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Full Discussion: How to give UUID to a swap partition?
Operating Systems Linux How to give UUID to a swap partition? Post 302154577 by Santi on Monday 31st of December 2007 09:27:09 AM
Old 12-31-2007
How to give UUID to a swap partition?
Dear Folks

Is there anyway to give a UUID to a swap partition? mkswap on CentOS 5 (util-linux-2.13-0.45.el5_1.1) appears to override this option ;-(

Code:
# swapoff -a
# mkswap -L swap1 /dev/sda3
Setting up swapspace version 1, size = 4293591 kB
LABEL=swap1, no uuid



And there's no UUID for swap partition:

Code:
# ls -l /dev/disk/by-uuid/
total 0
lrwxrwxrwx 1 root root 10 Dec 31 11:01 617b4b90-112e-497a-bc6b-dda2a3e7565e -> ../../sda2
lrwxrwxrwx 1 root root 10 Dec 31 11:01 6ede6345-3ef5-4cb1-9cce-b8583cf263cf -> ../../sda4
lrwxrwxrwx 1 root root 10 Dec 31 11:01 ae703248-438e-46ca-9935-8800fb3c9536 -> ../../sda1

# /lib/udev/vol_id /dev/sda3
ID_FS_USAGE=other
ID_FS_TYPE=swap
ID_FS_VERSION=2
ID_FS_UUID=
ID_FS_LABEL=swap1
ID_FS_LABEL_SAFE=swap1

In previus versions of mkswap, in CentOS 4, I solved this problem re-formating the partition with "mkswap"...

Regards,
 

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