{SPAM?} Re: [SLUG] {SPAM?} soft RAID1 woes

From: Mario Lombardo (mario@alienscience.com)
Date: Mon Mar 22 2004 - 18:31:46 EST


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RESOLVED
This was the problem. It's been so long since I set up a softRAID (SCSI back
then) that I forgot. Of course it helps to RTFM :)

I don't remember doing the fdisk 0xFD with SCSI, but it seems like I would
have to anyway. I think I added something lame in the rc scripts to get it
to work last time.

It still doesn't use /dev/md0 as the boot partition, but I'm working on that.
I'll post after I'm done. Thanks for the warning about the softRAID root
partition. I'm actually going to split-off various directories later--like a
good geek.

/mario

On Saturday 20 March 2004 17:55, Andrew M. Hoerter wrote:
> On Fri, 19 Mar 2004, Mario Lombardo wrote:
> > [snip summary of MD creation steps]
> > - From there, RAID1 mounting craps out upon bootup.
>
> Okay, so it works when you do things manually; at least the basics should
> be correct then.
>
> Referring back to the software RAID HOWTO that you mentioned, the section
> on autodetection (7.2) might be relevant here. My recollection is that if
> you don't do autodetection, you need some startup script magic to ready
> the md devices before they can be used. So either you need to verify that
> autodetection is working, or start things up manually in your rc scripts.
> Perhaps you could mail a copy of your kernel message buffer during bootup
> so that we can see what the md driver is saying?
>
> Getting a root-on-RAID setup to work has its own pitfalls, I'd recommend
> staying away from that entirely until you get the simpler case working.
>
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