0
votes
1answer
47 views

dd command piped over gzip and ssh faster and faster as dd progresses

I am running the following command to copy a LVM from one host to another: dd if=/dev/vg_1/lv1 conv=noerror,sync bs=4M | gzip | ssh user@ip 'gzip -d | dd of=/dev/vg_2/lv1 bs=4M' To begin with I was ...
1
vote
2answers
256 views

Disk cloning using dd thru gzip - how effective is it? [closed]

Is gzip or gzip -9 for a disk clone worth the extra time that it takes to perform the compression? Does it yield a significant saving? There is very little information on how effective piping data ...
2
votes
4answers
3k views

Break up a dd image into multiple files

I'm doing some data recovery from a hard disk. The disk has about 300GB of data on it, but I lack another hard drive that has 300GB of free space. I have three HDs, with 150, 40, and 120 GB free. ...