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On Wed, Dec 02, 2015 at 08:53:39PM +0100, Axel Glienke wrote: > Creating snapshot: > > [root at 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 at lvmtest ~]# lvs > LV VG Attr...

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

On 12/02/2015 12:05 PM, Axel Glienke wrote: > in journalctl i found: > modprobe: FATAL: Module dm-snapshot not found > ... > Can't process LV root_snap: snapshot target support missing from kernel I installed a very simple CentOS 7 system with an LVM root FS. Created a snapshot and rebooted, no problem. Updated dra...

....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 Zitat von Gordon Messmer <gordon.messmer at gmail.com>: > On 12/02/2015 11:09 AM, Axel Glienke wrote: >> after a lvm snapshot creation and a reboot are all logical volumes >> are missing, only swap is present. > > What release is that? And what does /proc/cmdline contain when the > system boots to the dracut shell? > ______________________________________________...

Hello, i have a little question. My system: ip route: 0.0.0.0/1 via 10.8.0.5 dev tun0 default via 192.168.2.1 dev br0 proto static metric 425 10.8.0.1 via 10.8.0.5 dev tun0 10.8.0.5 dev tun0 proto kernel scope link src 10.8.0.6 88.198.140.127 via 192.168.2.1 dev br0 192.168.2.0/24 dev br0 proto kernel scope link src 192.168.2.101 metric 425 192.168.122.0/24 dev virbr0 proto kernel

On 12/02/2015 11:09 AM, Axel Glienke wrote: > after a lvm snapshot creation and a reboot are all logical volumes are > missing, only swap is present. What release is that? And what does /proc/cmdline contain when the system boots to the dracut shell?

in journalctl i found: modprobe: FATAL: Module dm-snapshot not found ... Can't process LV root_snap: snapshot target support missing from kernel Zitat von Tru Huynh <tru at centos.org>: > On Wed, Dec 02, 2015 at 08:53:39PM +0100, Axel Glienke wrote: >> Creating snapshot: >> >> [root at 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 at lvmtest ~]# lvs >>...

...tos7 installation 2. yum upgrade 3. lvcreate -s ... 4. reboot then i got the error. if i do your way 1. centos7 installtion 2. snapshot & reboot 3. yum upgrade 4. reboot then the system start. Zitat von Gordon Messmer <gordon.messmer at gmail.com>: > On 12/02/2015 12:05 PM, Axel Glienke wrote: >> in journalctl i found: >> modprobe: FATAL: Module dm-snapshot not found >> ... >> Can't process LV root_snap: snapshot target support missing from kernel > > I installed a very simple CentOS 7 system with an LVM root FS. > Created a snapshot and rebo...

On 12/02/2015 02:02 PM, Axel Glienke wrote: > ok, thank you very much Gordon. > > but you know what the difference? > > if i do > 1. centos7 installation > 2. yum upgrade > 3. lvcreate -s ... > 4. reboot > > then i got the error. I'll try to recreate the problem on a new VM, but that doesn't...

...?e Helmut Drodofsky Internet XS Service GmbH He?br?hlstra?e 15 70565 Stuttgart Gesch?ftsf?hrung Dr.-Ing. Roswitha Hahn-Drodofsky HRB 21091 Stuttgart USt.ID: DE190582774 Tel. 0711 781941 0 Fax: 0711 781941 79 Mail: info at internet-xs.de www.internet-xs.de Am 06.12.2015 um 20:26 schrieb Axel Glienke: > Hello, > > i have a little question. > > My system: > > ip route: > 0.0.0.0/1 via 10.8.0.5 dev tun0 > default via 192.168.2.1 dev br0 proto static metric 425 > 10.8.0.1 via 10.8.0.5 dev tun0 > 10.8.0.5 dev tun0 proto kernel scope link src 10.8.0.6 > 88.19...

...lstra?e 15 > 70565 Stuttgart > > Gesch?ftsf?hrung > Dr.-Ing. Roswitha Hahn-Drodofsky > HRB 21091 Stuttgart > USt.ID: DE190582774 > Tel. 0711 781941 0 > Fax: 0711 781941 79 > Mail: info at internet-xs.de > www.internet-xs.de > > Am 06.12.2015 um 20:26 schrieb Axel Glienke: >> Hello, >> >> i have a little question. >> >> My system: >> >> ip route: >> 0.0.0.0/1 via 10.8.0.5 dev tun0 >> default via 192.168.2.1 dev br0 proto static metric 425 >> 10.8.0.1 via 10.8.0.5 dev tun0 >> 10.8.0.5 dev tun0 proto...

Creating snapshot: [root at 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 at 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