[CentOS] mkswap, lvm and bootbits sectors
philippe.naudin at supagro.inra.fr
Thu Mar 15 04:32:25 EDT 2012
Le mer. 14 mars 2012 18:14:31 CET, Peter Kjellström a écrit:
> On Wednesday 14 March 2012 11.50.37 Philippe Naudin wrote:
> > Thanks all for your answers.
> > Actually, my problem concern lvm, not mkswap.
> No, afaict there's nothing wrong with your lvm. The only problem I see is that
> mkswap prints our an incorrect or at least pointless warning.
> I can confirm that mkswap on an lv on one of my test machines also says
> "warning: don't erase bootbits...". It also says this when running against a
> file full of zeroes...
> Regarding fdisks complaints about "doesn't contain a valid partition
> table...", this is normal (and may be considered a bug in the "-l" option, it
> could have excluded lvm-devices from its list...).
> If you want to get to the bottom of this I suspect the easiest way is to look
> at the mkswap source code (under which circumstances it prints that message).
Ahh, perfect, thanks a lot. These bugs^W features of fdisk and mkswap
were absent of CentOS-5 : I was lost, wondering what can be my
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