Re: [CentOS] lvm snapshot

Creating snapshot:

[root@lvmtest ~]# lvcreate -L5G -s -n root_snap /dev/centos/root Reducing COW size 5,00 GiB down to maximum usable size 2,94 GiB. Logical volume "root_snap" created. [root@lvmtest ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert root centos owi-aos--- 2,93g root_snap centos swi-a-s--- 2,94g root 0,00 swap centos -wi-ao---- 1,00g

--- reboot ---

dracut shell (missing /dev/centos/root)

cat proc/cmdline: BOOT_IMAGE=/vmlinuz-3.10.0-229.20.1.el7.x86_64 root=/dev/mapper/centos_root ro rd.lvm.lv=centos/root rd.lvm.lv=centos/swap crashkernel=auto rhgb quiet LANG=de_DE.UTF-8 systemd.debug

ls /dev/mapper: centos-swap control

Grüße

Axel