[CentOS] mdadm raid 1 question

Andrew Halls (Subscript) ajhalls at halls.id.au
Fri Jun 9 02:43:25 UTC 2006


On Friday 09 June 2006 11:46, Jim Perrin wrote:
> On 6/8/06, William Warren <hescominsoon at emmanuelcomputerconsulting.com> 
wrote:
> > Does Centos 4.2 have the grub issue where the boot loader does not get
> > installed onto both hard disks in a software Raid 1 environment?
>
> Yes.
>
> > if so does 4.3 solve that issue?
>
> No. You should still keep disk one around to (re)install grub if you
> run into issues. Some people claim it works, some claim it doesn't.
>
> > --
> > My "Foundation" verse:
> > Isa 54:17  No weapon that is formed against thee shall prosper; and
> > every tongue that shall rise against thee in judgment thou shalt
> > condemn. This is the heritage of the servants of the LORD, and their
> > righteousness is of me, saith the LORD.
> >
> > -- carpe ductum -- "Grab the tape"
> > CDTT (Certified Duct Tape Technician)
> >
> > Linux user #322099
> > Machines:
> > 206822
> > 256638
> > 276825
> > http://counter.li.org/
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Hi Guys
	You need to install GRUB to the MBR of both disks in the Raid 1 environment.
	see URL http://www.linuxsa.org.au/mailing-list/2003-07/1270.html for details 
on how to do this.

	I have a FC3/FC4 system configured this way with no problems and you need a 
modern BIOS to proper use of it. (On commercial NIX's I think this part is 
still manual).

Andy H



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