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双启动 Windows 10 和 Ubuntu 14.04 MBR 和 GPT 分区表问题

tag-icon • tag-icon 14.04 dual-boot windows-10 mbr gpt
双启动 Windows 10 和 Ubuntu 14.04 MBR 和 GPT 分区表问题

我有一个 Windows 10 和 Ubuntu 14.04 双启动系统。我是 Ubuntu 新手，但设法让双启动可靠地运行。我现在正尝试添加 3TB 硬盘并将其分区以供 Ubuntu 使用。当我启动 gparted 时，我收到以下错误：

Libarted Warning: /dev/sdc contains GPT signatures, indicating that it has a
 GPT table.  However, it does not have a valid fake msdos partition table, as it
 should.  Perhaps it was corrupted -- possibly by a program that doesn't
 understand GPT partition tables.  Or perhaps you deleted the GPT table, and are
 now using an msdos partition table.  Is this a GPT partition table?

当我打开终端窗口并为同一驱动器 /dev/sdb 启动 sudo gdisk 时，我得到：

Type device filename, or press <Enter> to exit: /dev/sdb
Partition table scan:
  MBR: MBR only
  BSD: not present
  APM: not present
  GPT: not present


***************************************************************
Found invalid GPT and valid MBR; converting MBR to GPT format
in memory. THIS OPERATION IS POTENTIALLY DESTRUCTIVE! Exit by
typing 'q' if you don't want to convert your MBR partitions
to GPT format!
***************************************************************

我一直在关注“安装 ubuntu 期间出现 GPT 分区表警告消息“但它似乎与我的系统并不完全匹配，到目前为止，我太胆小了，除了放弃之外什么也做不了。我真正想做的就是让新的驱动器上线，这样我就有一些空间开始制作虚拟机，而不会破坏我现有的双启动设置。我从之前的链接中得到了足够的信息，让我担心如果我搞砸了，我会破坏我的 Windows 10 分区。有什么建议吗？

现在我要备份我的 Windows 10 和 Ubuntu 分区。谢谢

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