[CentOS] kickstart raid disk partitioning

Roberto Nunnari roberto.nunnari at supsi.ch
Fri Nov 19 13:10:40 UTC 2010


Roberto Nunnari ha scritto:
> John Hodrien ha scritto:
>> On Fri, 19 Nov 2010, Roberto Nunnari wrote:
>>
>>> Yes, but rsync and cron are there to help.
>> But you're just papering over cracks.
> 
> Yes, in sight of what you say after, I agree.
> 
> 
>>> In any case, I just realized it's not only initramdisk that
>>> has to to understand and use software raid, but even
>>> before that there's grub (or lilo.. anybody out there still use lilo
>>> nodays?).. I suppose even legacy grub can boot from raid partition
>>> otherwise, CentOS4's grub would not even boot.
>> But you can freely mount read-only half of a raid1 set so grub doesn't have to
>> understand RAID.  You have to install grub on both disks, but that's it.
> 
> And this is a great idea.. I didn't know it was even possible to
> mount read-only half of a raid1.

Could you please tell me how to tell grub and initrd to mount read-only 
half of a raid1 set, please?

Thanks.
Robi


> 
> Thank you again!
> Robi
> 
> 
>>> I hope that will give me two drives partitioned in exactly
>>> the same way. This would be to me the greatest gain over
>>> my solution.
>> Yes, you should definitely be able to do that.
>>
>> jh
> 
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