[CentOS] re-install over internet

Tom Brown tom at ng23.net
Mon Jun 15 11:40:38 UTC 2009


> I just got back from a datacenter where I installed a new server running
> CentOS 5.3.  I set up a software raid with md0 being /.  (Only one mount,
> didn't split anything up.)
>
> I just discovered that instead of raid 1, it did raid 0... Not exactly what I
> wanted!  Probably missed that little check when installing.  So now, I need to
> change this.  But since the whole OS is on this raided partition that I want
> to change, I'm a bit stuck.
>
> Is there a way to launch an installer while in the OS that I can re-install
> the whole thing over the internet, without having to physically go to the box?
>  Speed of installation is not that much of an issue.  It would obviously need
> to keep up some sort of shell with my current eth0 settings during the install.
>
>   

install a small boot kernel that drops straight to anaconda and in that 
have ip=xxxx gateway=xxxx ks=http://xxxx/foo.ks

have you install tree available and providing there are no mistakes in 
your ks, test it first!, then a reinstall should happen this time with 
the software raid





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