[arch-general] See the llvm volumes from GRUB console - Arch-general - lists.archlinux.org

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[arch-general] See the llvm volumes from GRUB console

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Alfredo Palhares

25 Oct 2011 25 Oct '11

4:06 p.m.

Hello, I upgarded a remote machine recently. And i got loocked out of the system. I still have acess to the machine trough serial console (KVM). Is there any way to list the lvm volumes from there ? Since my /dev/mapper/Root-root doesn't work. -- Regards, Alfredo Palhares

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Nyuszika7H

25 Oct 25 Oct

4:29 p.m.

Hi Alfredo, If you've got a live CD, boot it up and execute the following commands: [root@archiso]# modprobe dm-mod [root@archiso]# vgscan Reading all physical volumes. This may take a while... Found volume group "YourVolGroup" using metadata type lvm2 [root@archiso]# vgchange -ay NUM logical volume(s) in volume group "YourVolGroup" now active [root@archiso]# lvdisplay <useful content for you goes here> It should be possible from a serial console, too, if you can execute /sbin/modprobe and /sbin/lvm from there. Prefix vg- and lv- commands with /sbin/lvm. Yours sincerely, nyuszika7h On Tue, Oct 25, 2011 at 18:06, Alfredo Palhares wrote:

Hello,

I upgarded a remote machine recently. And i got loocked out of the system. I still have acess to the machine trough serial console (KVM). Is there any way to list the lvm volumes from there ? Since my /dev/mapper/Root-root doesn't work.

-- Regards, Alfredo Palhares

Alfredo Palhares

9:11 p.m.

Thank you. On Tue, Oct 25, 2011 at 5:29 PM, Nyuszika7H wrote:

Hi Alfredo,

If you've got a live CD, boot it up and execute the following commands:

[root@archiso]# modprobe dm-mod [root@archiso]# vgscan Reading all physical volumes. This may take a while... Found volume group "YourVolGroup" using metadata type lvm2 [root@archiso]# vgchange -ay NUM logical volume(s) in volume group "YourVolGroup" now active [root@archiso]# lvdisplay <useful content for you goes here>

It should be possible from a serial console, too, if you can execute /sbin/modprobe and /sbin/lvm from there. Prefix vg- and lv- commands with /sbin/lvm.

Yours sincerely, nyuszika7h

On Tue, Oct 25, 2011 at 18:06, Alfredo Palhares
...
wrote:

...
Hello,

I upgarded a remote machine recently. And i got loocked out of the system. I still have acess to the machine trough serial console (KVM). Is there any way to list the lvm volumes from there ? Since my /dev/mapper/Root-root doesn't work.

-- Regards, Alfredo Palhares

-- Cumprimentos, Alfredo Palhares

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