Thank you all the same 2010/1/5 严晶涛 <yanjing...@innlab.net>
> I login to CentOS,and modify my Fedora's /etc/fstab,then OK..... > > 2010/1/5 严晶涛 <yanjing...@innlab.net> > > >> >> 2010/1/5 Joel Rees <joel.r...@gmail.com> >> >> >>> 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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