I can't startup my Fedora 12

[严晶涛]

2010/1/5 Joel Rees <joel.rees at 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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