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Commands to determine/change drive UUID's

Use one of these to determine drive UUID's.

vol_id /dev/sdc1
ls -l /dev/disk/by-uuid
blkid /dev/sda1

And use this to change the UUID change uuid of an ext3 partition

uuidgen
tune2fs /dev/hdaX -U numbergeneratedbyuuidgen
verification with
vol_id /dev/hdaX
Change uuid of an ext3 partition

1 comment

Comment from: Alexis Wilke  
Alexis Wilke

Good info! 8-) I was just talking about how to setup a RAID and at some point you have to edit the fstab file which includes those ugly UUID numbers.

For people who like (prefer) to use UUIDs, your info is very useful.

Thank you.
Alexis

12/16/10 @ 07:42 am