Re: LVM snapshotting broken?

Rik van Riel
2000-10-27T13:32:52Z

On Fri, 27 Oct 2000, Andrea Arcangeli wrote:

> For some irrelevant reason I always test snapshotting on a LV with minor
> number > 1 and the kernel side definitely works with 2.2.18pre17aa1:
>
> laser:/home/andrea # ls -l /dev/vg1/lv*
> brw-r----- 1 root root 58, 0 Oct 27 2000 /dev/vg1/lv0
> brw-r----- 1 root root 58, 1 Oct 27 2000 /dev/vg1/lv1
> laser:/home/andrea # lvcreate -s -n lv1-snap /dev/vg1/lv1 -L 400M
> lvcreate -- INFO: using default snapshot chunk size of 64 KB
> lvcreate -- doing automatic backup of "vg1"
> lvcreate -- logical volume "/dev/vg1/lv1-snap" successfully created
>
> laser:/home/andrea # lvremove -f /dev/vg1/lv1-snap
> lvremove -- doing automatic backup of volume group "vg1"
> lvremove -- logical volume "/dev/vg1/lv1-snap" successfully removed

Have you checked if the CONTENT of the snapshot is indeed
the right LV and not the other one?

(I get the same "success" messages as what you cut'n'pasted
above, but find that the wrong LV has been snapshotted when
I look at the actual snapshot)

regards,

Rik
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