Hyper-v 2012 R2 VSS更改 [英] Hyper-v 2012 R2 VSS changes

问题描述

当我在Windows Server 2012 R2 Hyper-V上运行vshadow时，我看到列出了两个用于备份的新文件。一个是{GUID} -BackupSnapshot.xml，另一个是< VHDFilename> -AutoRecovery.avhdx。我没有看到任何关于这些文件是什么以及为什么这些文件属于备份
以及它在备份和恢复期间扮演什么角色的文档。任何commens或指向文档的链接都会有所帮助。

When I run vshadow on Windows Server 2012 R2 Hyper-V, I see two new files listed for backup. One is {GUID}-BackupSnapshot.xml and another <VHDFilename>-AutoRecovery.avhdx. I don't see any documentation about what and why are these files part of backup and what roles does it play during backup as well as restore. Any commetns or link to docs would be helpful.

此外，2012 R2 Hyper-V的备份还需要哪个版本的DPM。

Also what version of DPM is required for backup of 2012 R2 Hyper-V.

推荐答案

2012 R2 Hyper-V备份的主要变化是它现在依赖于快照。备份启动时，将创建快照，并将所有写入IO重定向到此avhdx。备份完成后，合并快照。

The major change in 2012 R2 Hyper-V backup is that it now is relying on Snapshots. When the backup start a snapshot will be created and all write IO redirected to this avhdx. After the backup is completed the snapshot is merged.

有关详细信息，请查看此文
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For more details check this article

http://flemmingriis.com/changes-in-hyper-v-backup-in-2012-r2 /

http://flemmingriis.com/changes-in-hyper-v-backup-in-2012-r2/

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