公开(公告)号：US09049217B2

公开(公告)日：2015-06-02

申请号：US13854885

申请日：2013-04-01

Applicant: NetApp, Inc.

Inventor： Prashanth Radhakrishnan ,  Vaibhav Singh

IPC: G06F17/30 ,  H04L29/08

CPC classification number: H04L67/1097

Abstract: A technique is disclosed for providing high availability (HA) capability with a plurality of storage servers, which may be virtual storage servers (VSSs), in a shared-nothing storage environment. The technique uses a proxy mechanism to route requests originating at one storage server to an HA partner storage server, where the proxy is implemented inside a VSS logically below the RAID layer. The technique also involves distributing non-shared storage devices “owned” by a storage server so that existing storage device-based heartbeat and fencing mechanisms can function unmodified for HA VSSs in shared-nothing environments. For example, a third, external host can be used to provide and export its non-shared storage to first and second storage servers, where the first and second storage servers do not own the non-shared storage on their local physical host machine.

Abstract translation: 公开了一种在无共享存储环境中提供具有多个存储服务器（其可以是虚拟存储服务器（VSS））的高可用性（HA）能力的技术。 该技术使用代理机制将源自一个存储服务器的请求路由到HA伙伴存储服务器，其中代理在逻辑上低于RAID层的VSS内实现。 该技术还涉及分配存储服务器“拥有”的非共享存储设备，以便现有的基于存储设备的心跳和防护机制可以在无共享环境中对HA VSS进行未修改的功能。 例如，可以使用第三个外部主机来将其非共享存储提供并导出到第一和第二存储服务器，其中第一和第二存储服务器在其本地物理主机上不拥有非共享存储。

公开(公告)号：US08819339B2

公开(公告)日：2014-08-26

申请号：US14049685

申请日：2013-10-09

Applicant: NetApp, Inc.

Inventor： Prashanth Radhakrishnan ,  Vaibhav Singh

IPC: G06F12/00 ,  G06F3/06

CPC classification number: G06F12/00 ,  G06F3/0614 ,  G06F3/0617 ,  G06F3/0647 ,  G06F3/065 ,  G06F3/067 ,  G06F3/0689 ,  G06F2211/1016

Abstract: A technique is disclosed for non-disruptive migration of data between storage on hosts that do not share storage with each other. Aggregate relocation is enabled to operate between the hosts in the absence of shared storage connectivity. The technique includes mirroring an aggregate from storage of a first host to storage of a second host by using a sub-RAID level proxy in each of the first and second hosts to proxy data communications between the hosts. The proxy is used in lieu of the mirroring application in the first host having direct access to the storage devices of the second host. The technique further includes relocating the aggregate from the first host to the second host.

Abstract translation: 公开了一种技术，用于在不共享存储的主机之间的存储之间进行数据的非中断迁移。 在没有共享存储连接的情况下，可以在主机之间进行总体重定位。 该技术包括通过使用第一和第二主机中的每一个中的子RAID级别代理来代理从主机的存储到第二主机的存储的聚合来代理主机之间的数据通信。 该代理用于代替具有直接访问第二主机的存储设备的第一主机中的镜像应用。 该技术还包括将聚合从第一主机重定位到第二主机。

公开(公告)号：US20140040547A1

公开(公告)日：2014-02-06

申请号：US14049685

申请日：2013-10-09

Applicant: NetApp, Inc.

Inventor： Prashanth Radhakrishnan ,  Vaibhav Singh

IPC: G06F3/06

CPC classification number: G06F12/00 ,  G06F3/0614 ,  G06F3/0617 ,  G06F3/0647 ,  G06F3/065 ,  G06F3/067 ,  G06F3/0689 ,  G06F2211/1016

Abstract: A technique is disclosed for non-disruptive migration of data between storage on hosts that do not share storage with each other. Aggregate relocation is enabled to operate between the hosts in the absence of shared storage connectivity. The technique includes mirroring an aggregate from storage of a first host to storage of a second host by using a sub-RAID level proxy in each of the first and second hosts to proxy data communications between the hosts. The proxy is used in lieu of the mirroring application in the first host having direct access to the storage devices of the second host. The technique further includes relocating the aggregate from the first host to the second host.

Abstract translation: 公开了一种技术，用于在不共享存储的主机之间的存储之间进行数据的非中断迁移。 在没有共享存储连接的情况下，可以在主机之间进行总体重定位。 该技术包括通过使用第一和第二主机中的每一个中的子RAID级别代理来代理从主机的存储到第二主机的存储的聚合来代理主机之间的数据通信。 该代理用于代替具有直接访问第二主机的存储设备的第一主机中的镜像应用。 该技术还包括将聚合从第一主机重定位到第二主机。