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1. 发明授权

US10318326B1 Internal deduplication engine leveraging embedded virtual guest operating system 有权
公开(公告)号：US10318326B1
公开(公告)日：2019-06-11
申请号：US14981560
申请日：2015-12-28
申请人： EMC Corporation
发明人： Ian Wigmore , Arieh Don , Stephen Smaldone
IPC分类号： G06F9/455 , G06F16/215 , G06F16/25 , G06F16/23
摘要： Systems and methods are disclosed for associating one or more storage-based services with a storage unit accessible by a primary “tier 1” storage device. A storage-based service can include deduplication, compression, data conversion, statistical analysis of the data to be stored, or other storage-based service. A storage unit can be a disk, a file, a virtual disk, or a logical unit of storage (LUN). A virtual machine within the primary “tier 1” storage can perform the one or more storage-based services associated with the storage unit.

2. 发明授权

US10108644B1 Method for minimizing storage requirements on fast/expensive arrays for data mobility and migration 有权
公开(公告)号：US10108644B1
公开(公告)日：2018-10-23
申请号：US14206378
申请日：2014-03-12
申请人： EMC Corporation
发明人： Ian Wigmore , Marik Marshak , Arieh Don , Alexandr Veprinsky , Gabriel BenHanokh
IPC分类号： G06F17/30
摘要： Exemplary methods for data migration from a first storage system to a second storage system include maintaining a database containing deduplication information associated with a plurality of remote target storage systems. In one embodiment, the methods include identifying a plurality of storage devices of the first storage system as candidates to be migrated to the second storage system based on access patterns of the storage devices at the first storage system, and selecting one or more storage devices from the identified candidates to be migrated to a second one of the plurality of remote target storage systems that is selected based on the deduplication information of the database. In one embodiment, the methods further include migrating one or more datasets stored at the selected one or more storage devices to the second storage system.

3. 发明申请

US20160378616A1 BACKUP PERFORMANCE USING DATA ALLOCATION OPTIMIZATION 审中-公开
标题翻译：使用数据分配优化的备份性能
公开(公告)号：US20160378616A1
公开(公告)日：2016-12-29
申请号：US14754094
申请日：2015-06-29
申请人： EMC Corporation
发明人： Ian Wigmore , Stephen D. Smaldone , Marik Marshak , Arieh Don
IPC分类号： G06F11/14 , G06F3/06
摘要： A system for improving backup performance includes an interface, a processor, and a memory. The interface is to receive a volume identifier to backup. The processor is to determine allocation for data of a volume associated with the volume identifier in a plurality of storage tiers to improve backup processing, move data based at least in part on the allocation, and backup data of the volume. The memory is coupled to the processor and configured to provide the processor with instructions.
摘要翻译：用于提高备份性能的系统包括接口，处理器和存储器。接口是接收一个卷标识符进行备份。处理器是确定在多个存储层中与卷标识符相关联的卷的数据的分配，以改进备份处理，至少部分地基于分配来移动数据以及该卷的备份数据。存储器耦合到处理器并且被配置为向处理器提供指令。

4. 发明授权

US11349763B1 Avoiding failures in sending data to the cloud due to performance gradient 有权
公开(公告)号：US11349763B1
公开(公告)日：2022-05-31
申请号：US15071311
申请日：2016-03-16
申请人： EMC Corporation
发明人： Adnan Sahin , Arieh Don , Ian Wigmore , Stephen Smaldone
IPC分类号： H04L47/125 , H04L67/1097 , H04L47/22 , H04L47/28
摘要： In a storage system in which a storage array accesses cloud storage via a cloud gateway, the cloud gateway provides signals to control data rate between the storage array and the cloud. The signals may include commands to reduce or stop all volume streams or a select subset of volume streams. Data rate may be controlled on the basis of available buffering capacity of the cloud gateway and available bandwidth between the cloud gateway and cloud storage. The signals may be SCSI VU commands, where the cloud gateway is a SCSI initiator and the storage array is a SCSI target.

5. 发明授权

US10768848B2 Backup performance in storage tiers using data allocation optimization 有权
公开(公告)号：US10768848B2
公开(公告)日：2020-09-08
申请号：US14754094
申请日：2015-06-29
申请人： EMC Corporation
发明人： Ian Wigmore , Stephen D. Smaldone , Marik Marshak , Arieh Don
IPC分类号： G06F3/06 , G06F11/14 , G06F11/00
摘要： A system for improving backup performance includes an interface, a processor, and a memory. The interface is to receive a volume identifier to backup. The processor is to determine allocation for data of a volume associated with the volume identifier in a plurality of storage tiers to improve backup processing, move data based at least in part on the allocation, and backup data of the volume. The memory is coupled to the processor and configured to provide the processor with instructions.

6. 发明授权

US10462070B1 Service level based priority scheduler for multi-tenancy computing systems 有权
公开(公告)号：US10462070B1
公开(公告)日：2019-10-29
申请号：US15198284
申请日：2016-06-30
申请人： EMC Corporation
发明人： Stephen Smaldone , Ian Wigmore , Felix Shvaiger , Arieh Don , Gabi Benhanokh
IPC分类号： H04L12/927 , H04L12/911 , H04L12/833 , H04L12/851 , H04L12/24
摘要： Systems and methods for scheduling multiple flows in a computing system or for allocating resources to the flows in the computing system. Each flow may be associated with a target priority and a target performance. A current priority can be determined for each flow and resources are allocated based on the highest current priority. Over time, the current priorities change and each flow will receive resources as the flows are scheduled for execution. No flow is starved of resources.

7. 发明授权

US09983812B1 Automated node failure detection in an active/hot-standby storage cluster 有权
公开(公告)号：US09983812B1
公开(公告)日：2018-05-29
申请号：US15181347
申请日：2016-06-13
申请人： EMC Corporation
发明人： Arieh Don , Ian Wigmore , Stephen Smaldone
IPC分类号： G06F12/00 , G06F3/06 , G06F11/07
CPC分类号： G06F3/0619 , G06F3/065 , G06F3/0665 , G06F3/067 , G06F11/0757
摘要： According to one embodiment, a secondary primary storage system monitors replicated data received from a primary storage system, where the primary storage system provides primary storage services to a host device and the second storage system operates as a redundant storage system. In response to determining that no replicated data has been received from the primary storage system over a first predetermined period of time, the secondary primary storage system determines an amount of read/write data requests have been received from the host device for a second period of time. The secondary primary storage system transitions into a second primary storage system in response to determining the amount of read/write data requests received from the host exceeds a predetermined threshold.

8. 发明授权

US09569367B1 Cache eviction based on types of data stored in storage systems 有权
标题翻译：基于存储在存储系统中的数据类型的缓存驱逐
公开(公告)号：US09569367B1
公开(公告)日：2017-02-14
申请号：US14196308
申请日：2014-03-04
申请人： EMC Corporation
发明人： Ian Wigmore , Marik Marshak , Arieh Don , Alexandr Veprinsky
IPC分类号： G06F12/08 , G06F12/12 , G06F11/14
CPC分类号： G06F12/0891 , G06F11/1448 , G06F11/1461 , G06F12/0804 , G06F12/0868 , G06F12/0897 , G06F12/121 , G06F12/123 , G06F12/126 , G06F12/127 , G06F2212/1016 , G06F2212/1044 , G06F2212/463
摘要： Exemplary methods for improving cache utilization include in response to receiving a request to store data, storing the data in one of a plurality of cache slots of a cache. In one embodiment, the methods further include after storing the data, setting a status of the cache slot as write pending to indicate that the cache slot contains data which needs to be written to a corresponding destination storage device. The methods include determining an eviction type of the cached data based on whether the destination storage device is a local storage device or a remote storage device. In one embodiment, after copying data from the cache slot to the corresponding destination storage device, marking the cache slot with the determined eviction type. In response to receiving another request to store data, evicting at least one of the cache slots based on the eviction type.
摘要翻译：用于提高高速缓存利用率的示例性方法包括响应于接收到存储数据的请求，将数据存储在高速缓存的多个高速缓存时隙之一中。在一个实施例中，所述方法还包括在存储数据之后，将高速缓存时隙的状态设置为等待写入，以指示高速缓存时隙包含需要写入相应目的地存储设备的数据。所述方法包括基于目的地存储设备是本地存储设备还是远程存储设备来确定缓存数据的逐出类型。在一个实施例中，在将数据从高速缓存时隙复制到相应的目的地存储设备之后，用所确定的驱逐类型标记高速缓存时隙。响应于接收另一个存储数据的请求，基于驱逐类型来驱逐高速缓存槽中的至少一个。

9. 发明授权

US09002904B1 Handling hibernation of a process on a storage device 有权
标题翻译：处理存储设备上进程的休眠状态
公开(公告)号：US09002904B1
公开(公告)日：2015-04-07
申请号：US13901648
申请日：2013-05-24
申请人： EMC Corporation
发明人： David Meiri , Dan Arnon , Arieh Don , Ian Wigmore , Patrick Brian Riordan , John T. Fitzgerald , Alex Veprinsky , John Sopka
IPC分类号： G06F17/30 , G06F3/06
CPC分类号： G06F3/0647 , G06F3/0607 , G06F3/0683
摘要： Migrating data from an old storage device to a new storage device includes creating new paths to the new storage device, freezing old paths to the old storage device, transferring metadata corresponding to the old storage device to the new storage device, where state information is transferred from the old storage device to the new storage device, and thawing the new paths. Migrating data from an old storage device to a new storage device may also include creating new volumes on the new storage device and transferring data from the old storage device to the new storage device. Migrating data from an old storage device to a new storage device may also include dismantling the old paths.
摘要翻译：将数据从旧存储设备迁移到新的存储设备包括创建到新存储设备的新路径，将旧路径冻结到旧存储设备，将与旧存储设备相对应的元数据传送到新存储设备，在该存储设备中传送状态信息从旧的存储设备到新的存储设备，并解冻新的路径。将数据从旧存储设备迁移到新的存储设备还可以包括在新存储设备上创建新卷并将数据从旧存储设备传送到新的存储设备。将数据从旧存储设备迁移到新的存储设备也可能包括拆除旧路径。

10. 发明授权

US09733846B1 Integrated backup performance enhancements by creating affinity groups 有权
公开(公告)号：US09733846B1
公开(公告)日：2017-08-15
申请号：US14576193
申请日：2014-12-18
申请人： EMC Corporation
发明人： Ian Wigmore , Stephen Smaldone , Arieh Don
IPC分类号： G06F3/06 , G06F12/10
CPC分类号： G06F3/0619 , G06F3/0641 , G06F3/065 , G06F3/067 , G06F3/0689 , G06F11/1446 , G06F11/1453 , G06F12/10
摘要： A method in a backup engine is described. The method includes receiving a data access request for a data element in a logical storage volume for one of a read or write operation, determining an affinity group associated with the data element based on an affinity group list indicating a physical storage volume for the data element based on the data address range for the data element, determining a first frontend adapter identifier (ID) from the first affinity group associated with the data element, the first frontend adapter ID identifying a first frontend adapter associated with a first physical storage volume, and transmitting the data access request to the first frontend adapter based on the first frontend adapter ID to execute the data access request on the first physical storage volume.

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