2010/1/5 Joel Rees <[email protected]> > > On Jan 5, 2010, at 2:18 AM, 严晶涛 wrote: > > I have only install Fedora 12. >> My partition is >> /boot 200M >> LVM 290G >> >> LVM: >> fedora 20G >> other 10G >> opt 60G >> home 200G >> swap 3G >> >> fedora is Fedora 12's / >> opt is /opt >> home is /home >> >> All the filesystem is ext4 >> > > Do you mean, including /boot ? > Yes,/boot is ext4 too
> > My memory is that ext4 /boot is still not officially supported. > > Did you reboot once, just to check? > > > Then I want to install CentOS in other,I backup /boot and format /boot to >> ext3(because CentOS 5.4 doesn't support ext4) and copy backup to /boot >> Install CentOS to other,and format other to ext3. >> > > Where is Cent's /boot? > /boot too,I want Fedora and CentOS share the /boot > > What happens to F12's /boot that you attempted to restore? > > copy to /boot > > When I have installed CentOS,I can login CentOS,but when I choose Fedora >> 12,my system will stop in fsck,and I can't startup it... >> > > Has Cent OS's /boot by any chance overwritten F12's /boot? That's kind of > what I'm expecting happened. > > I think what you wanted to do was set the host (MSDOS) disk label as > > /boot 200M: ext3 (I would name it "Fboot" or something in diskdruid, to > make it easier to remember.) > other 10G: ext3 (I like 40G or so, to play in, and I would probably name it > "cent" or "otherOS") > LVM 280: LVM > > In other words, make the entire Cent OS file system a single MSDOS level > partition. > > Hmm. I just checked the current partitioning instructions. I think I'd > better go raise a fuss or two. Anyway, the above should work, and allow you > to do something like what you are trying to do. > > Recognize that, in the above, all of cent's file system, including "/" and > " /boot", would reside in the "other" partition. > > (I'm not sure about the LVM interactions, or I'd suggest something like > separate "Fboot" and "Cboot" MSDOS-level partitions for Fedora's /boot, and > Cent OS's /boot, respectively.) > I have found my Fedora's /etc/fstab is wrong,because /boot is now ext3,but in fstab is ext4,and UUID is wrong either. when I startup Fedora,I will login to (Repaird System)#,but I can't change anything in it.....
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