In order to help you you have to share with us your definition of "better speed".
In order to calculate expected speed (rough) you need to know 1. What is the raw performance of your block devices (hard disks in your case?) 2. The size of the data you need to transfer
So if your partitions get X1 and X2 mb/s and there is Y mb to copy and the two partitions are not on the same physical device, you should expect the copy yo be done in y / min(X1, X2) seconds. Again - this is a rough estimate, just some reference point so we can give meaning to the words "better speed"
How slower than that estimate are the results you are getting?
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我认为最简单的方法是使用 Linux Live Distribution 或 Linux Rescue Disk。
在终端中启动后，您必须键入（如果“/dev/hda1”是源分区，“/dev/hdb1”是目标分区）：
对于某些救援发行版，您还可以使用“dd_rescue”代替“dd” 。
小心使用正确的设备！除此之外，它的效果非常好！
维尔纳
I think the easiest way is to use a Linux Live Distribution or a Linux Rescue Disk.
After the start in a terminal you have to type (if "/dev/hda1" is the source partition and "/dev/hdb1" is the destination):
Instead of "dd" with some rescue distributions you can also use "dd_rescue".
Be careful to use the right devices! Apart of this it works very well!
Werner
为了帮助您，您必须与我们分享您对“更好的速度”的定义。
为了计算预期速度（粗略），您需要知道
1. 您的块设备（您的情况下是硬盘？）的原始性能是多少？
2. 您需要传输的数据大小
因此，如果您的分区达到 X1 和 X2 mb/s，并且有 Y mb 需要复制，并且这两个分区不在同一物理设备上，则您应该期望复制完成y / 分钟（X1，X2）秒。 再说一次 - 这是一个粗略的估计，只是一些参考点，以便我们可以赋予“更好的速度”一词的含义，
您得到的结果比该估计慢多少？
In order to help you you have to share with us your definition of "better speed".
In order to calculate expected speed (rough) you need to know
1. What is the raw performance of your block devices (hard disks in your case?)
2. The size of the data you need to transfer
So if your partitions get X1 and X2 mb/s and there is Y mb to copy and the two partitions are not on the same physical device, you should expect the copy yo be done in y / min(X1, X2) seconds. Again - this is a rough estimate, just some reference point so we can give meaning to the words "better speed"
How slower than that estimate are the results you are getting?