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My computer has an SSD and an internal hard drive. I tried to set things up so that the hard drive would mount automatically on start-up. Unfortunately, something must have gone wrong because I can't mount it at all. I tried to put things back the way they were with the backup copy of fstab that I made before starting, but that didn't help.

When I try to access my hard drive using Files, I get the message:

Unable to access “47862f8f-0d45-4f1e-94f1-bb9ce2b88d23”

mount: /etc/fstab: parse error: ignore entry at line 10.
mount: /dev/sdb2 is already mounted or /mnt/47862f8f-0d45-4f1e-94f1-bb9ce2b88d23 busy
       /dev/sdb2 is already mounted on /
       /dev/sdb2 is already mounted on /mnt/47862f8f-0d45-4f1e-94f1-bb9ce2b88d23

Here are the contents of fstab.

/dev/sda1

UUID=3b0c4420-5c63-4878-be41-357c7c47dd7e /dev/disk/by-uuid/c126cc7a-ab90-46d2-aafb-c26f94a5bcb4 >/home/allan/Documents/ExtraDrive ext4 user,nosuid,nodev,nofail,x-gvfs-show 0 0

/dev/sdb2

UUID=47862f8f-0d45-4f1e-94f1-bb9ce2b88d23 none swap sw 0 0 /dev/disk/by-uuid/47862f8f-0d45-4f1e-94f1-bb9ce2b88d23 /mnt/47862f8f->0d45-4f1e-94f1-bb9ce2b88d23 ext4 user,nosuid,nodev,nofail,x-gvfs-show 0 1

/dev/sdb3

UUID=3b0c4420-5c63-4878-be41-357c7c47dd7e /dev/disk/by-uuid/3b0c4420-5c63-4878-be41-357c7c47dd7e >/home/allan/Documents/ExtraDrive ext4 user,nosuid,nodev,nofail,x-gvfs->show 0 0

Connect to Cabinet //cabinet.usask.ca/work$ /mnt/cabinet cifs username=ajm195,noauto,user 0 0

This is the output of lsblk -f:

NAME FSTYPE LABEL UUID MOUNTPOINT sdb
├─sdb2 ext4 Ubuntu 47862f8f-0d45-4f1e-94f1-bb9ce2b88d23 /mnt/47862f8f-0d45-4f1 ├─sdb3 swap 3b0c4420-5c63-4878-be41-357c7c47dd7e [SWAP] └─sdb1
sr0
sda
└─sda1

Here is the output of df -k:

Filesystem 1K-blocks Used Available Use% Mounted on udev 1961612 0 1961612 0% /dev tmpfs 396648 16552 380096 5% /run /dev/sdb2 111117096 96395236 9054328 92% / tmpfs 1983240 33852 1949388 2% /dev/shm tmpfs 5120 4 5116 1% /run/lock tmpfs 1983240 0 1983240 0% /sys/fs/cgroup cgmfs 100 0 100 0% /run/cgmanager/fs tmpfs 396648 80 396568 1% /run/user/1000

I'm running version 16.04. I would greatly appreciate any help resolving this.

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    What is the contents of /etc/fstab and the outputs of lsblk -f and df -k
    – stumblebee
    Dec 22, 2017 at 17:23
  • lsblk -f requires super-suer privileges, so please prepend it with sudo. Dec 22, 2017 at 19:12
  • Thank you for your help. I've added the contents of fstab and the output from lsblk -f and df -k. Dec 23, 2017 at 20:22
  • I was able to get some in-person help, and the problem is now resolved. Thank you again for your help. Dec 24, 2017 at 1:59

1 Answer 1

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Regarding the error message, your fstab probably contain a duplicate entry for the disk having the UUID 47862f8f-0d45-4f1e-94f1-bb9ce2b88d23, and you would have to edit your /etc/fstab file to correct it.

If you're not sure about how to mount properly you disk, you can have a look at https://help.ubuntu.com/community/Fstab

Posting your /etc/fstab would help confirming this and editing my answer to get it more detailed on how to fix.

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  • Thanks for you help. I've updated my question with the contents of my fstab. Dec 23, 2017 at 20:23
  • @AllanMcPherson Okay I'm starting to figure it out, I would also need the output of blkid to provide an answer
    – FloW
    Dec 27, 2017 at 12:34
  • I was able to get some in-person help, and I have it working again. Thank you again for your help. Dec 28, 2017 at 12:58
  • Good to know it's fixed :) You're welcome
    – FloW
    Dec 28, 2017 at 14:03

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