Open Source Software
Run the following command, after reading the notes below:
sfdisk -d /dev/sda | sfdisk /dev/sdb
Notes:
1.
dd, while an excellent tool to back drive / partition images, copies entire hard drive including unused blocks and even bad blocks (where possible).
a. Use gzip
An example command:
dd if=/dev/hda1 bs=1k conv=sync,noerror | gzip -c | ssh -c blowfish user@hostname "dd of=filename.gz bs=1k"
Notes:
1.
Behold the wonders of mdadm:
mdadm --manage /dev/md1 --add /dev/sdb2
Notes:
1.
Sometimes a little code is worth a thousand words, no?
mdadm --manage /dev/md1 --remove /dev/sdb2
Notes:
1.
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