linux_wiki:configure_systems_to_mount_file_systems_at_boot_by_universally_unique_id_uuid_or_label [Owlbear Consulting

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====== Configure Systems To Mount File Systems At Boot By Universally Unique Id Uuid Or Label ======

**General Information**

Mounting devices by UUID prevents file systems becoming unavailable due to a device re-number. 

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===== UUID =====

Display Labels and UUIDs for devices
<code bash>
blkid
</code>

\\
Mount /dev/sdb1 via UUID
<code bash>
vim /etc/fstab

UUID=76548596-804f-49a4-bd6c-6df1a98e117f  /mnt/storage1  xfs  defaults  0 2
</code>

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===== Labels =====

Create label on a XFS filesystem
<code bash>
xfs_admin -L storage1 /dev/sdb1
</code>

\\
Display label on a XFS filesystem
<code bash>
xfs_admin -l /dev/sdb1
</code>

\\
Create label on an ext2/3/4 filesystem
<code bash>
tune2fs -L storage2 /dev/sdb2
</code>

\\
Display label on ext2/3/4 filesystem
<code bash>
tune2fs -l /dev/sdb2
</code>

\\
Mount /dev/sdb2 via label
<code bash>
vim /etc/fstab

LABEL=storage2  /mnt/storage2  ext4  defaults  0 2
</code>

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