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LVM2 snapshot: "conflicting device found"
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Robert S
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Joined: 15 Aug 2004
Posts: 443
Location: Canberra Australia

PostPosted: Sat Mar 23, 2019 10:39 pm    Post subject: LVM2 snapshot: "conflicting device found" Reply with quote

I back up my home LV every night starting with this command:
Quote:
lvcreate -L2G -s -n homebackup /dev/lvm/home
[mount external disk; backup commands; etc]

I have started getting this message in my logs:
Quote:
kernel: systemd-udevd[7895]: conflicting device node '/dev/mapper/lvm-home' found, link to '/dev/dm-4' will not be created

The files on my home LV are backed up correctly. Is this error message harmless and can it be ignored? Is my snapshot command incorrect (I didn't get the error message in the past).
I use lvm2-2.02.145-r2 and kernel 4.19.27-gentoo-r1
TIA.
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