How to clone ext4 partitions?

V

Vitaly Gusev2020-09-23 10:38:10

linux

Vitaly Gusev, 2020-09-23 10:38:10

Good day!

Two new RAID arrays have been added to the server on new fast disks. You need to transfer data from one to another and remount so that the partitions are named the same in the system. How to do it better using Linux, so as not to bother with acronis?
The migration should happen like this:

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Armenian Radio, 2020-09-23
@guvijur

#отмонтировать диски
umount /dev/sdb1 
umount /dev/sdc1
#посекторно перенести барахло
dd if=/dev/sdb of=/dev/sdd bs=4M status=progress
dd if=/dev/sdc of=/dev/sde bs=4M status=progress