[linux-lvm] mount root filesystem on lvm
Manfred Gschweidl
m.gschweidl at inode.at
Fri May 9 14:19:03 UTC 2003
hello once again,
i used the ls command within the "linuxrc" script of the initial ramdisk.
"ls /dev/mapper/control" results only with "/dev/mapper/control"
"ls /dev/mapper results in following output:
control
...
progs-root
...
so i used "root=/dev/mapper/progs-root" as boot option, but i can still
not mount the root filesystem.
was anyone successfull with booting the root-filesystem on am lvm-volume
with lvm2 and device-mapper interface, using an initial ramdisk??
can anyone point me in the right direction??
thanks for any help in advance.
greetings from austria,
manfred
Manfred Gschweidl wrote:
>
> hello again,
>
> now i solved the problems with "/dev/mapper/control".
>
> it seems, that the kernel now finds all volumegroups, but now i get a
> kernel panic, that the kernel cannot mount my root filesystem within the
> lvm volumes. the message says, that i should append the correct "root="
> boot option on startup??
>
> with kernel 2.4.12 and lvm 1.x it was "/dev/progs/root".
> now i use kernel 2.4.20 with device-mapper and lvm2.
> as with kernel 2.4.12 i use a inital ramdisk.
>
> how can i find out, what now is the correct option for "root="??
>
>
> thanks for any help again.
>
>
> manfred
>
>
>
>
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