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 mistakes. Thanks again, -- Philippe Naudin