I can't startup my Fedora 12

[严晶涛]

I login to CentOS,and modify my Fedora's /etc/fstab,then OK.....

2010/1/5 严晶涛 <yanjingtao at innlab.net>

>
>
> 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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