公开(公告)号：US20140157049A1

公开(公告)日：2014-06-05

申请号：US13924666

申请日：2013-06-24

Applicant: Hitachi Data Systems Corporation

Inventor： Alan G. Bryant ,  Kevin S. Grimaldi ,  Trek Palmer ,  David B. Pinkney

IPC: G06F11/14

CPC classification number: G06F11/1464 ,  G06F3/0619 ,  G06F3/065 ,  G06F3/067 ,  G06F11/1425 ,  G06F11/143 ,  G06F11/1435 ,  G06F11/1451 ,  G06F11/1662 ,  G06F11/2094 ,  G06F2201/80 ,  G06F2201/84

Abstract: An “operate with missing region” feature allows a cluster to continue servicing reads for available regions even when some regions are missing. Upon a given node failure condition, the cluster is placed in an effective read-only mode for all regions. The node failure condition typically is one where there has been a failure of an authoritative region copy and no backup copy is then available. Typically, “read-only” means no client write or update requests succeed while the cluster is in this state. Those requests should fail with an error message that indicates failure because of the read-only status. Preferably, such requests are re-tried. In this mode, regions are only allowed to perform read operations but the cluster continues to operate with missing regions, and missing regions are entered on a region map. The cluster then automatically recovers returning missing regions, after which it leaves the read-only state.

Abstract translation: “使用缺少区域”功能允许集群继续为可用区域读取数据，即使某些区域丢失。 在给定的节点故障条件下，将集群置于所有区域的有效只读模式。 节点故障条件通常是权威区域副本失败，然后没有备份副本可用的情况。 通常，“只读”表示在集群处于此状态时，客户端写入或更新请求不会成功。 这些请求应该失败，并显示一条错误消息，指示由于只读状态而导致失败。 优选地，重新尝试这样的请求。 在这种模式下，只允许区域执行读取操作，但是群集继续在缺少的区域中运行，并且在区域映射中输入缺失的区域。 然后，群集会自动恢复返回的缺失区域，之后它离开只读状态。

公开(公告)号：US20160070622A1

公开(公告)日：2016-03-10

申请号：US14930751

申请日：2015-11-03

Applicant: HITACHI DATA SYSTEMS CORPORATION

Inventor： Alan G. Bryant ,  Kevin S. Grimaldi ,  Trek Palmer ,  David B. Pinkney

IPC: G06F11/14 ,  G06F3/06

CPC classification number: G06F11/1464 ,  G06F3/0619 ,  G06F3/065 ,  G06F3/067 ,  G06F11/1425 ,  G06F11/143 ,  G06F11/1435 ,  G06F11/1451 ,  G06F11/1662 ,  G06F11/2094 ,  G06F2201/80 ,  G06F2201/84

Abstract: An “operate with missing region” feature allows a cluster to continue servicing reads for available regions even when some regions are missing. Upon a given node failure condition, the cluster is placed in an effective read-only mode for all regions. The node failure condition typically is one where there has been a failure of an authoritative region copy and no backup copy is then available. Typically, “read-only” means no client write or update requests succeed while the cluster is in this state. Those requests should fail with an error message that indicates failure because of the read-only status. Preferably, such requests are re-tried. In this mode, regions are only allowed to perform read operations but the cluster continues to operate with missing regions, and missing regions are entered on a region map. The cluster then automatically recovers returning missing regions, after which it leaves the read-only state.

公开(公告)号：US09678962B2

公开(公告)日：2017-06-13

申请号：US14299102

申请日：2014-06-09

Applicant: HITACHI DATA SYSTEMS CORPORATION

Inventor： David B. Pinkney ,  Robert J. Primmer ,  Russell A. Neufeld ,  Donald P. Pannese ,  John F. Burnham ,  Lisa Dames ,  Jack A. Orenstein

IPC: G06F17/30 ,  G06F21/60 ,  G06F21/62

CPC classification number: G06F17/3007 ,  G06F17/30082 ,  G06F17/30085 ,  G06F17/30212 ,  G06F21/604 ,  G06F21/6227

Abstract: Content platform management is enhanced by logically partitioning a physical cluster that comprises a redundant array of independent nodes. Using an interface, an administrator defines one or more “tenants” within the archive cluster, wherein a tenant has a set of attributes including, for example, namespaces, administrative accounts, data access accounts, and a permission mask. A namespace is a logical partition of the cluster that serves as a collection of objects typically associated with at least one defined application. Each namespace has a private file system such that access to one namespace (and its associated objects) does not enable a user to access objects in another namespace. A namespace has capabilities (e.g., read, write, delete, purge, and the like) that a namespace administrator can choose to enable or disable for a given data account.

公开(公告)号：US09183096B2

公开(公告)日：2015-11-10

申请号：US13924666

申请日：2013-06-24

Applicant: Hitachi Data Systems Corporation

Inventor： Alan G. Bryant ,  Kevin S. Grimaldi ,  Trek Palmer ,  David B. Pinkney

IPC: G06F17/30 ,  G06F11/14 ,  G06F11/16 ,  G06F11/20

CPC classification number: G06F11/1464 ,  G06F3/0619 ,  G06F3/065 ,  G06F3/067 ,  G06F11/1425 ,  G06F11/143 ,  G06F11/1435 ,  G06F11/1451 ,  G06F11/1662 ,  G06F11/2094 ,  G06F2201/80 ,  G06F2201/84

Abstract: An “operate with missing region” feature allows a cluster to continue servicing reads for available regions even when some regions are missing. Upon a given node failure condition, the cluster is placed in an effective read-only mode for all regions. The node failure condition typically is one where there has been a failure of an authoritative region copy and no backup copy is then available. Typically, “read-only” means no client write or update requests succeed while the cluster is in this state. Those requests should fail with an error message that indicates failure because of the read-only status. Preferably, such requests are re-tried. In this mode, regions are only allowed to perform read operations but the cluster continues to operate with missing regions, and missing regions are entered on a region map. The cluster then automatically recovers returning missing regions, after which it leaves the read-only state.

Abstract translation: “使用缺少区域”功能允许集群继续为可用区域读取数据，即使某些区域丢失。 在给定的节点故障条件下，将集群置于所有区域的有效只读模式。 节点故障条件通常是权威区域副本失败，然后没有备份副本可用的情况。 通常，“只读”表示在集群处于此状态时，客户端写入或更新请求不会成功。 这些请求应该失败，并显示一条错误消息，指示由于只读状态而导致失败。 优选地，重新尝试这样的请求。 在这种模式下，只允许区域执行读取操作，但是群集继续在缺少的区域中运行，并且在区域映射中输入缺失的区域。 然后，群集会自动恢复返回的缺失区域，之后它离开只读状态。

公开(公告)号：US09904605B2

公开(公告)日：2018-02-27

申请号：US14930751

申请日：2015-11-03

Applicant: HITACHI DATA SYSTEMS CORPORATION

Inventor： Alan G. Bryant ,  Kevin S. Grimaldi ,  Trek Palmer ,  David B. Pinkney

IPC: G06F17/30 ,  G06F11/20 ,  G06F11/16 ,  G06F11/14 ,  G06F3/06

CPC classification number: G06F11/1464 ,  G06F3/0619 ,  G06F3/065 ,  G06F3/067 ,  G06F11/1425 ,  G06F11/143 ,  G06F11/1435 ,  G06F11/1451 ,  G06F11/1662 ,  G06F11/2094 ,  G06F2201/80 ,  G06F2201/84

Abstract: An “operate with missing region” feature allows a cluster to continue servicing reads for available regions even when some regions are missing. Upon a given node failure condition, the cluster is placed in an effective read-only mode for all regions. The node failure condition typically is one where there has been a failure of an authoritative region copy and no backup copy is then available. Typically, “read-only” means no client write or update requests succeed while the cluster is in this state. Those requests should fail with an error message that indicates failure because of the read-only status. Preferably, such requests are re-tried. In this mode, regions are only allowed to perform read operations but the cluster continues to operate with missing regions, and missing regions are entered on a region map. The cluster then automatically recovers returning missing regions, after which it leaves the read-only state.

公开(公告)号：US20140289277A1

公开(公告)日：2014-09-25

申请号：US14299102

申请日：2014-06-09

Applicant: HITACHI DATA SYSTEMS CORPORATION

Inventor： David B. Pinkney ,  Robert J. Primmer ,  Russell A. Neufeld ,  Donald P. Pannese ,  John F. Burnham ,  Lisa Dames ,  Jack A. Orenstein

IPC: G06F17/30

CPC classification number: G06F17/3007 ,  G06F17/30082 ,  G06F17/30085 ,  G06F17/30212 ,  G06F21/604 ,  G06F21/6227

Abstract: Content platform management is enhanced by logically partitioning a physical cluster that comprises a redundant array of independent nodes. Using an interface, an administrator defines one or more “tenants” within the archive cluster, wherein a tenant has a set of attributes including, for example, namespaces, administrative accounts, data access accounts, and a permission mask. A namespace is a logical partition of the cluster that serves as a collection of objects typically associated with at least one defined application. Each namespace has a private file system such that access to one namespace (and its associated objects) does not enable a user to access objects in another namespace. A namespace has capabilities (e.g., read, write, delete, purge, and the like) that a namespace administrator can choose to enable or disable for a given data account.

Abstract translation: 通过对包含独立节点冗余阵列的物理集群进行逻辑分区来增强内容平台管理。 使用界面，管理员定义归档集群内的一个或多个“租户”，其中租户具有一组属性，包括例如命名空间，管理帐户，数据访问帐户和权限掩码。 命名空间是集群的逻辑分区，用作通常与至少一个定义的应用程序相关联的对象的集合。 每个命名空间都有一个专用文件系统，以便访问一个命名空间（及其关联的对象）不能使用户访问另一个命名空间中的对象。 名称空间具有命名空间管理员可以选择为给定数据帐户启用或禁用的功能（例如，读取，写入，删除，清除等）。