veritas卷管理器(VxVM)是一个存储管理子系统，它允许您以逻辑设备(称为卷)的形式管理物理磁盘。

VERITAS volume Manager (VxVM) is a storage management subsystem that enables you to manage physical disks as logical devices called volumes.

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本文首先介绍了可扩展操作系统的历史背景。然后，分析了可扩展操作系统结构下设计存储管理子系统的三个关键问题：性能、可扩展性和完整性。

Firstly, this paper introduces the history of extensible OS, and then analyses three key issues in memory management under extensible OS, which are performance, extensibility and integrity.

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它们均按对分组，每一对管理其中的一个存储子系统。

These are grouped into pairs, where each pair manages one of the storage subsystems.

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