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I have a HDD from my old openmediavault (based on Debian Jessie) machine with GPT ext4 format. I used it in my new ubuntu machine and try to mount it in fstab but odd things happened. If I mount it by /dev/sdb1, it works. But, if I mount it by UUID, the booting always fails. Anyone had the same problem? Thanks.

My sudo blkid /dev/sdb1 as:

/dev/sdb1: LABEL="HD0103T" UUID="adc291f2-b240-4b85-92af-ab2f7df0b831" TYPE="ext4" PARTUUID="ba0451ca-d562-4a7a-a21e-ca52c1f0e5ae"

and my /etc/fstab mount line as(If I replace the uuid part with "/dev/sdb1", it works):

UUID=adc291f2-b240-4b85-92af-ab2f7df0b831 /media/cwy/HD0103T ext4 defaults 0 2
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    Please update your question with the uuid mount line from /etc/fstab and the output of sudo blkid /dev/sdb1 – Soren A Dec 31 '17 at 10:37
  • It looks totally right. Have you tried to copy the UUID="..." from blkid (including quotation marks) to fstab ? Beside of that I have no ideas. – Soren A Dec 31 '17 at 11:14
  • I will try to copy it. Happy new year ! – Weiyan Cheng Dec 31 '17 at 11:25
  • UUID's must be unique, please check if the same UUID is used for another partition (file-system) with lsblk -f. – mook765 Dec 31 '17 at 11:53
  • I can confirm this one. Fails with UUID and works with device file on LTS 16.04 with 4 TB disk partioned with GPT and ext4 filesystem. Don't know why and didn't find a solution ... – t7bdh3hdhb Jun 26 '18 at 8:49

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