I did a little more testing.
root@virt:~# uname -r
3.13.0-32-generic
Actually the hanging seams to happen only when the overlayfs parts are on the
logical volume being the snapshot source.
Let's say /opt is a logical volume in the volume group virt.
Case 1 (hanging):
mkdir /opt/test/
cd
Update:
I tried to find a work around by using aufs.
To make a long story short: There seams to be the same issue.
mkdir /tmp/dir1 /tmp/aufs-root
mount -t aufs -o br=/tmp/dir1:/home/test,xino=/dev/shm/aufs.xino none
/tmp/aufs-root
lvcreate -s -L 5G /dev/virt/opt -n vm_backup
- Hang
dmesg
When I do the steps:
sudo apt-get update
sudo apt-get dist-upgrade
I do not get a new kernel.
Anyway, the Kernel version on the system seams to be more current then the one
mentioned in the post above:
df@feretti-virt:~$ uname -r
3.13.0-29-generic
So either I am missing something or the bug
As mentioned I already tested with a Kernel from 13.10 with the same
result.
To be sure I installed a minimal Ubuntu 13.10 in a virtual machine and did the
steps to reproduce the issue.
- The Problem existed in 13.10 as well.
df@ubuntu-bug-check:~$ cat /etc/issue
Ubuntu 13.10 \n \l
sudo mount -t
Public bug reported:
I am using xbuntu 14.04 LTS in combination with KVM, lxc, logical volumes and
overlayfs.
After I started using overlayfs i realized that my backup based on LVM
snapshots made the system go mad.
As described in the manual I tried the kernel from 13.10 (3.11.0-xx) with the
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