LVM is terribly flawed and most imprudent piece of any filesystem that you
can have for snapshot'ing!
The only snapshot-friendly filesystem or volume manager is ZFS.
Whether create a single snapshot or few hundred thousand. It is instant and
no data is lost.
On Thu, Dec 3, 2015 at 12:09 AM, Axel Glienke <axel@xxxxxxxxxx> wrote:
>
> Hello
>
> after a lvm snapshot creation and a reboot are all logical volumes are
> missing, only swap is present.
>
>
> lvcreate -L 5000M -s -n centos_h1-root_snap /dev/mapper/centos_h1-root
>
> lvs
> LV VG Attr LSize Pool Origin Data%
> Meta% Move Log Cpy%Sync Convert
> centos_h1-root_snap centos_h1 swi-a-s--- 4,88g root 0,00
> home centos_h1 -wi-ao---- 15,00g
> root centos_h1 owi-aos--- 20,00g
> swap centos_h1 -wi-ao---- 7,62g
> var centos_h1 -wi-ao---- 1000,00g
>
>
> after reboot no complete start, dracut console is running:
>
> dracut:#
> ls /dev/centos_h1/
> swap
>
> dmsetup info shows swap only, too
>
> I can reproduce this on 2 different Servers and a Virtual Machine have
> same behavior.
>
> What do i wrong?
>
>
>
> Greetings
>
> Axel
>
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