/configuration from the database to a BIOS system, determining whether the BIOS setting/configuration communicated from the database to the BIOS system is a special BIOS configuration capsule packet, and validating BIOS setting/configuration. | 08-20-2009 |
20100042821 | Methods and systems for providing manufacturing mode detection and functionality in a UEFI BIOS - Methods and systems are described for managing manufacturing modes in a unified extensible firmware interface (UEFI) basic input output system (BIOS). The UEFI BIOS can include a PEI (pre-EFI) manufacturing mode driver, a PEI interface, PEI drivers, a DXE (driver execution environment) manufacturing mode driver, a DXE interface, DXE drivers, a SMM (system management mode) manufacturing mode driver, a SMM interface, and SMM drivers. Manufacturing mode data is stored and accessed through a PEI manufacturing mode driver, a DXE manufacturing mode driver, or a SMM manufacturing mode driver, and/or any combination thereof. The PEI interface is used to communicate manufacturing mode data between PEI drivers and the PEI manufacturing mode driver. The DXE interface is used to communicate manufacturing mode data between DXE drivers and the DXE manufacturing mode driver. And the SMM interface is used to communicate manufacturing mode data between SMM drivers and the SMM manufacturing mode driver. | 02-18-2010 |
20110154009 | REMOTE MANAGEMENT OF UEFI BIOS SETTINGS AND CONFIGURATION - In an information handling system (IHS), remote management of basic input/output system (BIOS) settings and configuration includes maintaining a BIOS setting/configuration database, providing an application to communicate a BIOS setting/configuration from the database to a BIOS system, determining whether the BIOS setting/configuration communicated from the database to the BIOS system is a special BIOS configuration capsule packet, and validating BIOS setting/configuration. | 06-23-2011 |
20130198505 | REMOTE MANAGEMENT OF UEFI BIOS SETTINGS AND CONFIGURATION - In an information handling system (IHS), remote management of basic input/output system (BIOS) settings and configuration includes maintaining a BIOS setting/configuration database, providing an application to communicate a BIOS setting/configuration from the database to a BIOS system, determining whether the BIOS setting/configuration communicated from the database to the BIOS system is a special BIOS configuration capsule packet, and validating BIOS setting/configuration. | 08-01-2013 |