From: Les Mikesell Sent: October 10, 2007 16:37 > > Hugh E Cruickshank wrote: > > From: Les Mikesell > >> Hugh E Cruickshank wrote: > >>> From: Les Mikesell Sent: October 7, 2007 18:53 > >>> > >>>> Then reinstall grub on the drive. > >>> Now I have some questions: > >>> > >>> 1. Since the /boot partition was mirrored and will be restored on the > >>> new sda drive I do not really want to do a full grub install. From > >>> what I have read that will overwrite existing /boot/grub/grub.conf > >>> file. So I just want to write the MBR on the drive. How to I do > >>> that (the docs I have found were rather unclear on that aspect)? > >>> > >>> 2. Can a install grub on the replaced boot drive with the system still > >>> running? > >> Yes, after the /boot partition re-sync has completed, execute grub and: > >> > >> root (hd0,0) > >> setup (hd0) > >> quit > >> > >> If you aren't able to keep the system running while doing the swap, you > >> can also do this from the rescue mode boot, but you should have the > >> contents on the /boot partition first. > >> > > > > Sorry to be obtuse here but I just want to make very sure of what I am > > doing before I do it. Will the "setup" command only write the MBR? > > Yes, it will verify that the root partition (grub calls /boot root since > that's all it knows about) looks right, then write the MBR. > Bless you Les. That is just what I was hoping for. Thanks again for all your (and everyone else's) help on this, it has been greatly appreciated. Regards, Hugh -- Hugh E Cruickshank, Forward Software, www.forward-software.com _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos