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Re: LVM question: what's the difference between /dev/mapper/vg-lv and /dev/vg/lv



Hi Yudi,

yudi v wrote:
I created a LV and was going to use the following command to create a file system:

mkfs.ext4 /dev/vg/lv

someone suggested I use:

mkfs.ext4 /dev/mapper/vg-lv


What's the difference?

Perhaps nothing, provided it is mapped properly:

# ls -lart /dev/mapper/vg0-root /dev/vg0/root
brw-rw---- 1 root disk 253, 0 2011-06-24 18:56 /dev/mapper/vg0-root
lrwxrwxrwx 1 root root 20 2011-06-24 18:56 /dev/vg0/root -> /dev/mapper/vg0-root

The "non mapper" version links back to the other one ... so, I think it should be essentially the same -- or rather exactly the same.


Cheers

--
Kind Regards
AndrewM

Andrew McGlashan
Broadband Solutions now including VoIP


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