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Emc Ip Holding Company Llc patents


Recent patent applications related to Emc Ip Holding Company Llc. Emc Ip Holding Company Llc is listed as an Agent/Assignee. Note: Emc Ip Holding Company Llc may have other listings under different names/spellings. We're not affiliated with Emc Ip Holding Company Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Emc Ip Holding Company Llc-related inventors


 new patent  Parallel processing database system

A method and system for executing database queries in parallel using a shared metadata store. The metadata store may reside on a master node, where the master node is the root node in a tree. The master node may distribute query plans and query metadata to other nodes in the... Emc Ip Holding Company Llc

Incremental erasure coding for storage systems

A method comprising: generating a storage chunk having a plurality of data fragments, the storage chunk stored in one or more storage devices; allocating space in a primary memory to store a plurality of coded fragments; receiving a plurality of I/O requests to write data; allocating space in the primary... Emc Ip Holding Company Llc

Data object recovery for storage systems

A method comprising: receiving an I/O request for object data; determining one or more data fragments wherein the object data is stored; determining that one or more of the data fragments are unavailable; determining, from within the one or more unavailable data fragments, a set of slices storing the object... Emc Ip Holding Company Llc

Method and device for data center management

Embodiments of the present disclosure provide a method and device for data center management. For example, there is provided a method, comprising: obtaining information of hardware used in a data center, the information of the hardware including identification information describing an identifiable attribute of the hardware; identifying the hardware by... Emc Ip Holding Company Llc

Incremental bloom filter rebuild for b+ trees under multi-version concurrency control

A method comprising: processing an update to a search tree and updating statistics, the search tree storing information about one or more objects indexed by corresponding object keys; determining to rebuild a first Bloom filter based on the statistics, the first Bloom filter associated with the search tree; generating a... Emc Ip Holding Company Llc

Ingestion manager for analytics platform

An apparatus in one embodiment comprises an ingestion manager, a plurality of ingestion engines associated with the ingestion manager, and an analytics platform configured to receive data from the ingestion engines under the control of the ingestion manager. The ingestion manager is configured to interact with one or more of... Emc Ip Holding Company Llc

Efficient erasure coding of large data objects

A system, computer program product, and computer-executable method for use with a distributed storage system comprising a plurality of storage nodes each having attached storage devices, the system, computer program product, and computer-executable method including receiving a request, at a first storage node of the plurality of storage nodes, to... Emc Ip Holding Company Llc

Method and system for delivering message in storage system

A method and a system for delivering a message in a storage system. In one embodiment of the present invention, there is provided a method for delivering a message in a storage system comprising a first controller, a second controller, a first communication area and a second communication area. The... Emc Ip Holding Company Llc

Method and system for managing storage system

Embodiments of the present invention provide a method and a system for managing a storage system. In one embodiment of the present invention, there is provided a method for managing a storage system, where the storage system comprises a first controller, a second controller, a first communication area as well... Emc Ip Holding Company Llc

Method and system for managing storage system

Embodiments of the present invention provide a method and a system for managing a storage system. Specifically, in one embodiment of the present invention there is provided a method for managing a storage system, the method comprising: in response to receiving a write request for writing target data to the... Emc Ip Holding Company Llc

Method and device of resource orchestration using an object-oriented language

Embodiments of the present disclosure relate to a method and a device of resource orchestration resources using an object-oriented language, and a program. Specifically the present disclosure discloses a method of resource orchestration using an object-oriented language comprising: creating a correspondence relationship from concepts in the object-oriented language to a... Emc Ip Holding Company Llc

Data analysis in storage system

Embodiments of the present disclosure provide a method of analyzing data in a storage system, a storage system, and a computer program product. The method includes: in response to detecting a request for a data analytic job, obtaining target data for the data analytic job from a first storage device... Emc Ip Holding Company Llc

Cloud storage write cache management system and method

A method, computer program product, and computer system for monitoring health of at least one storage device of a cache in a clustered system. A recovery journal may be maintained, wherein the recovery journal may identify whether one or more chunks of data stored in the cache have been dumped... Emc Ip Holding Company Llc

Techniques for accurately apprising a user of progress in booting a virtual appliance

A method, performed by a computing device, includes (a) building a data structure that describes dependence relationships between components of a virtual appliance, the components comprising respective computational processes which may be invoked during booting, a dependence relationship indicating that one component must complete before a second component may be... Emc Ip Holding Company Llc

Method and managing a document index

Embodiments of the present disclosure relate to a method and apparatus for managing a document index. The method comprises determining an independently updatable field in a plurality of documents, the independently updatable field comprising at least one item. The method further comprises creating an index for an item in the... Emc Ip Holding Company Llc

Configuration management for cloud storage system and method

A method, computer program product, and computer system for receiving a change to a configuration parameter associated with a first cluster node in a cluster configuration. The configuration parameter may be stored in a shared cluster memory. The configuration parameter may be distributed from the shared cluster memory to the... Emc Ip Holding Company Llc

Method and device for managing input/output (i/o) of storage device

Embodiments of the present disclosure relate to a method and a device of managing input/output of a storage device. The storage device at least includes a first I/O port and a second I/O port. The method comprises receiving a first I/O request for the storage device, and determining a type... Emc Ip Holding Company Llc

Method and reproducing an i/o operation of a storage system

A method includes in response to receiving an I/O request for the storage system, determining information associated with the I/O request; generating a timestamp associated with the I/O request; and recording the information and the timestamp to reproduce an operation associated with the I/O request. A method comprises: in response... Emc Ip Holding Company Llc

Method and system for managing memory in storage device

Embodiments of the present invention relate to a method and system for managing a memory in a storage system. In one embodiment of the present invention, there is provided a method for managing a memory in a storage system. The storage system comprises a first controller, a first memory and... Emc Ip Holding Company Llc

Method and device for selecting raid level for mapped raid

A method and device for selecting a Redundant Array of Independent Disks (RAID) level for mapped RAID. The method comprises determining, for a given RAID level, a desired ratio of rebuilding speed between the mapped RAID and non-mapped RAID based on the first number of disks in the non-mapped RAID... Emc Ip Holding Company Llc

Method and adjusting throughput of storage device

Embodiments of the present invention relate to a method and apparatus for adjusting throughput of a storage device. The method comprises setting input/output (I/O) delay time of the storage device to be threshold delay time, the threshold delay time being below initial I/O delay time of the storage device. The... Emc Ip Holding Company Llc

Method and system for managing memories in storage system

A method and a system for managing memories in a storage system. In one embodiment of the present invention, there is provided a method for managing memories in a storage system comprising a first controller and a second controller. The method comprising: receiving an allocation request from a second controller... Emc Ip Holding Company Llc

Method and system for managing storage device

Embodiments of the present invention provide a method and system for managing a storage area. In one embodiment of the present invention, there is provided a method for managing a storage areas, comprising: obtaining a storage area in a storage system according to a predefined dividing rule: determining status regarding... Emc Ip Holding Company Llc

Method and data processing

Embodiments of the present disclosure relate to a method and apparatus for data processing. For example, a method is proposed, the method comprising: obtaining an intermediate identifier of data to be processed in an intermediate system; converting, based on an identifier mapping between the intermediate system and a remote system,... Emc Ip Holding Company Llc

Fault processing method, system, and computer program product

Various embodiments of the present disclosure generally relate to a fault processing method, system and computer program product. Specifically, the method may comprise determining a plurality of devices to be detected and corresponding device attributes. The method may also comprise performing a first fault detection for the plurality of devices... Emc Ip Holding Company Llc

Method and failover processing

Embodiments of the present disclosure provide a method and apparatus for failover. In an embodiment is provided a method implemented at a first node in a cluster comprising a plurality of heterogeneous nodes. The method comprises: determining whether an application at a second node in the cluster is failed; and... Emc Ip Holding Company Llc

Method and device for storage management

Embodiments of the present disclosure provide a method and device for storage management. The method comprises receiving at a storage management device a configuration request for a storage space managed by the storage management device, the configuration request indicating a capacity of the storage space and a target size of... Emc Ip Holding Company Llc

Input/output card for use in storage device and storage device

Implementations of the subject matter described herein provide an input/output (I/O) card for storage device and a storage device. The I/O card and the disk drive for the storage device have the same form factor and comply with the same protocol, to enable the I/O card and the disk drive... Emc Ip Holding Company Llc

Method and device for processing a multi-language text

Embodiments of the present disclosure provide a method and apparatus for processing a multi-language text. According to embodiments of the present disclosure, the multi-language text including contents in a plurality of languages may be encoded with a Unicode. The method further comprises splitting the multi-language text into a plurality of... Emc Ip Holding Company Llc

Method for filtering documents and electronic device

Embodiments of the present disclosure relate to a method and apparatus for document retrieval. The method comprises: determining, in response to receiving a request to retrieve a document from a user, information for the user; obtaining, based on the determined information, ACL information for the user from an ACL index,... Emc Ip Holding Company Llc

Rod for use in rack and holding device for use in cooperation with rack

Embodiments of the present disclosure provide a rod for use in a rack and a holding device for use in cooperation with the rack. The rod comprises: a first end provided with a bolt, the bolt having a trapezoidal thread, wherein when the rod is inserted into the rack through... Emc Ip Holding Company Llc

Storage device and powering storage device

Embodiments of the present disclosure provide a storage device and a method for powering the storage. The storage device is powered by a main power supply and the storage device comprises a processor, a baseboard management controller (BMC), a plurality of disks, a first backup power supply and a second... Emc Ip Holding Company Llc

Method and power supply to processor

Embodiments of the present invention relate to a solution for supplying power to a processor. In some embodiments, there is provided a method for supplying power to a processor. The method comprises, in response to determining that an output voltage of a main power supply supplying power to a processor... Emc Ip Holding Company Llc

Method and device for data backup

Embodiments of the present disclosure relate to a method and an apparatus for data backup. The method comprises selecting, from a service store, a backup service for an application. The method further comprises setting, for the application, configuration information associated with the selected backup service. Additionally, the method further comprises... Emc Ip Holding Company Llc

Discovering new backup clients

A system for discovering new backup clients is disclosed. The system comprises an input interface and a processor. The input interface is configured to receive a notice from a backup client. The processor is configured to provide an indication of the notice and select a configuration mode from a set... Emc Ip Holding Company Llc

12/07/17 / #20170351579

Parallel node backup for csv

Techniques to back up a cluster shared volume (CSV) are disclosed. In various embodiments, a snapshot of the cluster shared volume is stored persistently on the cluster shared volume itself. A task to back up a corresponding assigned portion of the snapshot is assigned to each of one or more... Emc Ip Holding Company Llc

11/16/17 / #20170329529

Data protection using change-based measurements in block-based backup

Data protection using change-based measurements in block-based backup is disclosed. Block change information indicating an extent of change associated with a volume may be determined. The block change information may be based at least in part on stored information indicating monitored changes to blocks in the volume. A backup operation... Emc Ip Holding Company Llc

11/16/17 / #20170329676

Data access during data recovery

A method, article of manufacture, and apparatus for accessing data during data recovery. In some embodiments, this includes sending an I/O request from an application to an object, wherein the object is being recovered, establishing an I/O intercept, intercepting the application's I/O request with the I/O intercept, and redirecting the... Emc Ip Holding Company Llc

10/26/17 / #20170308554

Auto-determining backup level

A system for auto-determining a backup level comprises an input interface and a processor. The input interface is configured to receive backup information. The processor is configured to determine whether a backup criterion is satisfied, based at least in part on the backup information, and in the event the backup... Emc Ip Holding Company Llc

10/26/17 / #20170308450

Computer-implemented method, computer program product and computing system

A method, computer program product, and computing system for associating a local communications port on a local computing device with a DUT communications port on a Device-Under-Test. A user is enabled to remotely access the DUT communications port via the local communications port using a remote computing device.... Emc Ip Holding Company Llc

10/05/17 / #20170285943

Balancing ssd wear in data storage systems

A technique for use in balancing flash drive wear in data storage systems is disclosed. multiple sets of flash drives are identified where data is stored as multiple slices striped across the set of flash drives. A write rate at which data will be written to the multiple slices stored... Emc Ip Holding Company Llc

10/05/17 / #20170285952

System and quasi-compacting garbage collection

A method, computer program product, and computer system for identifying, by a computing device, a plurality of used chunks, wherein the plurality of used chunks may include a plurality of free blocks and at least one non-free block. A capacity of the plurality of free blocks that is available to... Emc Ip Holding Company Llc

10/05/17 / #20170285972

Managing ssd write quotas in data storage systems

A technique for use in balancing flash drive wear in data storage systems is disclosed. multiple sets of flash drives are identified where data is stored as multiple slices striped across the set of flash drives. A write rate at which data will be written to the multiple slices stored... Emc Ip Holding Company Llc

10/05/17 / #20170285973

Managing ssd wear rate in hybrid storage arrays

A technique for use in balancing flash drive wear in data storage systems is disclosed. Multiple sets of flash drives are identified where data is stored as multiple slices striped across the set of flash drives. A write rate at which data will be written to the multiple slices stored... Emc Ip Holding Company Llc

10/05/17 / #20170286009

System and reference tracking garbage collector

A method, computer program product, and computer system for determining, by a computing device, that an object of a plurality of objects is an orphan. It may be determined that the object is older than a threshold age. A capacity occupied by the object may be reclaimed based upon, at... Emc Ip Holding Company Llc

10/05/17 / #20170286227

System and synchronization in a cluster environment

A method, computer program product, and computer system for performing, via a first computing device, a copy sweep operation to a first range of data on a source storage device. It may be determined that the copy sweep operation has failed. A message may be sent to a second computing... Emc Ip Holding Company Llc

10/05/17 / #20170286309

Write cache system and method

A method, computer program product, and computer system for receiving, at a first computing device, a first data chunk sent from a second computing device. It may be determined that the first data chunk includes a first type of data. The first data chunk may be stored to a cache... Emc Ip Holding Company Llc

10/05/17 / #20170288704

Accelerated erasure coding for storage systems

A method for generating coded fragments comprises receiving data to be encoded, splitting the data into a plurality of data fragments, identifying a first group of data fragments from among the plurality of data fragments using a coding matrix, summing the data fragments within the first group of data fragments... Emc Ip Holding Company Llc

09/28/17 / #20170277595

Unified protection of cluster suite

Techniques to back up data associated with a cluster environment are disclosed. In various embodiments, an indication is received to back up data associated with the cluster. A backup configuration data associated with the cluster is used to back up, in a unified backup operation, one or more save sets... Emc Ip Holding Company Llc

09/21/17 / #20170269163

Method and testing battery conditions

Embodiments of the present disclosure provide a method and apparatus for testing a condition of a battery. In one embodiment, a testing instruction for the battery is received from a controller of a device. In response to reception of the instruction, the battery is caused in a testing mode in... Emc Ip Holding Company Llc

09/21/17 / #20170269646

Rack-mounted server

Embodiments of the present disclosure provide a rack-mounted server. The rack-mounted server comprises a first drive bay and a second drive bay, the first drive bay and the second drive bay include a plurality of drive slots respectively, and the second drive bay is disposed outside of the first drive... Emc Ip Holding Company Llc

09/21/17 / #20170269845

Method and device for data backup

Embodiments of the present disclosure provide a device for data backup comprising: a secondary backup device coupled to a primary backup device, the secondary backup device further comprising data segmentation unit operable to divide target data to be backed up into a plurality of data segments; data fingerprint generation unit... Emc Ip Holding Company Llc

09/21/17 / #20170269846

Method and device for storage management

Embodiments of the present disclosure provide a method and device for storage management. The method comprises: receiving from a host a storage creating request which specifies a target capacity expected by the host creating for the host a first group of logical units having the target capacity; associating the first... Emc Ip Holding Company Llc

09/21/17 / #20170269859

Method and storage system

The present disclosure provides a method and an apparatus for a storage system. The storage system includes an active storage site and a standby storage site, and a logical unit number LUN for a storage pool of the active storage site is replicated to a LUN for a storage pool... Emc Ip Holding Company Llc

09/21/17 / #20170269905

Method and delivering software solutions

Embodiments of the present disclosure provide a method and apparatus of software solution delivery. The method comprises: receiving hardware requirements and software requirements associated with the software solution; determining, according to the hardware requirements and the software requirements, hardware resources and delivery contents associated with the software solution based on... Emc Ip Holding Company Llc

09/21/17 / #20170269983

Method and managing device failure

Embodiments of the present disclosure relate to a method and apparatus for managing a failure of a device. The method comprises detecting whether a failure occurs in a device, and generating a failure report for the failure in response to the failure occurring in the device. The method further comprises... Emc Ip Holding Company Llc

09/21/17 / #20170269985

Method and failure classification

Embodiments of the present disclosure provide a method and apparatus for classifying a failure. The method comprises obtaining a log associated with a failure and identifying a key event in the log, and the key event indicates a predetermined situation. The method further comprises determining a similarity between the failure... Emc Ip Holding Company Llc

09/21/17 / #20170269990

Method and handling errors in a storage system

Various embodiments of the present disclosure provide a method and apparatus for handling errors in a storage system. The method includes: determining configuration of a failed platform of a storage system; based on the determined configuration of the platform, determining policy for handling errors; and in response to detecting the... Emc Ip Holding Company Llc

09/21/17 / #20170270000

Method for storage management and storage device

Embodiments of the present disclosure provide a method for storage management and a storage device. The method for storage management comprises; dividing a first storage medium into a first group or extents and a second group of extents, each extent including a plurality of logically continuous blocks of the first... Emc Ip Holding Company Llc

09/21/17 / #20170270002

Evaluation for rebuilding performance of redundant arrays of independent disks

Embodiments of the present disclosure provide a solution of evaluating a rebuilding performance of a redundant array of independent disks. In some embodiments, there is provided a computer-implemented method, comprising: simulating, based on a first group of redundant arrays of independent disks, a rebuilding process for a second group of... Emc Ip Holding Company Llc

09/21/17 / #20170270018

Method and rebuilding redundant array of independent disks

Embodiments of the present disclosure relate to a method and apparatus for rebuilding redundant array of independent disks (RAID). The method comprises dividing a RAID group including a disk into a plurality of stripes in response to detecting a failure of the disk, and each stripe includes a disk slice... Emc Ip Holding Company Llc

09/21/17 / #20170270035

Method, device, and computer program product for testing code

A method, device, and computer program product for testing code. The method includes identifying a plurality of test points in the code and a plurality of test values to be assigned to the plurality of test points. At least one of the plurality of test points is to be assigned... Emc Ip Holding Company Llc

09/21/17 / #20170270114

Method and device for searching character string

Embodiments of the present disclosure provide a method and device for searching a character string. In one embodiment, a method of searching a character string is provided. The method comprises: determining a first set of documents including a first token in the character string, and a second set of documents... Emc Ip Holding Company Llc

09/21/17 / #20170270117

Converging of data management and data analysis

Various embodiments of the present disclosure provide a solution for converging a data management system and a data analysis system at the level of storage. In some embodiments, the present disclosure provides a computer-implemented method. The method includes obtaining, a data management system, a first file in a first format.... Emc Ip Holding Company Llc

09/21/17 / #20170270127

Category-based full-text searching

Various embodiments of the present disclosure provide a solution for category-based full-text searching. In some embodiments, there is provided a method of full-text searching. The method includes generating a first full-text index based on an obtained electronic document content. The method also includes categorizing the electronic document to determine a... Emc Ip Holding Company Llc

Patent Packs
09/21/17 / #20170270147

Method and storing data

The present disclosure provides a method and apparatus for storing data. The method comprises: extracting metric information and metadata associated with the metric information from time series data, the metric information including a time value and a numerical value at the time value; and staling the metric information in an... Emc Ip Holding Company Llc

09/21/17 / #20170270184

Methods and devices for processing objects to be searched

Embodiments of the present disclosure provide a method and device for processing objects to be searched. The method comprises: receiviug a first input indicating a constraint associated with an object; receiving a second input indicating a category to which the object belong; and establishing, based on the first input and... Emc Ip Holding Company Llc

09/21/17 / #20170273048

Method and device for positioning

Embodiments of the present disclosure disclose a method of positioning and a corresponding portable device. In one embodiment, a method of positioning is provided. The method comprises: capturing, by image capturing equipment of a portable device, a visually encoded to in an environment decoding the visually encoded tag to obtain... Emc Ip Holding Company Llc

09/21/17 / #20170273210

Drive assembly, chassis assembly, and server device

Embodiments of the present disclosure relate to a drive assembly, a chassis assembly, and a server device. The drive assembly comprises: a drive having a first end extending in a direction perpendicular to a length direction of the drive and a first side extending in a direction perpendicular to a... Emc Ip Holding Company Llc

09/14/17 / #20170262032

Method and controlling a network node

Embodiments of the present disclosure provide a method and apparatus of controlling a network node. The method comprises: providing a virtual PDU by using a computing device; and causing the virtual PDU to control power supply of the network node coupled to the virtual PDU according to a type of... Emc Ip Holding Company Llc

09/14/17 / #20170262216

Dynamic storage tiering based on predicted workloads

A technique for performing storage tiering in a data storage system includes monitoring storage demands over time to generate a time-based record of storage demands. Based on the time-based record, the data storage system makes predictions of future demand and proactively performs storage tiering based on the predictions. The technique... Emc Ip Holding Company Llc

09/14/17 / #20170262221

Methods and apparatuses for data migration of a storage device

Embodiments of the present disclosure provide methods and apparatuses for data migration of storage devices including registering at least one executing unit for data migration, each of the at least one executing unit corresponding to description file; extracting and storing information contained in the description file corresponding to each of... Emc Ip Holding Company Llc

09/14/17 / #20170262223

Optimized auto-tiering

Described are techniques for performing data movement optimization processing comprising: receiving a list of proposed data movements; ranking the list in accordance with one or more criteria associated with each of the proposed data movements of the list, wherein the one or more criteria for each proposed data movement, that... Emc Ip Holding Company Llc

09/14/17 / #20170262232

Method and optimizing data storage based on application

Embodiments of the present disclosure propose a method and apparatus for optimizing storage of application data. The method comprises obtaining description information for application data from an application; performing storage optimization based on the description information; and performing at least pan of a storage function to be implemented by the... Emc Ip Holding Company Llc

09/14/17 / #20170262336

Method and system for improving flash storage utilization by predicting bad m-pages

A method for managing persistent storage. The method includes selecting a page for a proactive read request, where the page is located in the persistent storage. The method further includes issuing the proactive read request to the page, receiving, in response to the proactive read request, a bit error value... Emc Ip Holding Company Llc

09/14/17 / #20170262385

Method and data storage service

Embodiments of the present disclosure provide a method and apparatus for providing data storage service. The method comprises: receiving a storage service template from an user, the storage service template specifying a storage service policy for the user and a service instance to launch; and providing a storage service according... Emc Ip Holding Company Llc

09/14/17 / #20170263090

Method and video surveillance

Embodiments of the present disclosure provide a method and apparatus for video surveillance. The method comprises: receiving a video data transmission request from a mobile device; registering the mobile device as a temporary surveillance device of the video surveillance system in response to the video data transmission request; establishing a... Emc Ip Holding Company Llc

09/14/17 / #20170264682

Data movement among distributed data centers

Embodiments of the present disclosure provide a method and an apparatus for data movement among distributed data centers in a peer network. The method comprises: reducing an amount of data to be moved by pre-processing the data; generating a torrent file for the data; distributing the torrent file to a... Emc Ip Holding Company Llc

09/07/17 / #20170256074

Lossless compression of fragmented image data

Lossless compression of fragmented image data is disclosed. In some embodiments, a stream of information comprising data elements having statistical characteristics is received. An encoded output is produced by an encoder comprising a data compressor that implements a variable length code that is adapted to the statistical characteristics of the... Emc Ip Holding Company Llc

08/31/17 / #20170249089

Method and maintaining reliability of a raid

a method and an apparatus for maintaining reliability of a mapped redundant array of independent disks. The method comprises: determining a first data loss probability, the first data loss probability indicating reliability of a traditional redundant array of independent disks; determining a second data loss probability, the second data loss... Emc Ip Holding Company Llc

Patent Packs
08/31/17 / #20170249370

Method and data processing

A method and apparatus for data processing including receiving a data loading request from a data processor; in response to receiving the data loading request, obtaining requested raw data from a data memory; in response to the raw data being unstructured data, extracting, textual data from the raw data with... Emc Ip Holding Company Llc

08/17/17 / #20170235642

High speed backup

High speed backup of a target volume to a VHD format is disclosed. In various embodiments, a hint data indicating a last known file system extent associated with a previously-processed data zone is received. The hint data is used to determine a starting file system extent at which to begin... Emc Ip Holding Company Llc

08/17/17 / #20170235643

Data recovery from multiple data backup technologies

A backup system comprises a tape backup storage storing a set of tape backup data, a snapshot backup storage storing a nearest snapshot, and a processor. The processor is configured to determine the nearest snapshot, wherein a snapshot time of the nearest snapshot is nearest in time to a backup... Emc Ip Holding Company Llc

08/17/17 / #20170235650

Backup appliance replication to provide virtual machine recovery at a remote site

Techniques to protect data are disclosed. A backup appliance configuration data associated with a first backup appliance associated with a first virtual machine environment is received at a host site. The backup appliance configuration data is replicated to a remote replication site. The backup appliance configuration data includes data usable... Emc Ip Holding Company Llc

08/17/17 / #20170235652

Method and system for star replication using multiple replication technologies

Example embodiments of the present invention relate to a method, a system, and a computer program product for performing data replication and backup. The method comprises performing a first data replication of a production site storage to a replication site storage and performing a first backup of the production site... Emc Ip Holding Company Llc

08/10/17 / #20170228294

Virtual proxy based backup

Techniques for virtual proxy based backup of virtual machines in a cluster environment are disclosed. In some embodiments, each of a subset of virtual machines hosted by physical nodes in a cluster environment is configured as a virtual proxy dedicated to backup operations. During backup, data rollover of each virtual... Emc Ip Holding Company Llc

07/20/17 / #20170206145

Caching of backup chunks

Contents of a plurality of backups that share a common characteristic are profiled. A portion of the plurality of backups is selected as a base backup reference data to be distributed. A first copy of the base backup reference data is stored at a storage of a backup server. A... Emc Ip Holding Company Llc

07/13/17 / #20170199695

Allocating raid storage volumes across a distributed network of storage elements

A distributed network of storage elements (DNSE) is provided in which the physical capacity of each drive is split into a set of equal sized logical splits which are individually protected within the DNSE using separate RAID groups. To reduce restoration latency, members of the RAID groups having a member... Emc Ip Holding Company Llc

07/13/17 / #20170199820

Managing cache compression in data storage systems

A technique for managing cache in a data storage system is disclosed. Data storage system cache memory is arranged into multiple input/output (IO) cache macroblocks, where a first set of IO cache macroblocks are configured as compressed IO cache macroblocks, each compressed IO cache macroblock storing a plurality of variable... Emc Ip Holding Company Llc

07/06/17 / #20170192695

Method and facilitating wear leveling of solid state disk

Embodiments of the present disclosure relate to a method and apparatus for facilitating wear leveling of a solid state disk (SSD). The method comprises obtaining a performance parameter of a SSD device of a plurality of SSD devices in the SSD cache, and the SSD device includes one or more... Emc Ip Holding Company Llc

07/06/17 / #20170192701

Method and device for data replication

There is provided a method and device for data replication. The method comprises: obtaining, in a network interface card, data segments by segmenting input first data; determining, in the network interface card, fingerprints corresponding to the data segments; and comparing, in a central processing unit, the fingerprints of the data... Emc Ip Holding Company Llc

07/06/17 / #20170192702

Method and operating hybrid storage devices

Embodiments of the present disclosure relate to a method and an apparatus for operating a hybrid storage device, the hybrid storage device including a storage device of a first type and a storage device of a second type that is different from the first type, the method comprising: synchronously writing... Emc Ip Holding Company Llc

07/06/17 / #20170192703

Method and device for recovering data replication between storage devices

There is provided a method and device for recovering data replication between storage devices. The method comprises: creating mirrored pairs between logical units of a primary storage device and logical units of a secondary storage device; in response to the primary storage device recovering from an interruption state to a... Emc Ip Holding Company Llc

07/06/17 / #20170192862

Method and backup communication

Embodiments of the present disclosure relate to a method and an apparatus for backup communication. The method comprises: detecting a failure of a management interface between a processor and a baseboard management controller; in response to detecting the failure of the management interface, performing backup communication between the processor and... Emc Ip Holding Company Llc

07/06/17 / #20170192895

Method and expanding cache size for cache array

There is provided a method and apparatus of expanding capacity for a cache array. The method includes in response to detecting that a first new cache disk is to be added to a first cache array, initializing the first new cache disk without disabling other cache disks in the first... Emc Ip Holding Company Llc

07/06/17 / #20170194796

Method and charging a battery pack

Embodiments of the present disclosure relate to a method and apparatus for charging a battery pack. The method comprises: detecting voltages of batteries in the battery pack in real time; charging the battery pack with a charging current that is at least based on the detected voltages; and performing, on... Emc Ip Holding Company Llc

07/06/17 / #20170195247

Method and cloud system

Embodiments of the present disclosure provide a method and apparatus for a cloud system. The method includes: dynamically selecting, based on available infrastructure resources and at least one resource request, a scheduling strategy from a set of candidate scheduling strategies; and applying the selected scheduling strategy to schedule the infrastructure... Emc Ip Holding Company Llc

06/29/17 / #20170185131

Method and supplying power to a processor

Embodiments of the present disclosure provide a method, an apparatus, an additional power supply, and a mainboard system for supplying power to a processor. The method comprises determining whether an additional power supply is able to provide extra power required by a processor in response to receiving a first signal... Emc Ip Holding Company Llc

06/29/17 / #20170185296

Methods and controlling data reading from a storage system

Embodiments of the present disclosure provide methods and apparatuses for controlling data reading from a storage system. The storage system includes a plurality of storage devices and a backup of the data is stored in each of the plurality of storage devices. A method comprises: receiving a read request for... Emc Ip Holding Company Llc

06/29/17 / #20170185309

Method and device for storage system

Embodiments of the present disclosure provide a method and device for a storage system. The method may include: replicating, through a first replication process, data in a first storage device to a second storage device to obtain a data replica; replicating, through a second replication process, metadata of the data... Emc Ip Holding Company Llc

06/29/17 / #20170185318

Method and managing data access

A method and apparatus for managing data access comprises: receiving a write request for writing data into one or more storage blocks; in response to determining that a storage block is unavailable, writing a part of the data into a virtual storage block corresponding to the storage block, the part... Emc Ip Holding Company Llc

06/29/17 / #20170185331

Method and controlling access to a disk array

A method and an apparatus for controlling an access to a disk array. The method comprises: receiving a command for writing to a first stripe of the plurality of stripes; and determining a first parity position for the first stripe by searching a mapping table, the mapping table recording a... Emc Ip Holding Company Llc

06/29/17 / #20170185452

Apparatus and data processing

Embodiments of the present disclosure provide a method and apparatus for data processing. The apparatus comprises: a dividing unit configured to divide, based on a predetermined policy, computation workload for data in a storage node into at least one sub-workload; and a dispatching unit configured to dispatch the at least... Emc Ip Holding Company Llc

06/29/17 / #20170185466

Method and device for determining causes of performance degradation for storage systems

Embodiments of the present disclosure provide a method and apparatus for determining a cause of performance degradation of a storage system. The method comprises: monitoring performance of the storage system according to a predetermined policy; generating a performance degradation event from a result of the monitoring based on system performance... Emc Ip Holding Company Llc

06/29/17 / #20170185467

Method and determining failure similarity in computing device

Embodiments of the present disclosure provide a method and an apparatus for a computing device. The computing device may generate stacks for crash dump in response to failures, each of the stacks may include a plurality of stack frames from bottom to top, and each of the stack frames may... Emc Ip Holding Company Llc

06/29/17 / #20170185497

Methods and devices for multi-level data protection in a storage system

A method and apparatus for multi-level data protection in a storage system. The storage system comprises a first storage device, a second storage device, and a third storage device, the method comprising: establishing a synchronous replication session between the first storage device and the second storage device so as to... Emc Ip Holding Company Llc

06/29/17 / #20170185498

Method and facilitating storage system recovery and relevant storage system

Embodiments of the present invention provide a method of facilitating recovering a storage system, the storage system comprising a plurality of system disks for storing system information of the storage system, and at least one array associated with the plurality of system disks to manage the plurality of system disks,... Emc Ip Holding Company Llc

06/29/17 / #20170185671

Method and determining similar document set to target document from a plurality of documents

Embodiments of the present disclosure provide a method and an apparatus for determining a similar document set to a target document from a plurality of documents. Each of the multiple documents and the target document may include a plurality of words, and each of words corresponds to a different integer.... Emc Ip Holding Company Llc

06/29/17 / #20170185705

Method and device for simulating disk drive

Embodiments of the present disclosure relate to a method and device for simulating a disk drive. The device comprises a converter configured to convert a received first signal for operating the device into a second signal and a third signal. The device further comprises a simulation controller configured to control... Emc Ip Holding Company Llc

06/29/17 / #20170187792

Method and distributed data processing

Embodiments of the present disclosure provide a method and apparatus for distributed data processing. The method comprises: receiving from an upstream node an input message attached with a shared count, the shared count being used for determining a processing status of a root message associated with the input message; processing... Emc Ip Holding Company Llc

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