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公开(公告)号：US11836352B2
公开(公告)日：2023-12-05
申请号：US16522974
申请日：2019-07-26
IPC分类号： G06F3/06 , H04W4/021 , B60L53/80 , H04W4/02 , G06Q10/0833 , G06Q10/0635
CPC分类号： G06F3/0619 , B60L53/80 , G06F3/0607 , G06F3/0625 , G06F3/0653 , G06Q10/0635 , G06Q10/0833 , H04W4/021 , H04W4/027
摘要： Techniques are directed to detecting an abnormal event while data storage equipment is in transit. Such techniques involve receiving a series of sensor signals from a set of sensors affixed to the data storage equipment. The series of sensor signals identifies a series of positional integrity measurements for the data storage equipment while the data storage equipment is in transit. Such techniques further involve performing a series of comparison operations that compares the series of positional integrity measurements to a set of range. Such techniques further involve, based on the series of comparison operations, providing an abnormal event signal in response to a particular positional integrity measurement falling outside a corresponding range of the set of ranges.
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公开(公告)号：US11042512B1
公开(公告)日：2021-06-22
申请号：US15666863
申请日：2017-08-02
IPC分类号： G06F3/06 , G06F16/182 , G06F11/14
摘要： A technique for supporting snapshots and provisioning in a NAS (network attached storage) cluster includes implementing a file system built upon a virtual disk realized in a virtualization platform, the virtual disk itself built upon a LUN (Logical UNit) in block storage. In response to a request to take a snapshot of the file system or to provision a new file system, the NAS cluster bypasses the virtualization platform and directs a request to a block storage manager, either to take a snapshot of the LUN (in the case of snapshot) or to create a new LUN (in the case of provisioning). The NAS cluster records a relationships among LUNs, file systems, and snaps, but the virtualization platform treats the LUNs as independent objects.
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公开(公告)号：US20210026539A1
公开(公告)日：2021-01-28
申请号：US16522974
申请日：2019-07-26
摘要： Techniques are directed to detecting an abnormal event while data storage equipment is in transit. Such techniques involve receiving a series of sensor signals from a set of sensors affixed to the data storage equipment. The series of sensor signals identifies a series of positional integrity measurements for the data storage equipment while the data storage equipment is in transit. Such techniques further involve performing a series of comparison operations that compares the series of positional integrity measurements to a set of range. Such techniques further involve, based on the series of comparison operations, providing an abnormal event signal in response to a particular positional integrity measurement falling outside a corresponding range of the set of ranges.
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公开(公告)号：US10733161B1
公开(公告)日：2020-08-04
申请号：US14984224
申请日：2015-12-30
IPC分类号： G06F16/22 , G06F16/21 , G06F16/23 , G06F16/2457
摘要： A technique for managing data storage places a data object in a first logical extent within a logical address space of a storage system and places a set of attributes assigned to that data object in a second logical extent within the same logical address space of the storage system. In response to a request to generate a second version of the data object, such as a snap, clone, or replica, for example, the first and second logical extents are duplicated atomically, thereby preserving a second version of the attributes along with the second version of the data object.
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5.发明授权公开(公告)号：US10592846B1
公开(公告)日：2020-03-17
申请号：US15194858
申请日：2016-06-28
摘要： A technique is directed to transporting data storage equipment. The technique involves electronically activating monitoring circuitry which is co-located with the data storage equipment. The technique further involves, after the monitoring circuitry is electronically activated, receiving location data from the monitoring circuitry while the data storage equipment is en route from a first ground location to a second ground location. The technique further involves, based on the location data, performing a set of location evaluation operations to determine whether the data storage equipment is on course along a predefined route between the first ground location and the second ground location.
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公开(公告)号：US10545926B1
公开(公告)日：2020-01-28
申请号：US15396630
申请日：2016-12-31
发明人： William C. Davenport , Himabindu Tummala , Li Wan
IPC分类号： G06F16/185 , G06F16/13 , G06F16/18 , G06F16/22
摘要： A computer has a secondary storage device with a filesystem for persistent storage of application data, the filesystem having filesystem objects including files, directories, and group objects such as consistency groups. The group objects specify respective groups of the filesystem objects on which certain filesystem group operations act as a unit. The filesystem also has filesystem routines for performing filesystem operations including single-object operations and group operations. A single-object operation acts upon a specified user file or directory independently (e.g., opening or reading from a file), while a group operation acts upon a respective set of filesystem objects grouped together by a specified group object.
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公开(公告)号：US10318166B1
公开(公告)日：2019-06-11
申请号：US15392676
申请日：2016-12-28
摘要： Techniques for preserving locality of storage accesses to copies of storage objects in a cluster of appliances. Mapping metadata is created indicating regions in a copy of a storage object that are mapped to local storage allocated from a target appliance. Read and write operations to regions of the copy that are mapped to storage in the target appliance are processed within the target appliance. Write operations to regions that are not mapped to storage in the target appliance cause storage to be allocated to the copy in the target appliance, mapped to the regions indicated by the write operations, and used to store the write data. Read operations to regions that are not mapped to storage in the target appliance are performed on an original storage object located on a source appliance, from which the copy of the storage object was made.
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公开(公告)号：US10037369B1
公开(公告)日：2018-07-31
申请号：US14752616
申请日：2015-06-26
发明人： Jean-Pierre Bono , Dennis Duprey , Xiangping Chen , Karl M. Owen , Miles A de Forest , Himabindu Tummala
CPC分类号： G06F16/27 , G06F16/164 , G06F16/1727
摘要： A technique for replicating a file from a source data storage system (source) to a destination data storage system (destination) includes receiving, by the destination from the source, (i) file data for multiple logical extents of the file and (ii) respective tiering metadata for those logical extents. The destination selects, based on the tiering metadata, one or more storage tiers available on the destination. The destination updates a local replica of the file by placing the logical extents on the selected tier or tiers.
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公开(公告)号：US11106556B2
公开(公告)日：2021-08-31
申请号：US16570974
申请日：2019-09-13
摘要： Described herein is a system that provides data service failover in shared storage clusters. An example shared storage cluster can include multiple data node devices equipped to access to a shared storage location. Each of the data node devices can host multiple network attached storage (NAS) servers. For each NAS server at a data node device, a different data node device in the shared storage cluster can be designated as a backup node. The designated backup nodes for NAS servers at any one data node device in the shared storage cluster can be distributed across multiple other data node devices in the shared storage cluster, thereby sharing the burden of data node device failure across multiple other data node devices.
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公开(公告)号：US20210168126A1
公开(公告)日：2021-06-03
申请号：US16699548
申请日：2019-11-29
发明人： Qi Bao , Himabindu Tummala
IPC分类号： H04L29/06
摘要： A method for joining an association that includes receiving, by a first cluster, an association access credential and a unique address of an association manager, generating, based on the association access credential, an association access request, sending, to the unique address, the association access request, receiving, in response to the sending, association information, and initiating, based on the association information, a connection to a second cluster in the association.
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