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1951 results about "Disaster recovery" patented technology
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Disaster Recovery involves a set of policies, tools and procedures to enable the recovery or continuation of vital technology infrastructure and systems following a natural or human-induced disaster. Disaster recovery focuses on the IT or technology systems supporting critical business functions, as opposed to business continuity, which involves keeping all essential aspects of a business functioning despite significant disruptive events. Disaster recovery can therefore be considered as a subset of business continuity.
System for moving real-time data events across a plurality of devices in a network for simultaneous data protection, replication, and access services
ActiveUS20050262097A1Efficiently parallel processEfficiently route application-aware data changeDigital data information retrievalDigital data processing detailsData connectionData stream
A data management system or “DMS” provides a wide range of data services to data sources associated with a set of application host servers. The data management system typically comprises one or more regions, with each region having one or more clusters. A given cluster has one or more nodes that share storage. To facilitate the data service, a host driver embedded in an application server connects an application and its data to a cluster. The host driver provides a method and apparatus for capturing real-time data transactions in the form of an event journal that is provided to the data management system. The driver functions to translate traditional file / database / block I / O into a continuous, application-aware, output data stream. Using the streams generated in this manner, the DMS offers a wide range of data services that include, by way of example only: data protection (and recovery), disaster recovery (data distribution and data replication), data copy, and data query and access.
Owner:QUEST SOFTWARE INC
Disaster recovery for active-standby data center using route health and BGP
The present invention provides an active / standby data center that avoids the delay associated with a cached DNS entry to switch from the active data center to the standby data center. When the active data center becomes unavailable, the standby data center advertises the same address as the primary data center so the change over occurs quickly. When the IP address of the primary data center is no longer visible to the standby data center, the standby data center begins to advertise.
Owner:CISCO TECH INC
Internet protocol based disaster recovery of a server
For disaster recovery of a file server at an active site, the files that define the user environment of the file server are replicated to a virtual server at a disaster recovery site. To switch over user access from the active site to the disaster recovery site, the disaster recovery system determines whether there are sufficient network interfaces and file system mounts at the disaster recovery site. If so, the required resources are reserved, and user access is switched over. If not, an operator is given a list of missing resources or discrepancies, and a choice of termination or forced failover. Interruptions during the failover can be avoided by maintaining a copy of user mappings and a copy of session information at the disaster recovery site, and keeping alive client-server connections and re-directing client requests from the active site to the disaster recovery site.
Owner:EMC IP HLDG CO LLC
Disaster recovery and backup using virtual machines
One or more computer systems, a carrier medium, and a method are provided for backing up virtual machines. The backup may occur, e.g., to a backup medium or to a disaster recovery site, in various embodiments. In one embodiment, an apparatus includes a computer system configured to execute at least a first virtual machine, wherein the computer system is configured to: (i) capture a state of the first virtual machine, the state corresponding to a point in time in the execution of the first virtual machine; and (ii) copy at least a portion of the state to a destination separate from a storage device to which the first virtual machine is suspendable. A carrier medium may include instructions which, when executed, cause the above operation on the computer system. The method may comprise the above highlighted operations.
Owner:VERITAS TECH
Systems and methods for voluntary migration of a virtual machine between hosts with common storage connectivity
InactiveUS20060005189A1Improving flexibility and efficiencyThe process is convenient and fastMultiprogramming arrangementsSoftware simulation/interpretation/emulationLoad SheddingSoftware upgrade
The present invention is a system for and method of performing disk migration in a virtual machine environment. The present invention provides a means for quickly and easily migrating a virtual machine from one host to another and, thus, improving flexibility and efficiency in a virtual machine environment for “load balancing” systems, performing hardware or software upgrades, handling disaster recovery, and so on. Certain of these embodiments are specifically directed to providing a mechanism for migrating the disk state along with the device and memory states, wherein the disk data resides in a remotely located storage device that is common to multiple host computer systems in a virtual machine environment. The virtual machine migration process of the present invention, which includes disk data migration, occurs without the user's awareness and, therefore, without the user's experiencing any noticeable interruption.
Owner:MICROSOFT TECH LICENSING LLC
Remote disaster data recovery system and method
InactiveUS20050039069A1Error detection/correctionSpecial data processing applicationsInternet trafficArchival storage
The present invention provides computer systems, methods, and software products enabling the creation and maintenance of disaster recovery volumes having a reduced impact with regard to network traffic over a communications network. A disaster recovery volume is generally created at a local archival storage unit including therein at least one storage medium constituting the disaster recovery volume. The medium constituting the disaster recovery volume is associated with the primary volume thereby allowing the storage medium constituting the disaster recovery volume to be relocated to a remote archival storage unit at a remote location without compromising the association between the primary volume and the disaster recovery volume. Incremental changes to the primary volume may then be communicated and incorporated in to the disaster recovery relocated to the remote location.
Owner:COMMVAULT SYST INC
Cloud alert to replica
InactiveUS9552248B2Non-redundant fault processingRedundant operation error correctionComputer hardwareData set
Systems, methods, and computer readable storage mediums for generating an alert on a failure of a storage subsystem to phone home to the cloud in a replication environment. A dataset is replicated from a first storage subsystem to a second storage subsystem. The first and second storage subsystems also phone home log data to the cloud on a periodic basis. In response to detecting a failure of the first storage subsystem to phone home, the cloud generates and sends an alert to the second storage subsystem. In response to receiving this alert, the second storage subsystem starts disaster recovery operations for the dataset.
Owner:PURE STORAGE
Active-active data center using RHI, BGP, and IGP anycast for disaster recovery and load distribution
A distributed data center topology having at least a pair of active data centers that can recover from a disaster at one of the data centers and achieves load balancing using IGP (Interior Gateway Protocol) between data centers. The distributed data centers use virtual IP addresses, route health injection and Border Gateway Protocol (BGP) for business continuance, disaster recovery and load balancing. The active / active topology supports load balancing where each site concurrently hosts active applications or applications can be hosted in a logical active / standby mode. IGP and RHI (Route Health Injection) are used to propagate routes to an edge router and BGP (Border Gateway Protocol) and IP Anycast are used for site-to-site recovery and load balancing between data center sites.
Owner:CISCO TECH INC
Framework for managing clustering and replication
The present invention provides a framework for managing both clustering and data replication in a software system distributed across multiple nodes. The framework includes at least one agent running at nodes comprising the distributed system. The framework also includes a master to coordinate clustering and replication operations. The framework further includes a library of software programs, called primitives, that are used by agents to communicate with the master. The agent(s) obtain cluster status information and replication status information, which are used by the master to manage clustering and replication operations. The framework is designed to work with existing cluster management applications and data replication facilities. The framework provides status information needed for coordinating clustering and replication operations to ensure that applications and data remain in a consistent state for disaster recovery purposes.
Owner:SYMANTEC OPERATING CORP
Internet protocol based disaster recovery of a server
For disaster recovery of a file server at an active site, the files that define the user environment of the file server are replicated to a virtual server at a disaster recovery site. To switch over user access from the active site to the disaster recovery site, the disaster recovery system determines whether there are sufficient network interfaces and file system mounts at the disaster recovery site. If so, the required resources are reserved, and user access is switched over. If not, an operator is given a list of missing resources or discrepancies, and a choice of termination or forced failover. Interruptions during the failover can be avoided by maintaining a copy of user mappings and a copy of session information at the disaster recovery site, and keeping alive client-server connections and re-directing client requests from the active site to the disaster recovery site.
Owner:EMC IP HLDG CO LLC
Method and system to maintain data consistency over an internet small computer system interface (iSCSI) network
InactiveUS20060136685A1Maintain data consistencyMaintain consistencyMemory loss protectionError detection/correctionSCSIThe Internet
A method and system is disclosed to maintain data consistency over an internet small computer system interface (iSCSI) network, for disaster recovery and remote data replication purposes. Data consistency and replication is maintained between primary and secondary sites geographically distant from each other. According to the method, a primary journal volume logs all changes (data writes) made to a primary volume, transmits the changes based on a preconfigured policy to a secondary journal volume, and thereafter merges the changes stored in the secondary journal volume with a secondary volume. Changes in the journal volumes are ordered in point-in-time (PiT) frames and transmitted using a vendor specific SCSI command utilizing the iSCSI protocol.
Owner:SANRAD
Method and system for real-time event journaling to provide enterprise data services
ActiveUS20050251540A1Good data serviceDigital data information retrievalError detection/correctionData connectionData stream
A data management system or “DMS” provides a wide range of data services to data sources associated with a set of application host servers. The data management system typically comprises one or more regions, with each region having one or more clusters. A given cluster has one or more nodes that share storage. To facilitate the data service, a host driver embedded in an application server connects an application and its data to a cluster. The host driver provides a method and apparatus for capturing real-time data modifications and application state notifications and, in response, generating data transactions in the form of an event journal that is provided to the data management system. The driver functions to translate traditional file / database / block I / O into a continuous, application-aware, output data stream. Using the streams generated in this manner, the DMS offers a wide range of data services that include, by way of example only: data protection (and recovery), and disaster recovery (data distribution and data replication).
Owner:QUEST SOFTWARE INC
Method and system for real-time event journaling to provide enterprise data services
InactiveUS20100031274A1Digital data information retrievalError detection/correctionData connectionData stream
Owner:QUEST SOFTWARE INC
Systems and methods for a disaster recovery system utilizing virtual machines running on at least two host computers in physically different locations
ActiveUS20060085792A1Minimal disruptionError detection/correctionMultiprogramming arrangementsTelecommunications linkCommunication link
The present invention is directed to systems and methods for providing disaster recovery services using virtual machines. The invention provides an inexpensive and minimally intrusive way to provide disaster recovery services including recovery of the state of computer processors and devices. The system includes a production host and a backup host that communicate via a communications link. The state of the processor and devices on the production host are periodically stored onto backup host and can be restored in the event of an emergency. Additionally, the invention includes two business methods for utilizing the system and methods for providing disaster recovery services.
Owner:MICROSOFT TECH LICENSING LLC
System executing log data transfer synchronously and database data transfer asynchronously
InactiveUS7890461B2Missing of transactionDeterioration in performance of an active database management system is preventedInput/output to record carriersDigital data processing detailsData lossData library
Owner:HITACHI LTD
Remote disaster recovery and data migration using virtual appliance migration
A technique efficiently creates and serves a backup data set on a backup filer located at a remote site from a primary filer by essentially moving an entire operating environment of a primary data set to the backup filer. The primary filer is organized into one or more virtual filers (vfilers), one of which (the primary vfiler) is configured to serve data, such as the primary data set, for a client. In the event that the primary filer or primary vfiler becomes unavailable, the technique may be implemented as a disaster recovery or data migration sequence to enable efficient instantiation of a backup vfiler to serve the backup data set for the client.
Owner:NETWORK APPLIANCE INC
Cloud-based disaster recovery of backup data and metadata
ActiveUS20120084261A1Inexpensive and easily configuredEliminate needError detection/correctionDigital data processing detailsData streamCloud base
Cloud storage services can be used to facilitate secondary backup and disaster data recovery without the need for specialized backup servers at the secondary location or cloud storage service. Backup data streams are transferred to a cloud storage service. In addition to the backup data streams, backup metadata is generated for each backup data stream. The backup metadata is adapted to configure a backup server to retrieve and access data in the backup data stream. The backup metadata is also transferred to the cloud storage service. To access data from the backup data stream, a recovery backup system is connected with the cloud storage service. Backup metadata is transferred from the cloud storage service to the recovery backup system. The recovery backup system is updated with the backup metadata, which configures the recovery backup system to retrieve and access data in the backup data stream.
Owner:NETWORK APPLIANCE INC
Method and system for heterogeneous data volume
ActiveUS20120017043A1Improve I/O performanceImprove life expectancyDigital data processing detailsError detection/correctionData accessModel Number
A method and system is disclosed for providing a heterogeneous data storage comprising a plurality of storage devices of different types with respect to device vendor, model, capacity, performance and / or function. The present invention employs data access mechanisms specific to the type of underlying storage and the type of data to be stored or retrieved, and provides for integrated remote mirroring, disaster recovery and hierarchical storage management (HSM), as well as improved I / O performance and life expectancy of storage disks. A method of writing to and reading from heterogeneous data volume is also disclosed.
Owner:NEXENTA BY DDN INC
Application of virtual servers to high availability and disaster recovery soultions
InactiveUS20070078982A1Improve availabilityHigh dataError detection/correctionMultiple digital computer combinationsVirtualizationStorage area network
Server virtualization technology is applied to virtualize and encapsulate all unique information of a server as an image that is stored on a storage area network at one site and replicated on a storage area network at another site to provide high availability of system resources and data recovery capabilities. In one embodiment, a virtualized server system (100) includes a primary site (110), a secondary site (130), and a computer executable control application (150). The primary site (110) includes a storage area network (112), at least one primary virtual server platform (114), and at least one primary virtual server stored as at least one image (116) on the storage area network (112). The control application (150) directs replication of the primary virtual server image (116) onto a storage area network (132) at the secondary site (130) to create a corresponding replicated virtual server image (138). The control application (150) also monitors operation of the primary virtual server platform (114) and associates the replicated virtual server image (138) with a secondary virtual server (134) at the secondary site (130) in the event that a problem is detected with the primary site virtual server (114).
Owner:LEIDOS INNOVATIONS TECH INC
Application based active-active data center network using route health injection and IGP
A distributed data center topology having at least a pair of active data centers that can recover from a disaster at one of the data centers and achieves load balancing using IGP (Interior Gateway Protocol) between data centers. The distributed data centers use virtual IP addresses, route health injection and Border Gateway Protocol (BGP) for business continuance, disaster recovery and load balancing. Active applications are deployed at each data center to provide a logical active / standby configuration for certain applications. Alternatively, active applications are deployed at both sites and BGP routes traffic to the closest data center edge router. Load balancing occurs over an internal IGP link between sites.
Owner:CISCO TECH INC
Virtual machine-based on-demand parallel disaster recovery system and the method thereof
InactiveUS20100115332A1Reduce dependenceStrengthen of backup dataDigital data processing detailsTransmissionFile systemApplication software
Owner:YU HONGLIANG +1
Method for rolling back from snapshot with log
InactiveUS20090044046A1Reduce copying timeFast copyRedundant operation error correctionPrimary sitesSecondary site
High speed differential copy can be implemented in the fail-back after disaster recovery when the data of the primary site is protected safely. When a restore command is issued, the common snapshots of the snapshots of the primary site and the secondary site are extracted as the base snapshot by comparing the log tables of the primary site and secondary site. The volume of the primary site is rolled back with the extracted snapshots. The latest snapshot of the volume of the secondary site is transmitted to the primary site and it is applied to the volume of the primary site to synchronize the volumes of the primary site and the secondary site.
Owner:HITACHI LTD
Systems and methods for voluntary migration of a virtual machine between hosts with common storage connectivity
InactiveUS7383405B2Improving flexibility and efficiencyThe process is convenient and fastSoftware simulation/interpretation/emulationMemory systemsComputerized systemComputer science
The present invention is a system and method that performs disk migration in a virtual machine environment. The present invention quickly and easily migrates a virtual machine from one host to another thus improving flexibility and efficiency in a virtual machine environment for “load balancing” systems, performing hardware or software upgrades, handling disaster recovery, and so on. Certain of the embodiments are specifically directed to providing a mechanism for migrating the disk state along with the device and memory states, where the disk data resides in a remotely located storage device that is common to multiple host computer systems in a virtual machine environment. The virtual machine migration process, which includes disk data migration, occurs without the user's awareness and, therefore, without the user's experiencing any noticeable interruption.
Owner:MICROSOFT TECH LICENSING LLC
Data replication system and method
InactiveUS20050114285A1Error detection/correctionDigital data processing detailsSpecific functionDatabase server
System and method for sub-second data replication. The present invention provides the ability to replicate database transactions made on one computer to one or more local or remote computers instantly, utilizing the database management system's transaction log for the replication. The present invention intercepts transactions being sent to a database's transaction log and interprets and copies the transactions to one or more replica servers, as well as to the original existing database transaction log. This enables real-time reporting without taxing the transaction system, real-time backup and immediate disaster recovery, by offloading said activities from the transaction server to a replica server that synchronized with the transaction server in real-time. The system comprises a central server and a set of source and destination agents that can reside all in a local system, or can be remotely connected such as through a TCP / IP networks The central server controls a series of loadable modules to perform specific functions in the system, and an agent that runs on every machine in the system that has a relational database management system running. The agent is either a source agent, gathering data from a source database server, or a destination (or target) agent, applying the data to the destination database, or both a source and destination agent.
Owner:PARALLELDB
Executing a multicomponent software application on a virtualized computer platform
ActiveUS8286174B1Digital computer detailsMultiprogramming arrangementsVirtualizationHigh availability
A virtualized computer platform is established and maintained by virtualization software on one or more physical computers. A multicomponent software application may execute on the virtualized computer platform, with different components of the application executing in different virtual machines, which are supported by the virtualization software. The virtualization software may also provide, and / or facilitate the provision of, one or more services that may be beneficial to the operation of the multicomponent software application, such as automated provisioning, resource allocation, VM distribution, performance monitoring, resource management, high availability, backup, disaster recovery, alarms, security, etc. In some embodiments of the invention, some of these services are provided through coordinated efforts of a system resource manager, a VM manager, an application monitor and an application resource manager. In some of these embodiments, an application monitor and an application manager may be included with a multicomponent software application in a single installation package.
Owner:VMWARE INC
Disaster recovery processing method and apparatus and storage unit for the same
ActiveUS20060010180A1Improve the modification ratePerformance degradation can be reducedInput/output to record carriersData processing applicationsDatabaseStorage cell
A technique capable of constructing a disaster recovery system reduced in performance degradation of a primary system is provided. The technique includes a step of conducting synchronous writing of log information into a secondary storage subsystem in a secondary system when a write request received from a host computer is a write request of log information, a step of temporarily storing a write request and conducting asynchronous writing into the secondary storage subsystem when the received write request is a write request of database data or status information, a step of modifying log information, data in a database area, and status information in the secondary storage subsystem according to contents of a write request received from a primary storage subsystem, and a step of recovering the database area according to contents of log information in a location indicated by the status information.
Owner:HITACHI LTD +1
Method and system for access to automatically synchronized remote files
ActiveUS7127477B2Easy to useMinimal network bandwidthData processing applicationsDigital data processing detailsOperational systemData file
A method and system for the simple, fast, and effective maintenance of consistent data files across a multiplicity of computer systems, which functionality is useful in collaborative work, effective backup, and disaster recovery. Consistency is maintained using secure file storage remote from any number of clients the files on which are automatically synchronized consuming minimal network bandwidth. Automated bi-directional “one-click” synchronization is implemented via a method that is neutral with respect to platform, operating system, firewall, and network configuration. The software product based on the invented method has the substantial advantage of installation, setup, and operation all without intervention by system administrators.
Owner:RESOURCE CONSORTIUM LTD LLC
Disaster recovery virtual roll call and recovery management system
InactiveUS7026925B2Data processing applicationsFrequency-division multiplex detailsThe InternetPersonal computer
A disaster recovery virtual roll call and recovery management system and method allows any organization to locate their staff and allocate resources to their staff in the event of a disaster. User information can be stored on remote, distributed computer networks to assure that the information is available during a disaster. The computer networks can be web networks and Interactive Voice Response (IVR) networks, to provide different methods of user interaction with the system. In case of disaster, the system can contact the users over one or more communications networks, such as by email or IVR message, and request the user provide their status. The users can send user status updates to the web network using internet enabled devices, such as personal computers, telephones, or handheld portable computers, or to the IVR network using standard or wireless telephones. The system can compile the information, and generate reports on group and individual status.
Owner:OAK LAWN MARKETING
Automated Disaster Recovery System and Method
ActiveUS20130326260A1BootstrappingSpecial data processing applicationsComputer scienceClient machine
Methods and systems for recovering a host image of a client machine to a recovery machine comprise comparing a profile of a client machine of a first type to be recovered to a profile of a recovery machine of a second type different from the first type, to which the client machine is to be recovered, by a first processing device. The first and second profiles each comprise at least one property of the first type of client machine and the second type of recovery machine, respectively. At least one property of a host image of the client machine is conformed to at least one corresponding property of the recovery machine. The conformed host image is provided to the recovery machine, via a network. The recovery machine is configured with at least one conformed property of the host image by a second processing device of the recovery machine.
Owner:FALCONSTOR
Replica synchronization using copy-on-read technique
InactiveUS7032089B1Minimal effect performanceData processing applicationsError detection/correctionApplication softwareDatabase
A method, system, and computer program product are provided to synchronize data maintained in separate storage areas using a copy-on-read technique. The separate storage areas may be distributed across a network, and the replicas of the data may be used for backup and / or disaster recovery purposes. Storage objects containing data and information relevant to managing the data by a particular application are identified, and only those storage objects are read. Data contained in the storage objects read are then copied to the replica storage area. This process avoids reading non-useful data, making the synchronization more efficient and conserving bandwidth of connections over which the data are sent.
Owner:CLOUDING
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