Re: Booting from 2nd HD with raid1

[Frédéric Dreier <frederic.dreier@uptime.ch>]

Fiodar Bandarenka wrote:

> Hi,
>
> On Thu, Feb 05, 2004 at 02:20:53PM +0100, Fr?d?ric Dreier wrote:
>  
>
> > Hi,
> >
> > I can't make lilo booting from my 2nd HD on my RAID1 installation 
> > (simulating 1st hd failure).. normal booting and booting from 1st HD is ok.
> >
> > lilo hangs after:
> > LILO 2.22 .................................
> >
> >
> > I tried different solutions from howto's and forums.. but I should make 
> > something wrong :-(
> >
> > My pc runs debian stable with 2xSamsung SATA HD, md0[hde1,hdg1] '/boot', 
> > md1[hde6,hdg6] '/'.
> >
> > My first question is : should I really make 2 lilo config? (actually i 
> > tried, without success)
> >
> > Should I turn off lba support? in bios? in lilo?
> >
> > Should I put geometry in lilo? does lba-aware-bios bypass this 
> > parameters? which geometry should I use? (fdisk give two different geom 
> > for both HD, and anotherone is shown in syslog...)
> >
> > Is there a way to 'debug' my lilo config, or should I go further with 
> > try-and-error ?
> >
> > Yeah.. lot of questions... sorry.
> >
> > Thanks for all you hints and help.
> >    
>
> I never worked with RAID and SATA, but can you swap disks on interface?
>
>  
(just a small precision : i do software raid)

swapping both hd produce to the same result: I cannot boot  from hdg. I 
also tried to write first hd mbr, swapping and then writing 2nd hd mbr.. 
it doesn't work :-(