Name of internal hard drive keeps changing

jjnether

1/25/24, 6:17 AM

I have a computer running as a server for Plex media among other things. I store my media on an internal hard drive, and Ubuntu is installed on an SSD.

For some reason the name that Ubuntu assigns to the hard drive keeps changing, and I'm not sure why. Initially it was PLEX, then it changed it to PLEX1, and now it has changed to PLEX2. I wouldn't care too much, except it's screwing up my volume mappings for Docker containers.

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Ubuntu

karel

1/26/24, 12:59 AM

Add a line to /etc/fstab to assign a mount point for the drive on every boot by following the below instructions from How to label disk partition in Linux .

Label disk partition examples

To see the device path of all your hard disk partitions, you can use the fdisk command.

sudo fdisk -l

The blkid command can be used to show the current partition label (if any) and UUID of the disk partition. Simply specify the device path of the partition you wish to see.

$ blkid /dev/sda1
/dev/sda1: UUID="a80ad9d4-90ff-4903-b34d-ca70d82762ed" TYPE="ext4" PARTUUID="75efe5f1-05"

One way to add a label to a disk partition is with the e2label command. Use the below syntax to add a label to any disk partition of your choosing.

sudo e2label /dev/sda1 "MY_BACKUP"

Another way to add a label is with the tune2fs command. The following syntax would be used to add a label to the /dev/sda1 partition.

sudo tune2fs -L "MY_BACKUP" /dev/sda1

The e2label and tune2fs commands will work fine for ext2, ext3 and ext4 formatted partitions. To label a partition that's been formatted as ntfs, you will need to use ntfslabel instead.

sudo ntfslabel /dev/sda1 NTFS_DRIVE

To label a swap partition, you can use the mkswap command with the following syntax.

sudo mkswap -L SWAP_PARTITION /dev/sda1

Mount hard drive partitions by label

Now we are able to refer to /dev/sda1 as MY_BACKUP, after adding that label to the disk partition in an earlier step. To do so edit the /etc/fstab file and add the following line:

LABEL=MY_BACKUP /mount/point           ext4    defaults        0       2

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