RES: Boot disc question

["Estevam Viragh Junior" <estevam.viragh@sitelbrasil.com.br>]

yeah, it might work!
The only reason for solving this issue is to speed up disaster recovery
procedure!

If I have to do it now I would have to install all the things, and after
that, restore a backup!

rgds,
ESTEVAM VIRAGH JUNIOR

> Maybe one more way to do it, especially when you already have installed
> OBSD on a disk on one of the two controllers, but want to do a reinstall
> on multiple disks on both controllers (that's what you want, right? And
> I assume you already did some install since you said it works with the
> generic kernel after boot):
> You can just download the file 'bsd.rd' and put it in '/'. Then, at the
> boot prompt, specify you want to boot that instead of bsd, the regular
> kernel by typing something like "boot hd0a:/bsd.rd"
> That'll boot you up into the install system, with a big kernel. Normally
> both the drivers you need should be in there, so once you've booted it,
> you can just redo the install the way you like, using both controllers.
> More info on this bsd.rd can be found here:
> http://www.openbsd.org/faq/faq4.html#bsd.rd
>
>  - rabbit
>
> ----- Original Message -----
> From: "Estevam Viragh Junior" <estevam.viragh@sitelbrasil.com.br>
> To: <misc@openbsd.org>
> Sent: Tuesday, June 18, 2002 10:14 PM
> Subject: RES: Boot disc question
>
>
> > Thanks for your time, rabbit!
> > > Due to space constraints, each floppy has a different, stripped down
> > > kernel, each with a different set of drivers available.
> > > You can look at their kernel configurations here:
> > > http://www.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/conf/
> > >
> > > As you can see, ahc is enabled in RAMDISK (=floppy A), and disabled
> in
> > > RAMDISKB (=floppy B). With cac, it's the other way around. That
> explains
> > > why they work/don't work depending on which floppy you use.
> > > When you look at RAMDISK_CD, you'll see that both are enabled, since
> > > there's more space on a cd so the kernel can be bigger :)
> > > So if you boot from a cd, they'll both work fine. You can also try
> to
> >
> > yeah. I'll try to buy one.
> >
> > > build you own customized bootfloppy, with a custom kernel (it'll
> have to
> > > be small, so better start from one of the default floppies, enable
> the
> > > driver you need, and throw out what you don't need to free up
> space),
> > > though that's not too easy (I can't tell you exactly how to do it,
> since
> > > I would have to do some research myself :-) )
> >
> > Thanks again! If you get some thing, please let me know.
> >
> > >  - rabbit
> > >
> > > ----- Original Message -----
> > > From: "Estevam Viragh Junior" <estevam.viragh@sitelbrasil.com.br>
> > > To: <misc@openbsd.org>
> > > Sent: Tuesday, June 18, 2002 8:04 PM
> > > Subject: Boot disc question
> > >
> > >
> > > > Hy list,
> > > >
> > > > I'll appreciate some help on the following:
> > > >
> > > > SCENARIO:
> > > >
> > > > I have a server with a Compaq Array Controler 431 and an Adaptec
> Host
> > > > Adapter AHA-2940W.
> > > >
> > > > INFO, (from OBSD site):
> > > >
> > > > - Adaptec AHA-[23]94x[W] cards and some on-board PCI designs using
> the
> > > > AIC7870 and AIC7880 chips. (ahc) (C)
> > > > - Compaq Smart ARRAY RAID controllers (cac), including: (A) (C)
> > > > Compaq Smart Array 221, 3100ES, 3200, 4200, 4250ES, 431
> > > >
> > > > WHAT'S EXPECTED:
> > > >
> > > > If booting with floppyB, it would be able to detect and configure
> both
> > > > controlers.
> > > >
> > > > WHAT HAPPENED:
> > > >
> > > > Bootting with:
> > > > Floppy A - ahc detected and worked fine; OK
> > > > cac detected but not configured.
> > > > (just as expected)
> > > >
> > > > Floppy B - ahc detected but not configured;
> > > > cac detected and worked fine. OK
> > > > (???)
> > > >
> > > > Floppy C - ahc detected but not configured;
> > > > cac detected but not configured.
> > > > (just as expected)
> > > >
> > > > and:
> > > > After the instalation, both controles work fine.
> > > >
> > > > QUESTIONS:
> > > >
> > > > Why ahc didn't work with floppyB ? How to solve that?
> > > > Is that some kind of UKC config ?
> > > > What if I try that with a OBSD 3.1 CD ?
> > > > How to customize a boot disc to make both controlers work?
> > > >
> > > > rgds,
> > > > ESTEVAM VIRAGH JUNIOR
> > > > estevam.viragh@sitelbrasil.com.br