Re: "Can't find root device" with lvm root after moving drive on CentOS 6.3

[Patrick Flaherty <pflaherty@xxxxxxx>]

On Tue, Mar 26, 2013 at 1:35 AM, Joakim Ziegler <joakim@xxxxxxxxxxxxxx> wrote:
> Yes, I ran that immediately after getting dropped to the shell. I can
> take a look at the device nodes tomorrow, but if I remember correctly,
> /dev/mapper contained only the file "control" before running vgchange
> -ay, that is, there was no "vg_resolve02-lv_root" device there. That
> device only shows up after I run vgchange -ay.
>
> I did not check whether /dev/vg_resolve02 exists, I can do that tomorrow.
>
> --
> Joakim Ziegler  -  Supervisor de postproducción  -  Terminal
> joakim@xxxxxxxxxxxxxx   -   044 55 2971 8514   -   5264 0864
>
> On 25/03/13 23:26, Gordon Messmer wrote:
>> On 03/25/2013 06:35 PM, Joakim Ziegler wrote:
>>> That's the output of, like you suggested:
>>
>> And you ran that before you ran "vgchange -a y"?  That doesn't make any
>> sense.  The commands show the volume group active.  I can't see any
>> reason why the system wouldn't boot.
>>
>> I hate for you to keep rebooting your server, but do the device nodes
>> look correct in both /dev/mapper and /dev/vg_resolve02 at that point?


Apologies if someone mentioned this already ( don't have the whole
thread in my mailbox), but whenever I've had to re-name a root lvm
volume, I also had to recreate initrd. I haven't done it on 6.X, but I
assume it applies to initramfs as well. The notes in my corp wiki link
back to this redhat bugzilla post,
https://bugzilla.redhat.com/show_bug.cgi?id=230190 try that maybe?

Patrick
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