[CentOS] Re: Stuck at GRUB

jancio_wodnik at wp.pl jancio_wodnik at wp.pl
Thu Nov 29 07:52:31 UTC 2007

Christopher Chan pisze:
>>>>> grub cannot find its second stage. Are you booting from a mirrored 
>>>>> partition?
>>>> Yes
>>> What could be a solution?  And what could have happen upon the reboot?
>> That is weird.  I just re-installed centos5 and it is now booting 
>> properly.  What could I do to avoid this situation in the future?
> IIRC, RHEL4 does not properly handle installation of grub on mirrored 
> partitions and therefore Centos4 suffers from the same problem.
> RHEL5 does it properly now as you can see. This has been a long 
> outstanding problem of anaconda.
Yeap, this is true. After installing centos4 on RAID1 disk (software 
raid) i always do:

grub>device (hd0) /dev/hdc
grub>root (hd0,0)       
grub>setup (hd0)

where /dev/hdc is second RAID DISK (it could be whatever: /dev/sdb1 etc)

So system is booting form first or second riad1 disk

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