Quickest way to move multiple nodes to new disks

[Alexey]

Use the LVM’s pvmove or zfs send and zfs receive. Or dd.
See the example for LVM:

Best Practice for Transferring Data To New Drive

It’s not difficult, but requires to read a documentation. I would emulate this on loop devices Create images for the disks $ truncate -s 1G disk1.raw $ truncate -s 1G disk2.raw Create loop devices to emulate disks $ sudo losetup -f disk1.raw $ sudo losetup -f disk2.raw find which one loop devices has been created $ losetup | grep disk /dev/loop6 0 0 0 0 /home/ubuntu/disk1.raw 0 512 /dev/loop7 0 0 0 0 /home/ubuntu/disk2.ra…