System and method for enforcing a dataset timeout for generating a dataset image
Granted: September 28, 2021
Patent Number:
11132262
An application may store data to a dataset comprising a plurality of volumes stored on a plurality of storage systems. The application may request a dataset image of the dataset, the dataset image comprising a volume image of each volume of the dataset. A dataset image manager operates with a plurality of volume image managers in parallel to produce the dataset image, each volume image manager executing on a storage system. The plurality of volume image managers respond by performing…
Methods for minimizing fragmentation in SSD within a storage system and devices thereof
Granted: September 28, 2021
Patent Number:
11132129
A method, non-transitory computer readable medium, and device that assists with reducing memory fragmentation in solid state devices includes identifying an allocation area within an address range to write data from a cache. Next, the identified allocation area is determined for including previously stored data. The previously stored data is read from the identified allocation area when it is determined that the identified allocation area comprises previously stored data. Next, both the…
Load balancing for IP failover
Granted: September 21, 2021
Patent Number:
11128573
Techniques are provided for load balancing for IP failover. A backend address of a first node is identified as a routing destination to which a request is to be routed by a load balancer based upon a load balancer rule mapping a frontend address, specified by the request as a request destination, to the backend address of the first node. The request is routed to a primary network interface of the first node using the backend address. The first node has a loopback interface with an…
Backup and recovery of application data of an application executing in a virtual machine
Granted: September 21, 2021
Patent Number:
11126510
Backup of application data associated with an application executing in a virtual machine managed by a hypervisor is performed. Backup of the application data includes retrieving a Logical Unit Number (LUN) identification (ID) used by the application to store the application data in a storage volume. Backup of the application data also includes performing a virtual storage resolution for the LUN ID to determine whether the application data is stored in the storage volume identified by the…
Non-disruptive transition to synchronous replication state
Granted: September 14, 2021
Patent Number:
11120048
Techniques are provided for transitioning a first storage object and a second storage object from an asynchronous replication state to a synchronous replication state. Metadata operations are logged into a metadata log. Dirty data, modified by data operations executed upon the first storage object, are tracked using a dirty region log. Metadata operations are replicated from the metadata log to the second storage object during a metadata drain phase. During the metadata drain phase,…
Data profiler
Granted: September 14, 2021
Patent Number:
11119860
One or more techniques and/or systems are provided for profiling a dataset. For example, a snapshot of a volume may be evaluated to identify a set of data characteristics, such as file and directory size information. A baseline dataset profile of a dataset of data within the volume may be constructed based upon the set of data characteristics. Histograms and graphs of directory counts and file counts may be constructed based upon the baseline dataset profile. An incremental dataset…
Inline deduplication
Granted: May 18, 2021
Patent Number:
11010078
One or more techniques and/or computing devices are provided for inline deduplication. For example, a checksum hash table and/or a block number hash table may be maintained within memory (e.g., a storage controller may maintain the hash tables in-core). The checksum hash table may be utilized for inline deduplication to identify potential donor blocks that may comprise the same data as an incoming storage operation. Data within an in-core buffer cache is eligible as potential donor…
Restoration process to restore corrupted data of a volume
Granted: April 13, 2021
Patent Number:
10977134
A system and method for efficiently restoring one or more data containers is provided. A common persistent consistency point image (PCPI) is identified between a source and a destination storage systems prior to the destination storage system performing a rollback operation to the commonly identified PCPI. Differential data is then transmitted from the source storage system in a line efficient manner to the destination storage system.
Synchronous replication based cutover engine
Granted: April 6, 2021
Patent Number:
10970310
Techniques are provided for synchronous replication based cutover. An asynchronous replication process is executed to perform asynchronous incremental transfers of data of a storage object from a first computing environment to a replicated storage object at a second computing environment until a cutover criteria is met. A synchronous replication process is executed to synchronously replicate operations, targeting the storage object, to the replicated storage object based upon the cutover…
Methods and systems for selecting compatible resources in networked storage environments
Granted: April 6, 2021
Patent Number:
10972348
Methods and systems for a networked storage environment are provided. One method includes storing at a storage device by a processor a data structure with information regarding a plurality of compatible software and hardware components configured to operate in a plurality of configurations as part of a storage solution for using resources at a networked storage environment for storing data; obtaining by a processor executable configuration advisor information regarding a plurality of…
Interconnect delivery process
Granted: March 30, 2021
Patent Number:
10965753
A method for enforcing data integrity in an RDMA data storage system includes flushing data write requests to a data storage device before sending an acknowledgment that the data write requests have been executed. An RDMA data storage system includes a node configured to flush data write requests to a data storage device before sending an acknowledgment that a data write request has been executed.
Storage virtual machine relocation
Granted: March 30, 2021
Patent Number:
10963289
One or more techniques and/or devices are provided for storage virtual machine relocation (e.g., ownership change) between storage clusters. For example, operational statistics of a first storage cluster and a second storage cluster may be evaluated to identify a set of load balancing metrics. Ownership of one or more storage aggregates and/or one or more storage virtual machines may be changed (e.g., permanently changed for load balancing purposes or temporarily changed for disaster…
Accelerating concurrent access to a file in a memory-based file system
Granted: March 23, 2021
Patent Number:
10956072
A method, apparatus and product for accelerating concurrent access to a file in a memory-based file system. The method comprising receiving a request issued by a program, for accessing a file stored in a memory-based file system; and subject to the request being associated with data modification of data within the file, and subject to the modification not necessitating change in a structure of a data structure used for content lookup for the file, acquiring a lock to the file to the…
Snapshot creation with synchronous replication
Granted: March 16, 2021
Patent Number:
10949309
One or more techniques and/or computing devices are provided for snapshot creation. For example, a request may be received to create a snapshot of a first storage object, hosted by a first storage controller, having a synchronous replication relationship with a second storage object hosted by a second storage controller. A coordinator workflow is initialized to issue a drain and hold request to a splitter. Responsive to an indication that the splitter has stopped processing and started…
Methods and systems for managing quality of service in a networked storage environment
Granted: March 9, 2021
Patent Number:
10944679
Methods and systems for a networked storage system are provided. One method includes assigning a quality of service (QOS) parameter for a storage volume of a networked storage environment having a first storage node and a second storage node, where the QOS parameter is defined by a throughput value that defines a maximum data transfer rate and a number of input/output (I/O) operations executed within a time period (IOPS); distributing the QOS parameter between the first storage node and…
Techniques for storing and distributing metadata among nodes in a storage cluster system
Granted: January 26, 2021
Patent Number:
10904339
Various embodiments are generally directed to techniques for reducing the time required for a node to take over for a failed node or to boot. An apparatus includes an access component to retrieve a metadata from a storage device coupled to a first D-module of a first node during boot, the metadata generated from a first mutable metadata portion and an immutable metadata portion, and the first metadata specifying a first address of a second D-module of a second node; a replication…
Storage area network attached clustered storage system
Granted: December 8, 2020
Patent Number:
10862966
A storage area network (SAN)-attached storage system architecture is disclosed. The storage system provides strongly consistent distributed storage communication protocol semantics, such as SCSI target semantics. The system includes a mechanism for presenting a single distributed logical unit, comprising one or more logical sub-units, as a single logical unit of storage to a host system by associating each of the logical sub-units that make up the single distributed logical unit with a…
Unordered idempotent logical replication operations
Granted: December 8, 2020
Patent Number:
10860542
A method and apparatus for replicating a data container of a source storage server at the logical level in an unordered stream of individual data units are described. In certain embodiments, the replication operations can be performed without regard to the differences in geometry of physical persistent storage of the source and destination storage servers and without regard to the differences in data container format of the source and destination storage servers. An initial replication…
System and method for planning and configuring a file system migration
Granted: December 8, 2020
Patent Number:
10860529
A migration plan is created that is based at least in part on an operator input. The resources of a destination file system are provisioned based on the migration plan. One or more processes to migrate the source file system for the provisioned resources of the destination file system are then configured based on the migration plan.
Multi-tenant security in the cloud
Granted: December 1, 2020
Patent Number:
10855688
A cloud asset manager can securely provide multi-tenant access to remote assets while preserving isolation across tenants. The remote asset manager defines various roles for legitimate users of the remote asset manager. The roles are associated with credentials that provide access to the remote assets and/or information about the remote assets maintained by a service provider. And the users map to roles based on attempted actions that access the service provider. Thus, a user's requested…
