Re: Centos5: RAID1 on root/boot? [+lilo mkinitrd issues]

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On Sun, 2007-04-22 at 21:40 +0300, Pekka Savola wrote:
> Hi,
> 
> I did a command-line upgrade of a RHL73 server to Centos 5.  It was a 
> bit rocky road, but in the end it was successful.
> 
> There's one thing that bugged me.  I'm using software RAID1 consisting 
> of /dev/hd{a,c}.  No LVM or anything fancy, a number of /dev/mdX 
> partitions, including the root (+/boot).
> 
> I'd have preferred to continue using lilo as it works more easily with 
> RAID1 root/boot setups.  The deployment guide for Centos5 claims to 
> support RAID1 boot partitions (RHEL4 didn't, and provided a pointer a 
> site in UK which no longer works for more info), it's not clear how 
> exactly a redundant boot block configuraton is achieved with that -- 
> so that if you remove the primary drive, it'll still boot.
> 
> Anyone have pointers for this?
> 
> [I've gone through a number of sites with various hacks how to install 
> grub on both disks, but I'm not quite sure which ones are valid, and 
> whether those are needed anymore]

This has been touched on several times in the CentOS mailings. Did you
also search CentOS? If not, ISTR that there are answers there. For grub,
of course.
<snip>

HTH
--
Bill

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