[linux-lvm] vgdisplay - checksum error - what does it mean?
bluca at comedia.it
Fri Feb 16 07:47:38 UTC 2007
On Thu, Feb 15, 2007 at 04:23:33PM +0100, Tomasz Chmielewski wrote:
>Tomasz Chmielewski schrieb:
>>Recently, I used "vgdisplay", and noticed that it gives a "checksum error":
>> /dev/sda2: Checksum error
>>Should I be scared? What does it mean? What should I do about it? I
>>wouldn't like to loose the data.
>>If it helps, my setup looks like that:
>>I'm running 220.127.116.11 kernel.
>So this basically means, that LVM was set up on /dev/sda2 some time ago,
>but it was never removed from there - instead, RAID-10 was set up on
I don't think so. if sda2 is part of a raid10 md array probably the
beginning sector of the md device maps to the beginning sector of the
real device, hence lvm will find an lvm signature on /dev/sda2.
>Should I do something to fix the things? What?
yes, re-enable md_component_detection in lvm.conf, why did you disable
Luca Berra -- bluca at comedia.it
Communication Media & Services S.r.l.
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