公开(公告)号：US20170160979A1

公开(公告)日：2017-06-08

申请号：US15154605

申请日：2016-05-13

Applicant: PLEXISTOR, LTD.

Inventor： Amit Golander ,  Yigal Korman ,  Boaz Harrosh

IPC: G06F3/06 ,  G06F12/10 ,  G06F12/12

CPC classification number: G06F3/0641 ,  G06F3/0608 ,  G06F3/0619 ,  G06F3/065 ,  G06F3/068 ,  G06F12/0292 ,  G06F12/063 ,  G06F12/0866 ,  G06F12/1009 ,  G06F12/1475 ,  G06F2212/1032 ,  G06F2212/1052

Abstract: Method, system and product for direct access to de-duplicated data units in memory-based file systems. The method comprising: updating a page entry in a page table of a process to include a direct access pointer to a de-duplicated data unit retained by the memory-based file system, wherein the page entry is set to be write protected; detecting a page fault occurring due to the process performing a store instruction to the de-duplicated data unit; and in response to said detecting: allocating a new data unit; copying content of the de-duplicated data unit to the new data unit; and replacing the direct access pointer to the de-duplicated data unit with a direct access pointer to the new data unit.

公开(公告)号：US20170104820A1

公开(公告)日：2017-04-13

申请号：US14880293

申请日：2015-10-12

Applicant: PLEXISTOR LTD.

Inventor： AMIT GOLANDER ,  YIGAL KORMAN

IPC: H04L29/08

CPC classification number: H04L67/1095 ,  H04L67/1097

Abstract: A method and system for logical mirroring between nodes includes maintaining a log of a state modifying operation received at a memory-based file system of an initiator node; writing attributes of the state modifying operation from the memory-based file system to a target node memory, and using the written attributes to process the state modifying operation at the target node according to the order represented by the log, to obtain logical mirroring between the initiator node and the target node.

公开(公告)号：US20150378628A1

公开(公告)日：2015-12-31

申请号：US14753052

申请日：2015-06-29

Applicant: PLEXISTOR LTD.

Inventor： AMIT GOLANDER ,  SAGI MANOLE

IPC: G06F3/06

CPC classification number: G06F3/0607 ,  G06F3/0647 ,  G06F3/0685

Abstract: A method and system for compute element state replication is provided. The method includes transforming at least a subset of metadata of a source compute element from a memory tier of the source compute element to a block representation; within a destination compute element, mounting the block representation; reverse transforming the metadata to a memory tier of the destination compute element; and using the reverse transformed metadata to operate the destination compute element.

Abstract translation: 提供了一种计算元件状态复制的方法和系统。 该方法包括将源计算元素的元数据的至少一部分从源计算元件的存储器层转换为块表示; 在目的地计算单元内，安装块表示; 将元数据逆向转换为目标计算元件的存储器层; 并使用反向转换的元数据来操作目标计算元素。

公开(公告)号：US20150356125A1

公开(公告)日：2015-12-10

申请号：US14658264

申请日：2015-03-16

Applicant: PLEXISTOR LTD.

Inventor： AMIT GOLANDER ,  BOAZ HARROSH ,  OMER ZILBERBERG

IPC: G06F17/30

CPC classification number: G06F16/219 ,  G06F16/122 ,  G06F16/1805

Abstract: Data placement in a memory-based file system by copying a user data unit from a second storage type device to a first storage type device based on an access request to the file system, the first storage type device being a faster access device than the second storage type device, referencing the user data unit in the first storage type device by a byte addressable memory pointer, and using the byte addressable memory pointer to copy the user data unit from the first storage type device to the second storage type device based on data access pattern.

Abstract translation: 通过基于对文件系统的访问请求将用户数据单元从第二存储类型设备复制到第一存储类型设备，将数据放置在基于存储器的文件系统中，第一存储类型设备是比第二存储类型设备更快的访问设备 存储型设备，通过字节可寻址存储器指针参考第一存储类型设备中的用户数据单元，并且使用字节可寻址存储器指针将用户数据单元从第一存储类型设备基于数据复制到第二存储类型设备 访问模式

公开(公告)号：US20150249618A1

公开(公告)日：2015-09-03

申请号：US14635236

申请日：2015-03-02

Applicant: Plexistor Ltd.

Inventor： Amit GOLANDER

IPC: H04L12/911 ,  H04L29/08

CPC classification number: G06F17/30312 ,  G06F17/30194 ,  G06F17/30221 ,  G06F17/30477 ,  H04L47/70 ,  H04L67/104 ,  H04L67/1097

Abstract: A method of negotiating memory record ownership between network nodes, comprising: storing in a memory of a first network node a subset of a plurality of memory records and one of a plurality of file system segments of a file system mapping the memory records; receiving a request from a second network node to access a memory record of the memory records subset; identifying the memory record by using the file system segment; deciding, by a placement algorithm, whether to relocate the memory record, from the memory records subset to a second subset of the plurality of memory records stored in a memory of the second network node; when a relocation is not decided, providing remote access of the memory record via a network to the second network node; and when a relocation is decided, relocating the memory record via the network for management by the second network node.

Abstract translation: 一种在网络节点之间协商存储器记录所有权的方法，包括：在第一网络节点的存储器中存储多个存储器记录的子集，以及映射存储器记录的文件系统的多个文件系统段中的一个; 接收来自第二网络节点的访问所述存储器记录子集的存储器记录的请求; 通过使用文件系统段识别内存记录; 通过布局算法来决定是否将存储器记录从存储器记录子集重定位到存储在第二网络节点的存储器中的多个存储器记录的第二子集; 当重定位未被决定时，经由网络向第二网络节点提供存储器记录的远程访问; 并且当重新定位时，经由网络重新定位存储器记录以由第二网络节点进行管理。