zemerdon.com • SSD7502 clone RAID with dd

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SSD7502 clone RAID with dd

Posted: Wed Aug 13, 2025 3:36 pm

by zemerdon

files used:
ubuntu-22.04.1-desktop-amd64.iso

HighPoint_NVMe_Ubuntu_22.04.1_Server_x86_64_v1.4.7_2022_09_29.tar.gz: (714.91 KiB) Downloaded 13 times

Preparation
burn ubuntu-22.04.1-desktop-amd64.iso to USB
copy and extract HighPoint_NVMe_Ubuntu_22.04.1_Server_x86_64_v1.4.7_2022_09_29.tar.gz onto USB

Preparation notes:
If using another linux distribution you may need to install linux headers. (sudo apt install linux-headers-$(uname -r)
If using another linux distribution you may need to install zfs-dkms if working with zfs, as ubuntu server has this preloaded.

dd clone RAID HDD
Boot ubuntu 22.04.1 USB.

append the following to the ubuntu live boot entry (I had to add i915 because of my second GPU) then F10 to boot.

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modprobe.blacklist=i915,nvme

drop to terminal, login is "ubuntu" no password.

import ZFS for image storage (skip this step if you're using attached storage).

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zpool import -fa

Install drivers for Highpoint RAID

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bash /media/cdrom/hptdd/preinst.sh

check hptblock10n0p shows up with

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lsblk -fs

or

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fdisk -l

clone the RAID drive

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sudo dd if=/dev/hptblock10n0p of=/zfs-raidz3/hptblock10n0p.img bs=4M status=progress

restore dd image to HDD
Boot ubuntu 22.04.1 USB.

append the following to the ubuntu live boot entry (I had to add i915 because of my second GPU) then F10 to boot.

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modprobe.blacklist=i915,nvme

import ZFS for image storage (skip this step if you're using attached storage).

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zpool import -fa

check hptblock10n0p shows up with

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lsblk -fs

or

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fdisk -l

restore the image

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sudo dd if=/zfs-raidz3/hptblock10n0p.img of=/dev/hptblock10n0p bs=4M status=progress

reboot and remove USB when prompted.

once in the GRUB menu, select advanced options and select failsafe.

once in the terminal issue the following command to ensure all VM/LXC boot naturally.

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zpool import -fa

reboot and boot normally.

mount dd image to recover specific data

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losetup --find --show --partscan hptblock10n0p.img

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cat /proc/partitions

 259        6     975872 loop0p1
 259        7   31250432 loop0p2
 259        8  944454656 loop0p3

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mount /dev/loop0p3  /media/cdrom/