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1. 发明授权

US09886351B2 Hybrid image backup of a source storage 有权
公开(公告)号：US09886351B2
公开(公告)日：2018-02-06
申请号：US15284310
申请日：2016-10-03
申请人： STORAGECRAFT TECHNOLOGY CORPORATION
发明人： Nathan S. Bushman , Scott Barnes , Thomas Russell Shreeve
IPC分类号： G06F17/00 , G06F11/14 , G06F17/30
CPC分类号： G06F11/1453 , G06F3/067 , G06F11/00 , G06F11/1451 , G06F17/30067 , G06F17/30097 , G06F17/30159
摘要： Creating hybrid image backups of a source storage. In one example embodiment, a method for creating one or more hybrid image backups of a source storage may include seeding a deduplication system by storing, in the deduplication system, blocks included in one or more files of one or more operating systems, blocks included in one or more files of one or more software applications, or both, and by storing a hash of each of the seeded blocks in a hash data structure; copying the hash data structure into a solid state drive (SSD); placing the SSD in a read-only state; comparing hashes of allocated blocks stored in the source storage at a first point in time to hashes in the hash data structure to determine whether each of the allocated blocks is in a first set of blocks that are stored in the deduplication system or in a second set of blocks that are not stored in the deduplication system; associating locations of the blocks in the first set of blocks stored in the source storage with locations of the corresponding blocks stored in the deduplication system; storing the blocks in the second set of blocks in an image backup separate from the deduplication system; associating locations of the blocks in the second set of blocks stored in the source storage with locations of the corresponding blocks stored in the image backup; and defining a full hybrid image backup of the source storage at the first point in time as a combination of the first set of blocks stored in the deduplication system and the second set of blocks stored in the image backup.

2. 发明授权

US09311190B1 Capturing post-snapshot quiescence writes in a linear image backup chain 有权
标题翻译：捕获快照静态后，在线性映像备份链中写入
公开(公告)号：US09311190B1
公开(公告)日：2016-04-12
申请号：US14733611
申请日：2015-06-08
申请人： STORAGECRAFT TECHNOLOGY CORPORATION
发明人： Nathan S. Bushman , Scott Barnes
IPC分类号： G06F17/30 , G06F11/14
CPC分类号： G06F11/1451 , G06F3/0619 , G06F3/065 , G06F3/067 , G06F11/1446 , G06F11/1464 , G06F17/30088 , G06F2201/84
摘要： Capturing post-snapshot quiescence writes in a linear image backup chain. In one example embodiment, a method for capturing post-snapshot quiescence writes in a linear image backup chain may include taking a first snapshot of a source storage at a first point in time, identifying a first set of block positions of blocks that are allocated in the source storage at the first point in time, identifying a second set of block positions of blocks that are written to the first snapshot during post-snapshot quiescence of the first snapshot, resulting in a first quiesced snapshot, copying the blocks in the first set of block positions from the first snapshot to a full image backup, and copying the blocks in the second set of block positions from the first quiesced snapshot to a first incremental image backup.
摘要翻译：捕获快照静态后，在线性映像备份链中写入。在一个示例实施例中，用于捕获在线性图像备份链中的快照后静态写入的方法可以包括在第一时间点获取源存储器的第一快照，识别分配在块中的块的第一组块位置在第一时间点的源存储器，识别在第一快照的后快照静止期间被写入第一快照的块的第二组块位置，导致第一静默快照，复制第一集合中的块从第一快照到完整图像备份的块位置，以及将第二组块位置中的块从第一静默快照复制到第一增量映像备份。

3. 发明授权

US09152508B1 Restoration of a backup of a first volume to a second volume on physical media 有权
标题翻译：将第一卷的备份还原到物理介质上的第二卷
公开(公告)号：US09152508B1
公开(公告)日：2015-10-06
申请号：US14555348
申请日：2014-11-26
申请人： STORAGECRAFT TECHNOLOGY CORPORATION
发明人： Scott Barnes , Nathan S. Bushman
IPC分类号： G06F11/00 , G06F11/14
CPC分类号： G06F11/1469 , G06F3/0617 , G06F3/0619 , G06F3/0632 , G06F3/0644 , G06F3/065 , G06F3/067 , G06F11/1004 , G06F11/1451 , G06F11/1464 , G06F11/1466 , G06F17/30079 , G06F2201/84
摘要： Restoration of a backup of a first volume to a second volume on physical media. In one example embodiment, a method for restoration of a backup of a first volume to a second volume on physical media includes accessing a volume boot record of the second volume while the volume boot record is in a valid state on the physical media, modifying the volume boot record to place the volume boot record into an invalid state on the physical media, writing data from the backup of the first volume to the inaccessible portion of the data segment of the second volume while the volume boot record is in the invalid state, and restoring the volume boot record to the valid state. In this example embodiment, the invalid state prevents a standard operating system from accessing at least a portion of the data segment of the second volume.
摘要翻译：将第一卷的备份还原到物理介质上的第二卷。在一个示例实施例中，用于将第一卷的备份恢复到物理介质上的第二卷的方法包括在卷引导记录处于物理介质上的有效状态时访问第二卷的卷引导记录，修改卷引导记录，以在卷引导记录处于无效状态时将卷引导记录置于物理介质上的无效状态，将数据从第一卷的备份写入第二卷的数据段的不可访问部分，并将卷启动记录恢复到有效状态。在该示例实施例中，无效状态防止标准操作系统访问第二卷的数据段的至少一部分。

4. 发明申请

US20170255526A1 HEADSTART RESTORE OF FIRST VOLUME TO A SECOND VOLUME 审中-公开
公开(公告)号：US20170255526A1
公开(公告)日：2017-09-07
申请号：US15420437
申请日：2017-01-31
申请人： STORAGECRAFT TECHNOLOGY CORPORATION
发明人： Scott Barnes , Nathan S. Bushman
IPC分类号： G06F11/14 , G06F11/10 , G06F3/06
CPC分类号： G06F11/1469 , G06F3/0617 , G06F3/0619 , G06F3/0632 , G06F3/0644 , G06F3/065 , G06F3/067 , G06F11/1004 , G06F11/1451 , G06F11/1464 , G06F11/1466 , G06F17/30079 , G06F2201/84
摘要： Headstart restore of a first volume to a second volume. In one example embodiment, a method for headstart restore of a first volume to a second volume may include invalidating, on disk, a boot segment of a volume boot record of the second volume, storing headstart restore information in the second volume, while the boot segment of the volume boot record of the second volume remains invalidated, writing data from one or more backups of the first volume to a data segment of the second volume, removing the headstart restore information from the second volume, and revalidating, on disk, the boot segment of the volume boot record of the second volume.

5. 发明申请

US20150278034A1 RESTORATION OF A BACKUP OF A FIRST VOLUME TO A SECOND VOLUME ON PHYSICAL MEDIA 有权
标题翻译：第一卷的备份恢复到第二卷的物理媒体
公开(公告)号：US20150278034A1
公开(公告)日：2015-10-01
申请号：US14555348
申请日：2014-11-26
申请人： STORAGECRAFT TECHNOLOGY CORPORATION
发明人： Scott Barnes , Nathan S. Bushman
IPC分类号： G06F11/14
CPC分类号： G06F11/1469 , G06F3/0617 , G06F3/0619 , G06F3/0632 , G06F3/0644 , G06F3/065 , G06F3/067 , G06F11/1004 , G06F11/1451 , G06F11/1464 , G06F11/1466 , G06F17/30079 , G06F2201/84
摘要： Restoration of a backup of a first volume to a second volume on physical media. In one example embodiment, a method for restoration of a backup of a first volume to a second volume on physical media includes accessing a volume boot record of the second volume while the volume boot record is in a valid state on the physical media, modifying the volume boot record to place the volume boot record into an invalid state on the physical media, writing data from the backup of the first volume to the inaccessible portion of the data segment of the second volume while the volume boot record is in the invalid state, and restoring the volume boot record to the valid state. In this example embodiment, the invalid state prevents a standard operating system from accessing at least a portion of the data segment of the second volume.
摘要翻译：将第一卷的备份还原到物理介质上的第二卷。在一个示例实施例中，用于将第一卷的备份恢复到物理介质上的第二卷的方法包括在卷引导记录处于物理介质上的有效状态时访问第二卷的卷引导记录，修改卷引导记录，以在卷引导记录处于无效状态时将卷引导记录置于物理介质上的无效状态，将数据从第一卷的备份写入第二卷的数据段的不可访问部分，并将卷启动记录恢复到有效状态。在该示例实施例中，无效状态防止标准操作系统访问第二卷的数据段的至少一部分。

6. 发明授权

US09003143B1 Hash value comparison during crash-tolerant incremental change tracking between backups of a source storage 有权
标题翻译：源存储备份之间的容错增量更改跟踪期间的哈希值比较
公开(公告)号：US09003143B1
公开(公告)日：2015-04-07
申请号：US14266568
申请日：2014-04-30
申请人： Storagecraft Technology Corporation
发明人： Scott Barnes , Nathan S. Bushman
IPC分类号： G06F12/16 , G06F12/10 , G06F11/30 , G06F11/14
CPC分类号： G06F11/1451 , G06F11/1458 , G06F2201/83
摘要： Hash value comparison during crash-tolerant incremental change tracking between backups of a source storage. In one example embodiment, a method includes assigning each block in a source storage into one of multiple zones, creating a nonvolatile zone map, tracking each of the zones that is changed between a first point in time and a second point in time, identifying, as potentially changed zone blocks, the blocks in the source storage assigned to any zone marked as changed in the nonvolatile zone map, identifying, as potentially outdated backup blocks, the most recently backed-up blocks in one or more prior backups that correspond to the potentially changed zone blocks, calculating source hash values of the potentially changed zone blocks, calculating backup hash values of the potentially outdated backup blocks, and comparing the source hash values to the backup hash values to determine which blocks in the source storage actually changed.
摘要翻译：源存储备份之间的容错增量更改跟踪期间的哈希值比较。在一个示例实施例中，一种方法包括将源存储器中的每个块分配到多个区域中的一个区域，创建非易失性区域映射，跟踪在第一时间点和第二时间点之间改变的每个区域，作为潜在更改的区块，分配给在非易失性区域映射中被标记为改变的任何区域的源存储器中的块，将作为可能过时的备份块的最近备份的块识别为对应于计算潜在更改的区块的源哈希值，计算潜在过时的备份块的备份哈希值，以及将源哈希值与备份散列值进行比较，以确定源存储器中的哪些块实际上已更改。

7. 发明申请

US20170270009A1 HYBRID IMAGE BACKUP OF A SOURCE STORAGE 有权
公开(公告)号：US20170270009A1
公开(公告)日：2017-09-21
申请号：US15284310
申请日：2016-10-03
申请人： STORAGECRAFT TECHNOLOGY CORPORATION
发明人： Nathan S. Bushman , Scott Barnes , Thomas Russell Shreeve
IPC分类号： G06F11/14 , G06F17/30
CPC分类号： G06F11/1453 , G06F3/067 , G06F11/00 , G06F11/1451 , G06F17/30067 , G06F17/30097 , G06F17/30159
摘要： Creating hybrid image backups of a source storage. In one example embodiment, a method for creating one or more hybrid image backups of a source storage may include seeding a deduplication system by storing, in the deduplication system, blocks included in one or more files of one or more operating systems, blocks included in one or more files of one or more software applications, or both, and by storing a hash of each of the seeded blocks in a hash data structure; copying the hash data structure into a solid state drive (SSD); placing the SSD in a read-only state; comparing hashes of allocated blocks stored in the source storage at a first point in time to hashes in the hash data structure to determine whether each of the allocated blocks is in a first set of blocks that are stored in the deduplication system or in a second set of blocks that are not stored in the deduplication system; associating locations of the blocks in the first set of blocks stored in the source storage with locations of the corresponding blocks stored in the deduplication system; storing the blocks in the second set of blocks in an image backup separate from the deduplication system; associating locations of the blocks in the second set of blocks stored in the source storage with locations of the corresponding blocks stored in the image backup; and defining a full hybrid image backup of the source storage at the first point in time as a combination of the first set of blocks stored in the deduplication system and the second set of blocks stored in the image backup.

8. 发明授权

US09501364B1 Hybrid image backup of a source storage 有权
标题翻译：源存储的混合映像备份
公开(公告)号：US09501364B1
公开(公告)日：2016-11-22
申请号：US15074712
申请日：2016-03-18
申请人： STORAGECRAFT TECHNOLOGY CORPORATION
发明人： Nathan S. Bushman , Scott Barnes , Thomas Russell Shreeve
IPC分类号： G06F17/00 , G06F11/14 , G06F17/30 , G06F3/06
CPC分类号： G06F11/1453 , G06F3/067 , G06F11/00 , G06F11/1451 , G06F17/30067 , G06F17/30097 , G06F17/30159
摘要： Creating hybrid image backups of a source storage. In one example embodiment, a method for creating one or more hybrid image backups of a source storage may include comparing hashes of allocated blocks stored in the source storage at a first point in time to hashes of blocks stored in a deduplication system to determine whether each of the allocated blocks is in a first set of blocks that are stored in the deduplication system or in a second set of blocks that are not stored in the deduplication system; associating locations of the blocks in the first set of blocks stored in the source storage with locations of the corresponding blocks stored in the deduplication system; determining whether the deduplication system is in a read-only state or in a writable state; and in response to the deduplication system being in the read-only state: storing the blocks in the second set of blocks in an image backup separate from the deduplication system; associating locations of the blocks in the second set of blocks stored in the source storage with locations of the corresponding blocks stored in the image backup; and defining a full hybrid image backup of the source storage at the first point in time as a combination of the first set of blocks stored in the deduplication system and the second set of blocks stored in the image backup.
摘要翻译：创建源存储的混合映像备份。在一个示例实施例中，用于创建源存储器的一个或多个混合映像备份的方法可以包括将存储在源存储器中的第一时间点的分配块的散列与存储在重复数据删除系统中的块的哈希进行比较，以确定每个被分配的块在被存储在重复数据删除系统中的第一组块中或在不存储在重复数据删除系统中的第二组块中; 将存储在源存储器中的第一组块中的块的位置与存储在重复数据删除系统中的相应块的位置相关联; 确定重复数据消除系统是否处于只读状态或处于可写状态; 并且响应于所述重复数据消除系统处于所述只读状态：将所述块与所述重复数据删除系统分开存储在图像备份中的所述第二组块中; 将存储在源存储器中的第二组块中的块的位置与存储在图像备份中的相应块的位置相关联; 以及在第一时间点定义源存储器的完全混合映像备份，作为存储在重复数据删除系统中的第一组块和存储在映像备份中的第二组块的组合。

9. 发明授权

US08782005B2 Pruning previously-allocated free blocks from a synthetic backup 有权
标题翻译：从合成备份中修剪先前分配的空闲块
公开(公告)号：US08782005B2
公开(公告)日：2014-07-15
申请号：US13712065
申请日：2012-12-12
申请人： Storagecraft Technology Corporation
发明人： Scott Barnes , Maxim Shatskikh , Nathan S. Bushman
IPC分类号： G06F17/30
CPC分类号： G06F17/30138 , G06F11/1451 , G06F11/1453 , G06F11/1458 , G06F2201/815
摘要： Pruning previously-allocated free blocks from a synthetic backup. In one example embodiment, a method of pruning previously-allocated free blocks from a synthetic backup includes identifying multiple sequential backups to be included in a synthetic backup, accessing a copy of a file system block allocation map (FSBAM) of the most recent of the multiple sequential backups that was stored with the most recent backup, identifying a set of blocks that includes the most recent block for each unique block position contained within the multiple sequential backups, pruning the set of blocks to exclude all blocks that are identified as being free in the FSBAM, storing the pruned set of blocks in the synthetic backup, and storing a copy of the FSBAM with the synthetic backup.
摘要翻译：从合成备份中修剪先前分配的空闲块。在一个示例实施例中，从合成备份中修剪先前分配的可用块的方法包括识别要包括在合成备份中的多个顺序备份，访问最近一次的文件系统块分配映射（FSBAM）的副本与最新备份一起存储的多个连续备份，标识包含多个顺序备份中包含的每个唯一块位置的最新块的一组块，修剪块集合以排除所有被标识为空闲的块在FSBAM中，将修剪的块集合存储在合成备份中，并使用合成备份存储FSBAM的副本。

10. 发明授权

US10241873B2 Headstart restore of first volume to a second volume 有权
公开(公告)号：US10241873B2
公开(公告)日：2019-03-26
申请号：US15420437
申请日：2017-01-31
申请人： STORAGECRAFT TECHNOLOGY CORPORATION
发明人： Scott Barnes , Nathan S. Bushman , Maxim Shatskikh
IPC分类号： G06F11/14 , G06F17/30 , G06F3/06 , G06F11/10
摘要： Headstart restore of a first volume to a second volume. In one example embodiment, a method for headstart restore of a first volume to a second volume may include invalidating, on disk, a boot segment of a volume boot record of the second volume, storing headstart restore information in the second volume, while the boot segment of the volume boot record of the second volume remains invalidated, writing data from one or more backups of the first volume to a data segment of the second volume, removing the headstart restore information from the second volume, and revalidating, on disk, the boot segment of the volume boot record of the second volume.

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