英文:
Is the OS and dependencies stored on ebs root volumes?
问题
我想从过去的快照中恢复 Windows EC2 实例的根卷。但最近在该实例上进行了一个补丁。所以我想知道更新是否会丢失，即整个操作系统是否也存储在 EBS 上，实例将被还原到 Windows 补丁之前的时间。
看起来它会存储所有安装的应用程序和文件。我尝试在谷歌上搜索，但无法理解存储的范围。在此先感谢您的帮助！
英文:
I wanted to restore a windows ec2 instance's root volume from a snapshot in the past. But there was recently a patch done on that instance. So I wonder if the updates will be gone, i.e. if the entire os is stored on ebs as well and the instance will be reverted to the time before the windows patch.
Looks like it would store all the applications installed and files on there. I tried googling around, but can't understand the boundary of what's stored. Thanks in advance for the help!
答案1
得分: 2
一个Amazon EBS快照是整个磁盘卷的复制。
当快照被恢复到新的EBS卷时，磁盘将包含与快照时原始磁盘完全相同的数据。
Amazon EBS服务不了解所使用的操作系统。它只是充当块存储设备。
英文:
An Amazon EBS Snapshot is a copy of the entire disk volume.
When a Snapshot is restored to a new EBS Volume, the disk will contain exactly the same data as the original disk at the time of the Snapshot.
The Amazon EBS service doesn't have any knowledge of the operating system being used. It's just acting as a block storage device.
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