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如何检查Windows虚拟机中动态磁盘的文件系统对齐情况

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适用场景

Windows虚拟机

问题描述

mbrscan或通常用于检查错位I/O的任何其他Windows实用程序(包括msinfo32、diskpart和wmic)无法可靠地报告Windows动态磁盘的起始分区偏移。

准确评估Windows动态磁盘对齐情况的唯一方法是使用Windows支持工具 dmdiag.exe。该工具作为Windows Server 2003支持工具的一部分提供。有关更新版本、请参见 http://support.microsoft.com/kb/941602

有关使用dmdiag的追加信息、请参见Microsoft TechNet文章- 适用于SQL Server的磁盘分区对齐最佳实践

 

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