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I've searched far and wide for an answer on this but couldn't find a clear answer, hoping I can get something here - so I ran some dd commands to copy data from one device to another within a CentOS Live CD environment. I copied both a boot and root partition to the new device. But whenever I try to boot from the new device, I get a 'No device found' error along with a UUID that's trying to find. I then booted from the live CD again to see who the UUID belonged to and found that it belongs to the live CD partition that's on /dev/dm-0. My systems is a VMware guest, and I've ensured that I've disconnected all CD rom connections, and made sure to boot from the hard disk, but no dice. I've even checked grub.cfg and don't see a reference for that UUID. Any idea on where the Live CD UUID would be referenced during boot?

Thanks in advance for any advice.

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  • Have you changed /etc/fstab? – Mansoor Ahmed Memon Dec 11 '20 at 7:21
  • thanks for the reply - yes, I checked /etc/fstab, and it has the correct UUID of the both my boot and root directories. I may just go into rescue mode and retry to installl grub2 again.... – jcwp Dec 11 '20 at 14:40

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