Displaying 2 results from an estimated 2 matches for "how_to_debug_dracut_problems".
2013 Mar 23
2
"Can't find root device" with lvm root after moving drive on CentOS 6.3
...device".
I read some docs, and first tried to boot from a rescue disc and
reinstal GRUB, but that didn't change anything. Further Googling got me
the rdshell kernel parameter, and that dropped me to a shell when it
failed to find the root device.
Reading https://fedoraproject.org/wiki/How_to_debug_Dracut_problems , I
did the following:
# lvm vgscan
# lvm vgchange -ay
And then
# ln -s /dev/mapper/<volumegroup>-<root_volume> /dev/root
# exit
After this, the box boots up normally, and everything works as it
should. However, when I reboot, it again fails to find the root device.
So, after all...
2011 Jan 08
4
LiveCD System recovery - Mounting LVM?
Hi,
I am trying to recover data from my old system which had LVM. The disk had
two partitions - /dev/sda1 (boot, Linux) and /dev/sda2 (Linux LVM). I had
taken a backup of both partitions using dd.
Now I am booting of CentOS live cd for system restore. I recreated
partitions like previous system using fdisk and then used dd to dump all the
data onto it. I would like to mount sda2 as LVM, but I