2016年7月5日 · Can I use dd, rsync, clonezilla or any tool to clone only space in use in my hard disk in Linux? I need to do a backup from a 1 TB HD (with only 2 GB space in use) into a 500 …

2014年9月10日 · You can use dd to copy a whole partition, which could be only a part of the harddisk. You are asking whether you can use dd to copy part of a partition. It would mean you …

2012年10月17日 · dd can do a lot of things, such as starting after an offset, or stopping after a specific number of blocks. We will do the latter using the count option in dd. The command …

2024年3月18日 · We can easily create a sparse image file using dd by setting its conv option to sparse: $ dd if=/dev/sda of=/mnt/external/sda.img bs=512 conv=sparse The resulting sparse …

2019年3月13日 · From 3.3 GB only 1.9 GB is used and 1.2 GB is an empty space. I want to create an image of this partition. But I want the image to only have the used space i.e. 1.9 GB …

2016年10月21日 · Assuming sda is your 64GB source SD card and sdb is your 32GB destination SD card. You can limit dd to only copy the number of required sectors with: dd if=/dev/sda …

2017年8月22日 · 1.dd命令简介 功能：把指定的输入文件拷贝到指定的输出文件中，并且在拷贝过程中可以进行格式转换。可以用该命令实现DOS下的diskcopy命令的作用。先用dd命令把软盘 …

2013年2月17日 · If you have to mount the source partition for reading while the dd runs, it would be better to mount it read only with the -o ro parameter. if you want to first boot into the source …

2016年3月9日 · You can use dd (or better ddrescue which tries to read data several times before it fails) only on files or similar file-like objects. On UNIX systems, a file-like object can be for …

2018年4月3日 · This means that instead of dd of=/dev/sdx3 you can run dd of=/dev/sdx with proper offset (obs=, seek=), in general taking care you don't write beyond the fragment …