Data storage system exporting logical volumes as storage objects

A technology of storage system and logical storage volume, which is applied in the direction of storage system, electrical digital data processing, input/output process of data processing, etc., and can solve problems such as inability to create

Active Publication Date: 2014-04-30
VMWARE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, snapshots of entire LUNs or entire FS volumes can be created using data services provided by storage system vendors, but snapshots of individual virtual disks for VMs cannot be created separately from the LUN or file system in which they are stored

Method used

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Examples

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Embodiment Construction

[0043] Figure 2A with Figure 2B is a block diagram of a cluster of storage systems implementing "virtual volumes" according to an embodiment of the invention. A storage system cluster includes one or more storage systems, for example, storage system 130 1 and 130 2 , these storage systems may be disk arrays, each storage system has a plurality of data storage units (DSUs), one of these DSUs is marked as 141 in the figure, and the storage system cluster includes storage system managers 131 and 132, these storage systems The hypervisor controls various operations of the storage system 130 to implement the embodiments of the invention described herein. In one embodiment, two or more storage systems 130 may implement a distributed storage system manager 135 that controls the operation of the cluster of storage systems as if they were a single logical storage system. The operational domain of distributed storage system manager 135 may span storage systems installed in the sam...

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PUM

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Abstract

The storage system exports logical storage volumes that are provisioned as storage objects. These storage objects are accessed on demand by connected computer systems using standard protocols, such as SCSI and NFS, through logical endpoints for the protocol traffic that are configured in the storage system. Logical storage volumes are created from a logical storage container having an address space that maps to storage locations of the physical data storage units. Each of the logical storage volumes so created has an address space that maps to the address space of the logical storage container. A logical storage container may span more than one storage system and logical storage volumes of different customers can be provisioned from the same logical storage container with appropriate security settings.

Description

Background technique [0001] As computer systems scale to the enterprise level, especially in the context of supporting large-scale data centers, the underlying data storage systems often utilize storage area networks (SANs) or network-attached storage devices (NAS). As conventionally well understood, a SAN or NAS offers a number of technical capabilities and operational benefits fundamentally including virtualization of data storage devices, failover with transparent fault tolerance, and failsafe controls. Redundancy of physical equipment, geographically distributed and replicated storage, and centralized oversight and storage configuration management decoupled from client-centric computer system management. [0002] Architecturally, storage devices (eg, disk arrays, etc.) in a SAN storage system are typically connected to network switches (eg, Fiber Channel switches, etc.), which are then connected to servers or "hosts" that "Need to access data in the storage device. Serve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0619G06F3/0631G06F3/067G06F3/0689G06F3/0665G06F12/0292G06F3/0605
Inventor S·阿查亚R·布哈特S·B·瓦哈尼I·索科林斯基C-C·施K·德塞
Owner VMWARE INC
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